LINEAR GUIDEWAY

PRECISION MOTION INDUSTRIES, INC. Linear Guideway Division No.7, Lane 893, Chung Shan Rd., Shen Kang Hsiang, Taichung Hsien 429, Taiwan TEL: +886-4-25613141 FAX: +886-4-25613086 E-mail: [email protected] Web site: www.pmi-amt.com GET/MD01/04.05 C AMT-2004

Content 1. The Characteristics of AMT Linear Guideways . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 1 2. The Procedure of Select Linear Guideway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 2 3. Load Rating and Service Life of Linear Guideway. . . . . . . . . . . . . . . . . . . . . . . . . 0 3 3.1 Basic Static Load Rating (C0)

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3.2 Static Permissible Moment (M0) 3.3 Static Safety Factor (fs)

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3.4 Basic Dynamic Load Rating (C) 3.5 Calculation of Nominal Life (L)

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3.6 Calculation of Service Life in Time (Lh) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 5 4. Friction Coefficient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 6 5. Calculation of Working Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 7

6. Calculation of the Equivalent Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 7. The Calculation of the Mean Load . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 0 8. Calculation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 2 9. Installation Direction of Linear Guideway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 6 10. Fixing Methods of Linear Guideway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 7 11. Installation of Linear Guideway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 7 11.1 Installation of Linear Guideway When Machine Subjected to Vibration and Impact 11.2 Installation of Linear Guideway without Push Screws

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11.3 The Installation of Carriage of Linear Guideway without the Reference Side for Master Rail . . 2 0 11.4 Accuracy Measurement after Installation

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............................22 12. Marking on Master Linear Guideway and Combined Case . . . . . . . . . . . . . . . . . 2 2 11.5 The Recommended Tightening Torque for Rails

12.1 Recognizing of Reference Side . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2 12.2 Recognizing of Master Rail

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12.3 Combined Use of Rail and Carriage

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...............................................23 13. The Relationship between the Direction of Lubrication and the Reference Side. . 2 4 12.4 For Butt-joint Rail

14. MSA Series (Heavy load type) and MSB Series (Compact type) . . . . . . . . . . . . 2 5 ..................................................25

14.1 Construction

14.2 Characteristics

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14.3 Carriage Type

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14.4 Rail Type

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14.5 Description of Specification 14.6 Accuracy Grade

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14.7 Preload and Rigidity

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14.8 Lubrication

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14.9 Dust Proof

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14.10 The Shoulder Height and Corner Radius for Installation 14.11 Dimensional Tolerance of Mounting Surface 14.12 Tapped-hole Rail Dimensions

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14.13 Rail Standard and Maximum Length

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Dimensions of MSA-A / MSA-LA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2 Dimensions of MSA-E / MSA-LE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Dimensions of MSA-S / MSA-LS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 4 Dimensions of MSB-TE / MSB-E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 5 Dimensions of MSB-TS / MSB-S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 6 AMT Linear Guideway Request Form . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 GET/MD01/04.05

1. The Characteristics of AMT Linear Guideways High positioning accuracy, high repeatability The AMT linear guideway is a design of rolling motion with a low friction coefficient, and the difference between dynamic and static friction is very small. Therefore, the stick-slip will not occur when submicron feeding is making.

Low frictional resistance, high precision maintained for long period The frictional resistance of a linear guideway is only 1/20th to 1/40th of that in a slide guide. With a linear guideway, a well lubrication can be easily achieved by supplying grease through the grease nipple on carriage or utilizing a centralized oil pumping system, thus the frictional resistance is decreased and the accuracy could be maintained for long period.

High rigidity with four-way load design The optimum design of geometric mechanics makes the linear guideway to bear the load in all four directions, radial, reversed radial, and two lateral directions. Furthermore, the rigidity of linear guideway could be easily achieved by preloading carriage and by adding the number of carriages.

Suitable for high speed operation Due to the characteristic of low frictional resistance, the required driving force is much lower than in other systems, thus the power consumption is small. Moreover, the temperature rising effect is small even under high speed operation.

Easy installation with interchangeability Compared with the high-skill required scrapping process of conventional slide guide, the linear guideway can offer high precision even if the mounting surface is machined by milling or grinding. Moreover the interchangeability of linear guideway gives a convenience for installation and future maintenance.

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2. The Procedure of Select Linear Guideway

span, No. of carriages,No. of rails change

Identify the operating conditions

Parameters for calculating load on the linear guideway Space available for installation Size (span, No. of carriages, No. of rails) Installation position (horizontal, vertical, tilted, or wall-hung, etc.) Magnitude, direction, and location of imposed load Frequency of use (duty cycle) Stroke length Moving speed , acceleration Required service life, and accuracy Operating environment

Type or size changed

Select type

Calculate the applied load

Calculate the equivalent load

Calculate the static safety factor

No

Select proper type and size (If applied with ballscrew, the size of guideway should be similar to diameter of ballscrew.)

Calculate the load applied on each carriage.

Convert the load of block exerts in each direction into equivalent load.

The safety factor verified by basic static load rating and max equivalent load.

Verification of safety factor

Yes

No

Calculate mean load

Averaging the applied loads that fluctuate during operation and convert them into mean load.

Calculate nominal life

Using the service-life equation to calculate the running distance or hours.

Does the calculated value satisfy the required service life

Yes

Identify stiffness

Select preload Determine the fastening methods Determine the rigidity of fastened area

Identify accuracy

Select accuracy grade Identify the precision of mounting surface

Lubrication and dust protection

Types of lubrication (grease, oil, special lubrication) Method of lubrication (periodic or forced lubrication) Dust prevention design.

Completion

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3. Load Rating and Service Life of Linear Guideway To obtain a model which is most suitable for your service conditions of the linear guideway system, the load capacity and service life of the model must be taken into consideration. To verify the static load capacity, the basic static load rating (C0) is taken to obtain the static safety factor. The service life can be obtained by calculating the nominal life based on basic dynamic load rating. As the raceways or rolling balls are subjected repeated stresses, the service life of a linear guideway is defined as the total running distance that the linear guideway travel until flaking occurs.

3.1 Basic Static Load Rating (C0) A localized permanent deformation will develop between raceways and rolling balls when a linear guideway receives an excessive load or a large impact. If the magnitude of the deformation exceeds a certain limit, it could obstruct the smooth motion of the linear guideway. The basic static load rating (Co) refers to a static load in a given direction with a specific magnitude applied at the contact area under the most stress where the sum of permanent deformation develops between the raceway and rolling balls is 0.0001 times of the diameter of rolling ball. Therefore, the basic static load rating sets a limit on the static permissible load.

3.2 Static Permissible Moment (M0) When a moment is applied to a linear guideway, the rolling balls on both ends will receive the most stress among the stress distribution over the rolling balls in the system. The static permissible moment (Mo) refers to a static moment in a given direction with specific magnitude applied at the contact area under the most stress where the sum of permanent deformation develops between the raceway and rolling balls is 0.0001 times the diameter of rolling ball. Therefore, the static permissible moment sets a limit on the static moment. In linear guideway system, the static permissible moment is defined as MPăMYăMR three directions. See Fig. 1. MP MR

MY

Fig.1 Static permissible moment

3.3 Static Safety Factor (fs) Due to the impact and vibration while the guideway at rest or moving, or the inertia from start and stop, the linear guideway may encounter with an unexpected external force. Therefore, the safety factor should be taken into consideration for effects of such operating loads. The static safety factor (fs) is a ratio of the basic static load rating (C0) to the calculated working load. The static safety factor for different kinds of application is shown as Table 1.

fs =

C0 P

or

fs =

M0 M

fs ĈStatic safety factor C0 ĈBasic static load rating (N) M0ĈStatic permissible moment (Nąm) P ĈCalculated working load (N) M ĈCalculated moment (Nąm)

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Table 1 Standard value of static safety factor Machine Type

Load Condition

fs (Lower limit)

Regular industrial machine

Normal loading condition

1.0~1.3

With impact and vibration

2.0~3.0

Normal loading condition

1.0~1.5

With impact and vibration

2.5~7.0

Machine tool

3.4 Basic Dynamic Load Rating (C) Even when identical linear guideways in a group are manufactured in the same way or applied under the same condition, the service life may be varied. Thus, the service life is used as an indicator for determining the service life of a linear guideway system. The nominal life (L) is defined as the total running distance that 90% of identical linear guideways in a group, when they are applied under the same conditions, can work without developing flaking. The basic dynamic load rating (C) can be used to calculate the service life when linear guideway system response to a load. The basic dynamic load rating (C) is defined as a load in a given direction and with a given magnitude that when a group of linear guideways operate under the same conditions, the nominal life of the linear guideway is 50 km. (if the rolling element is ball)

3.5 Calculation of Nominal Life (L) The nominal life of a linear guideway can be affected by the actual working load. The nominal life can be calculated base on selected basic dynamic load rating and actual working load. The nominal life of linear guideway system could be influenced widely by environmental factors such like hardness of raceway, environmental temperature, motion conditions, thus these factors should be considered for calculation of nominal life. 3 fH Ű fT C L= Ű Ű50

(

fW

P

)

L ĈNominal life (km) C ĈBasic dynamic load rating (N) P ĈWorking load (N) fH ĈHardness factor (see Fig.2) fT ĈTemperature factor (see Fig.3) fW ĈLoad factor (see Table 2) Hardness factor fH In order to ensure the optimum load capacity of linear guideway system, the hardness of raceway must be HRC58~64. If the hardness is lower than this range, the permissible load and nominal life will be decreased. For this reason, the basic dynamic load rating and the basic static load rating should be multiplied by hardness factor for rating calculation. See Fig. 2. The hardness requirement of AMT linear guideway is above HRC58, thus the fH=1.0. 1.0

Hardness factor (fH)

0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 60

Fig. 2 Hardness factor 50

40

30

20

10

Raceway hardness (HRC)

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Temperature factor fT When operating temperature higher than 100°C, the nominal life will be degraded. Therefore, the basic dynamic and static load rating should be multiplied by temperature factor for rating calculation. See Fig. 3. The assemble parts of AMT guideway are made of plastic and rubber, therefore, the operating temperature below 100°C is strongly recommend. For special need, please contact us.

Temperature factor (fT)

1.0 0.9 0.8 0.7 0.6 0.5

Fig. 3 Temperature factor 100

120

140

160

180

200

Raceway temperature(ƨ)

Load factor fw Although the working load of liner guideway system can be obtained by calculation, the actual load is mostly higher than calculated value. This is because the vibration and impact, caused by mechanical reciprocal motion, are difficult to be estimated. This is especially true when the vibration from high speed operation and the impact from repeated start and stop. Therefore, for consideration of speed and vibration, the basic dynamic load rating should be divided by the empirical load factor. See Table 2. Table 2 Load factor (fw) Motion Condition

Operating Speed

fw

No impact & vibration

Vŷ15 m/min

1.0~1.2

Slight impact & vibration

15ŴVŷ60 m/min

1.2~1.5

Moderate impact & vibration

60ŴVŷ120 m/min

1.5~2.0

Strong impact & vibration

VŸ120 m/min

2.0~3.5

3.6 Calculation of Service Life in Time (Lh) When the nominal life (L) is obtained, the service life in hours can be calculated by using the following equation when stroke length and reciprocating cycles are constant.

Lh =

LŰ10 3 2Űl S Ű n1Ű 60

Lh ĈService life in hours (hr) L ĈNominal life (km) lS ĈStroke length (m) n1 ĈNo. of reciprocating cycles per minute (min-1)

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4. Friction Coefficient A linear guideway manipulates linear motion by circulating balls between the rail and the carriage. In which type of motion, the frictional resistance of linear guideway can be reduced to 1/20th to 1/40th of that in a slide guide. This is especially true in static friction which is much smaller than that in other systems. Moreover, the difference between static and dynamic friction is very little, so that the stick-slip situation does not occur. As such low friction, the submicron feeding can be carried out. The frictional resistance of a linear guideway system can be varied with the magnitude of load and preload, the viscosity resistance of lubricant, and other factors. The frictional resistance can be calculated by the following equation base on working load and seals resistance. Generally, the friction coefficient will be different from series to series, the friction coefficient of MSA and MSB series is 0.002~0.003 (without considering the seal resistance).

F = F ŰP + f

F ĈFrictional resistance (kgf) F ĈDynamic friction coefficient

P ĈWorking load (kgf) f ĈSeal resistance (kgf)

Friction coefficient (F)

0.015

0.010

0.005

P: Working load C: Basic dynamic load rating 0

0.1

0.2

Load ratio (P/C)

Fig. 4 Relationship between working load and friction coefficient

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5. Calculation of Working Load The load applied to a linear guideway system could be varied with several factors such as the location of the center gravity of an object, the location of the thrust, and the inertial forces due to acceleration and deceleration during starting and stopping. To select a correct linear guideway system, the above conditions must be considered for determining the magnitude of applied load. Examples for calculating working load Type

Operation Conditions

Equations

l2

P3

P1 =

F F.l F.l + . 3 - . 4 4 2 l1 2 l2

P2 =

F F.l F.l - . 3 - . 4 2 l1 2 l2 4

P3 =

F F.l F.l - . 3 + . 4 4 2 l1 2 l2

P4 =

F F.l F.l + . 3 + . 4 4 2 l1 2 l2

l3

Horizontal application: Uniform motion or at rest

F

P4

P2

P1 l4

l1

P3

Overhung horizontal application: Uniform motion or at rest

l2

P1 =

F F.l F.l + . 3 + . 4 4 2 l1 2 l2

P2 =

F F.l F.l - . 3 + . 4 4 2 l1 2 l2

P3 =

F F.l F.l - . 3 - . 4 4 2 l1 2 l2

P4 =

F F.l F.l + . 3 - . 4 4 2 l1 2 l2

P2

P4

P1 l1 l4

l3

F

l3

P1 = P2 = P3 = P4 =

P4 F P1

Vertical application: Uniform motion or at rest

P 1T = P 2T = P 3T = P 4T =

l 1 P 1T P3 P2 P 2T l2

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F.l3 2.l1

l4

F.l4 2.l1

P1 = P2 = P3 = P4 =

l1 P 2T l2

Wall installation application: Uniform motion or at rest

P 1T = P 4T =

F.l F + . 3 2 l1 4

P 2T = P 3T =

F.l F - . 3 2 l1 4

P2

P 1T l4

F.l4 2.l2

P1 P3 P 3T P4 F

P 4T l3

P1 =

h1

.

P2 = F

Laterally tilted application

P3 =

P1

P3

P 1T

P2

l3

l4

P4 = l1 ɞ

l2

P 2T

F . cosɞ F . cosɞ. l 3 + 4 2.l1 . . . . F cosɞ l 4 F sinɞ h 1 + 2.l2 2.l2 F . cosɞ F . cosɞ. l 3 4 2.l1 F . cosɞ. l 4 F . sinɞ. h 1 + 2.l2 2.l2 F . cosɞ F . cosɞ. l 3 + 4 2.l1 . . . . F cosɞ l 4 F sinɞ h 1 2.l2 2.l2 F . cosɞ F . cosɞ. l 3 + + 4 2.l1 . . . . F cosɞ l 4 F sinɞ h 1 2.l2 2.l2

P 1T =P 4T =

F . sinɞ F . sinɞ. l 3 + 4 2.l1

P 2T =P 3T =

F . sinɞ F . sinɞ. l 3 4 2.l1

F . cosɞ + 4 . . F cosɞ l 4 2.l2 F . cosɞ P2 = 4 . . F cosɞ l 4 2.l2 . F cosɞ P3 = 4 F . cosɞ. l 4 2.l2 P1 =

P3 h1

.

F P2

P4

Longitudinally tilted application

P 2T P1

P4 =

l3 l4 l2

P 1T

ɞ

l1

F . cosɞ. l 3 2.l1 . . F sinɞ h 1 + 2.l1 F . cosɞ. l 3 2.l1 . . F sinɞ h 1 2.l1 . F cosɞ. l 3 + 2.l1 . . F sinɞ h 1 2.l1

F . cosɞ F . cosɞ. l 3 + + 4 2.l1 F . cosɞ. l 4 F . sinɞ. h 1 + 2.l2 2.l1

P 1T =P 4T = +

F . sinɞ. l 4 2.l1

P 2T =P 3T = -

F . sinɞ. l 4 2.l1

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During acceleration

mg

P3

P1

P1 = P4 =

mg 4

P2 = P3 =

mg + 4

m. a 1 . l 3 2.l1 m. a 1 . l 3 2.l1

l4 Horizontal application: Subjected to inertia.

P 3T

l3

P4

m. a 1 . l 4 2.l1

In uniform motion

mg P 1T =P 2T =P 3T =P 4T = 4

l1 l2

P 1T =P 2T =P 3T =P 4T =

P 4T

During deceleration

V (m/s)

V tn

Velocity

a n=

P1 = P4 =

mg + 4

P2 = P3 =

mg 4

m. a 3 . l 3 2.l1 m. a 3 . l 3 2.l1

P 1T =P 2T =P 3T =P 4T = t1

t2

t3

m. a 3 . l 4 2.l1

t (s)

Time

Velocity diagram

l3

During acceleration

P 1 =P 2 =P 3 =P 4 =

P4

P 1T =P 2T =P 3T =P 4T =

mg P1 l1

m. ( g+ a 1 ) . l 3 2.l1 m. ( g+ a 1 ) . l 4 2.l1

In uniform motion

P 1T P 1= P 2=P 3=P 4=

Vertical application: Subjected to inertia.

l4

P3

m. g . l 3 2.l1

P 1T = P 2T =P 3T =P 4T =

m. g . l 4 2.l1

P2 During deceleration

P 2T l2

V a n= tn

V (m/s)

P 1= P 2=P 3=P 4=

m. ( g- a 3) . l 3 2.l1

Velocity

P 1T = P 2T =P 3T =P 4T =

t1

t2

t (s) t3 Time

Velocity diagram

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m. ( g- a 3) . l 4 2.l1

6. Calculation of the Equivalent Load The linear guideway system can take up loads and moments in all four directions those are radial load, reverse-radial load, and lateral load simultaneously. When more than one load is exerted on linear guideway system simultaneously, all loads could be converted into radial or lateral equivalent load for calculating service life and static safety factor. MSA series guideway has four-way equal load design. The calculation of equivalent load for the use of two or more linear guideways is shown as below.

PE = PR + PT

PR PT

PE ĈEquivalent load (N) PR ĈRadial or reverse-radial load (N) PT ĈLateral load (N)

For the case of mono rail, the moment effect should be considered. The equation is:

PE = PR + PT + C .

M MR

MR

PE ĈEquivalent load(N)

PR

PR ĈRadial or reverse-radial load(N) PT

PT ĈLateral load (N) C ĈBasic static load rating (N) M ĈCalculated moment (Nąm) MR ĈPermissible static moment (Nąm)

7. The Calculation of the Mean Load When a linear guideway system receives varying loads, the service life could be calculated in consideration of varying loads of the host-system operation conditions. The mean load (Pm) is the load that the service life is equivalent to the system which under the varying load conditions. If the rolling elements are balls, the equation of mean load is:

1 n Pm = 3 . Σ (Pn3 . L n ) L n=1

Pm ĈMean load (N) Pn ĈVarying load (N) L ĈTotal running distance (mm) Ln ĈRunning distance under load Pn (mm)

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Examples for calculating mean load

Types of Varying Load

Calculation of Mean Load

P1

Pm = Pm

1 3. (P1 L1 + P2 3 . L2 ..... +Pn 3 . Ln ) L

P2

Load (P)

Loads that change stepwise

3

Pm ĈMean load (N) Pn ĈVarying load (N) Pn

L2

L1

L ĈTotal running distance (mm) Ln ĈRunning distance under load Pn (mm)

Ln

Total running distance L

P max

Load (P)

Pm

Loads that change monotonously

~ 1 (Pmin + 2 . Pmax ) Pm = 3

Pm ĈMean load (N) Pmin ĈMinimum load (N) PmaxĈMaximum load (N)

P min

Total running distance L

P max

~ 0.65 . Pmax Pm = Pm

Load (P)

Pm ĈMean load (N) PmaxĈMaximum load (N)

Total running distance L

Loads that change sinusoidally

P max

~ 0.75 . Pmax Pm = Pm

Load (P)

Pm ĈMean load (N) PmaxĈMaximum load (N)

Total running distance L

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8. Calculation Example Operation conditions Model : MSA35LA2SSFC + R2520-20/20 P II Basic dynamic load ratingĈC = 50.8 kN Basic static load ratingĈC0 = 81.8 kN

m1 = 700 kg

Mass

m2 = 450 kg

Stroke

ls = 1500 mm

Velocity

V = 0.75 m/s

Distance

l1 = 650 mm

Time

t1 = 0.05 s

l2 = 450 mm

t2 = 1.9 s

l3 = 135 mm

t3 = 0.15 s

l4 = 60 mm l5 = 175 mm

2 Acceleration a1 = 15 m/s

l6 = 400 mm

a3 = 5 m/s2

l6 m 1g l5 Le

ft

m 2g V (m/s) l3

No.1

l4

No.3 t1 X1

l1 l2

t2 X2 lS

t3 X3

t (s) (mm) (mm)

Velocity diagram

No.4

1 Calculate the load that each carriage exerts 1-1 Uniform motion, Radial load Pn

P1 =

m1 g m1 g . l3 m1 g . l 4 m2 g + + 4 2l1 2l 2 4

= 2562.4 N P2 =

m1 g m1 g . l3 m1 g . l 4 m2 g + + + 4 2l1 2l 2 4

= 3987.2 N

P3 =

m1 g m1 g . l3 m1 g . l 4 m2 g + + 4 2l1 2l 2 4

= 3072.6 N P4 =

m1 g m1 g . l3 m1 g . l 4 m2 g + 4 2l1 2l 2 4

= 1647.8 N

1-2 During acceleration to the left, Radial load Pnla1

P1la1 = P1 -

m1 . a1 . l 6 m2 . a1 . l5 2l1 2l1

= -1577 N P2 la1 = P2 +

m1 . a1 . l 6 m2 . a1 . l5 + 2l1 2l1

= 8126.6 N

P3 la1 = P3 +

m1 . a1 . l 6 m2 . a1 . l5 + 2l1 2l1

= 7212 N P4 la1 = P4 -

m1 . a1 . l 6 m2 . a1 . l5 2l1 2l1

= -2491.6 N

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Lateral load Ptnla1

Pt1la1 = -

Pt 2 la1 =

m1 . a1 . l 4 = -484.6 N 2l1

m1 . a1 . l 4 = 484.6 N 2l1

Pt 3 la1 =

m1 . a1 . l 4 = 484.6 N 2l1

Pt 4 la1 = -

m1 . a1 . l 4 = -484.6 N 2l1

1-3 During deceleration to the left, Radial load Pnla3

P1la3 = P1 +

m1 . a3 . l 6 m2 . a3 . l5 + 2l1 2l1

= 3942.2 N m1 . a3 . l 6 m2 . a3 . l5 2l1 2l1

P2 la3 = P2 -

= 2607.4 N

P3 la3 = P3 -

m1 . a3 . l 6 m2 . a3 . l5 2l1 2l1

= 1692.8 N P4 la3 = P4 +

m1 . a3 . l 6 m2 . a3 . l5 + 2l1 2l1

= 3027.6 N

Lateral load Ptnla3

Pt1la3 =

m1 . a3 . l 4 = 161.5 N 2l1

Pt 2 la3 = -

m1 . a3 . l 4 = -161.5 N 2l1

Pt 3 la3 = -

Pt 4 la3 =

m1 . a3 . l 4 = 161.5 N 2l1

m1 . a3 . l 4 = -161.5 N 2l1

1-4 During acceleration to the right, Radial load Pnra1

P1 ra1 = P1 +

m1 . a1 . l 6 m2 . a1 . l5 + 2l1 2l1

= 6701.8 N P2 ra1 = P2 -

m1. a1 . l 6 m2 . a1 . l5 2l1 2l1

= -152.2 N

P3 ra1 = P3 -

m1 . a1 . l 6 m2 . a1 . l5 2l1 2l1

= -1066.8 N P4 ra1 = P4 +

m1 . a1 . l 6 m2 . a1 . l5 + 2l1 2l1

= 5787.2 N

Lateral load Ptnra1

Pt1 ra1 =

m1 . a1 . l 4 = 484.6 N 2l1

Pt 2 ra1 = -

m1 . a1 . l 4 = -484.6 N 2l1

Pt 3 ra1 = Pt 4 ra1 =

m1 . a1 . l 4 = -484.6 N 2l1

m1. a1 . l 4 = 484.6 N 2l1

1-5 During deceleration to the right, Radial load Pnra3

P1 ra3 = P1 -

m1 . a3 . l 6 m2 . a3 . l5 2l1 2l1

= 1182.6 N P2 ra3 = P2 +

m1. a3 . l 6 m2 . a3 . l5 + 2l1 2l1

= 5367 N

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GET/MD01/04.05

P3 ra3 = P3 +

m1 . a3 . l 6 m2 . a3 . l5 + 2l1 2l1

= 4452.4 N P4 ra3 = P4 -

m1. a3 . l 6 m2 . a3 . l5 2l1 2l1

= 268 N

Lateral load Ptnra1

Pt1 ra3 = -

Pt 2 ra3 =

m1 . a3 . l 4 = -161.5 N 2l1

Pt 3 ra3 =

m1 . a3 . l 4 = 161.5 N 2l1

m1 . a3 . l 4 = 161.5 N 2l1

Pt 4 ra3 = -

m1 . a3 . l 4 = -161.5 N 2l1

2 Calculate equivalent load 2-1 In uniform motion

PE1 = P1 = 2562.4 N

PE 3 = P3 = 3072.6 N

PE 2 = P2 = 3987.2 N

PE 4 = P4 = 1647.8 N

2-2 During acceleration to the left

PE1la1 = P1la1 + Pt1la1 = 2061.6 N

PE 3la1 = P3la1 + Pt 3la1 = 7696.6 N

PE 2 la1 = P2 la1 + Pt 2 la1 = 8611.2 N

PE 4 la1 = P4 la1 + Pt 4 la1 = 2976.2 N

2-3 During deceleration to the left

PE1la3 = P1la3 + Pt1la3 = 4103.7 N

PE 3la3 = P3la3 + Pt 3la3 = 1854.3 N

PE 2 la3 = P2 la3 + Pt 2 la3 = 2768.9 N

PE 4 la3 = P4 la3 + Pt 4 la3 = 3189.1 N

2-4 During acceleration to the right

PE1 ra1 = P1la1 + Pt1la1 = 7186.4 N

PE 3 ra1 = P3la1 + Pt 3la1 = 1551.4 N

PE 2 ra1 = P2 la1 + Pt 2 la1 = 636.8 N

PE 4 ra1 = P4 la1 + Pt 4 la1 = 6271.8 N

2-5 During deceleration to the right

PE1 ra3 = P1la3 + Pt1la3 = 1344.1 N

PE 3 ra3 = P3la3 + Pt 3la3 = 4613.9 N

PE 2 ra3 = P2 la3 + Pt 2 la3 = 5528.5 N

PE 4 ra3 = P4 la3 + Pt 4 la3 = 429.5 N

3 Calculation of static factor From above, the maximum load is exerted on carriage No.2 when during acceleration of the 2nd linear guideway to the left.

fs =

CO 81.8 Ű10 3 = = 9.5 PE 2 la1 8611.2

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14

4 Calculate the mean load on each carriage Pmn

Pm1 = 3

( PE1la13 . X 1 + PE31 . X 2 + PE1la33 . X 3 + PE1ra13 . X 1 + PE31 . X 2 + PE1ra33 . X 3 ) 2l S

= 2700.7 N

Pm 2 = 3

(PE 2 la13 . X 1 + PE32 . X 2 + PE 2 la33 . X 3 + PE 2 ra13 . X 1 + PE32 . X 2 + PE 2 ra33 . X 3 ) 2l S

= 4077.2 N

Pm 3 = 3

( PE 3la13 . X 1 + PE33 . X 2 + PE 3la33 . X 3 + PE 3 ra13 . X 1 + PE33 . X 2 + PE 3 ra33 . X 3 ) 2l S

= 3187.7 N

Pm 4 = 3

(PE 4 la13 . X 1 + PE34 . X 2 + PE 4 la33 . X 3 + PE 4 ra13 . X 1 + PE34 . X 2 + PE 4 ra33 . X 3 ) 2l S

= 1872.6 N 5 Calculation of nominal life (Ln) Base on the equation of the nominal life, we assume the fw=1.5 and the result is as below:

L1=

(

C f W . Pm1

(

C Ű 50 f W . Pm 2

L2=

)

= 98600 km

L3=

(

C f W .Pm3

= 28700 km

L4=

(

C f W .Pm 4

3

)

Ű 50

3

)

)

3

Ű50 =

60000 km

3

Ű 50 =

295800 km

From these calculations and under the operating conditions specified as above, the 28700 km running distance as service life of carriage No.2 is obtained.

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9. Installation Direction of Linear Guideway The installation direction of linear guideway depends on machine structure and load direction. When oil lubrication is applied, the lubricant routing will be varied with different applications. Therefore, please specify the direction of installation when ordering.

Horizontal (CodeĈH)

Vertical (CodeĈV)

Inverted (CodeĈR)

Opposed (CodeĈF)

Spacer

Wall mounting (CodeĈK)

Tilted (CodeĈT)

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16

10. Fixing Methods of Linear Guideway The rail and carriage could be displaced when machine receives vibration or impact. Under such situation, the running accuracy and service life will be degraded, so the following fixing methods are recommended for avoiding such situation happens. Table

Shoulder plates

Shoulder plate(Recommended) For this method, the rail and carriage should stick out slightly from the bed and table. To avoid interference from corner of carriage and rail, the shoulder plate should have a recess.

Bed

Table

Taper gibs

Taper gib A slight tightening of the taper gib could generate a large pressing force to the linear guideway, and this may cause the rail to deform. Thus, this method should be carried with caution.

Bed

Table Push screw Due to the limitation of installation space, the size of bolt should be thin. Push screws

Bed

Table

Needle rollers

Needle roller The needle roller is pressed by the taper section of the head of screw, so the position of screw should be paid attention.

Bed

11. Installation of Linear Guideway 11.1 Installation of Linear Guideway When Machine Subjected to Vibration and Impact Table Block push screw Rail push screw Bed Subsidiary side

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Master side

(1) Installation of rail

1. Prior to installation, the burrs, dirt, and rust preventive oil should be removed thoroughly.

Oil stone

Reference side

2. Gently place the linear guideway on the bed, and pushing it against the reference side of bed.

3. Check for correct bolt play and temporarily tighten all bolts. Bolts

4. Tighten the push screw in sequence to ensure the rail close matching the reference side of bed.

Push screw

Torque wrench

5. Tighten all bolts to the specified torque. The tightening sequence should start from the center to both ends. By doing this, the original accuracy could be achieved. 6. Follow the same procedure for the installation of remaining rails.

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18

(2) Installation of carriage

1

4

Table

3

1. Gently place table onto carriages and temporarily tighten the bolts. 2. Tighten the push screw to hold the master rail carriage against the table reference side, and position the table. 3. Fully tighten all bolts on both master and subsidiary sides. The tightening process should be followed by the order of Π1 toΠ4.

2

11.2 Installation of Linear Guideway without Push Screws Table

Push screw

Bed Subsidiary side

Master side

(1) Installation of master rail

Using a vise First tighten the mounting bolts temporarily, than use a C vise to press the master rail to reference side. Tighten the mounting bolts in sequence to specified torque.

(2) Installation of subsidiary rail

Straight edge

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Using a straight edge Place a straight edge between the two rails and position it parallel to the reference side rail which is temporarily tightened by bolts. Check the parallelism with dial gauge, and align the rail if necessary. Then tighten the bolts in sequence.

Using a table Tighten two master side carriages and one subsidiary side carriage onto the table. Then temporarily tighten another subsidiary carriage and rail to the table and bed. Position a dial gauge on the table and have the probe of dial gauge contact the side of the subsidiary carriage. Move the table from the rail end and check the parallelism between the carriage and the subsidiary rail. Then tighten the bolts in sequence.

Subsidiary side

Master side

Compare to master rail side Tighten two master side carriages and one subsidiary side carriage onto the table. Then temporarily tighten another subsidiary carriage and rail to the table and bed. Move the table from one rail, check and align the parallelism of subsidiary rail based on moving resistance. Tighten the bolts in sequence.

Master side

Using a jig Using the special jig to align the parallelism between the reference side of master rail and that of subsidiary rail from one rail end to another. Tighten the mounting bolts in sequence.

Subsidiary side

Master side

Subsidiary side

(3) The installation of carriage follows the example described previously.

11.3 The Installation of Carriage of Linear Guideway without the Reference Side for Master Rail Table

Push screw

Bed Subsidiary side

Master side

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20

(1) Mounting the master rail

Using a temporary reference side Two carriages are tightened together onto the measuring plate, and set up a temporary reference surface near the rail mounting surface on the bed. Check and align the parallelism of rails and then tighten bolts sequentially.

Measuring plate

Straight edge

Using a straight edge At first temporarily tighten rail onto the bed, then use a dial gauge to align the straightness of rail. Tighten the bolts in sequence.

(2) The installation of subsidiary carriage and rail is same as the prior examples.

11.4 Accuracy Measurement after Installation The running accuracy can be obtained by tightening the two carriages onto the measuring plate. A dial gauge or autocollimeter is sued for measuring the accuracy. If a dial gauge is used, the straight edge should be placed as close to carriage as possible for accurate measurement.

Measuring with an Autocollimeter

Measuring with a Dial Gauge

Straight edge

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11.5 The Recommended Tightening Torque for Rails The improper tightening torque could affect the mounting accuracy, so tightening the bolts by torque wrench to specified toque is highly recommended. Different types of mounting surface should have different torque value for applications.

Table 3 Tightening torque value UnitĈNącm Torque Value Bolt Model Iron

Cast iron

Aluminum

M3

200

130

100

M4

400

270

200

M5

880

590

440

M6

1370

920

680

M8

3000

2000

1500

M12

12000

7800

5800

12. Marking on Master Linear Guideway and Combined Case 12.1 Recognizing of Reference Side The reference side of rail is assigned by the arrow sign which is marked together with the model code and lot number on top surface of rail while that of carriage is the side which is opposed to the side marked with lot number and model code marked, as shown on Fig. 5.

Reference side

Marking on Rail Model No. Accuracy grade

MSA25R P M03000101-001 MR

Lot No.

Master rail Sequence No.

Reference side Marking on Carriage Model No. Accuracy grade

MSA25S P M03000101-001

Fig. 5 Recognizing of reference side Lot No.

Sequence No.

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12.2 Recognizing of Master Rail Linear rails to be applied on the same plane are all marked with the same serial number, and "MR" is marked at the end of serial number for indicating the master rail, shown as Fig. 6. The reference side of carriage is the surface where is ground to a specified accuracy. For normal grade (N), it has no mark "MR" on rail which means any one of rails with same serial number could be the master rail. Fig. 6 Recognizing of master rail

MSA25R P M03000101-001 MR

Master rail

MSA25R P M03000101-002

Subsidiary rail

12.3 Combined Use of Rail and Carriage For combined use, the rail and carriage must have the same serial number. When reinstalling the carriage back to the rail, make sure they have the same serial number and the reference side of carriage should be in accordance with that of rail.

12.4 For Butt-joint Rail When applied length of rail longer than specified max. length, the rails can be connected to one another. For this situation, the joint marks indicate the matching position, as shown in Fig. 7. Accuracy may deviate at joints when carriages pass the joint simultaneously. Therefore, the joints should be interlaced for avoiding such accuracy problem, as shown in Fig. 8.

Joint mark

MSA25R P M03000101-002

2A 2A

2B 2B

MSA25R P M03000101-002

Subsidiary rail

MSA25R P M03000101-002

Fig. 7 Identification of butt-joint rail

Reference side

Master rail

MSA25R P M03000101-001 MR

1A 1A

MSA25R P M03000101-001 MR

1B 1B

Fig. 8 Staggering the joint position

Interlacing the joint positions P/2

P/2

P

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P

MSA25R P M03000101-001 MR

13. The Relationship between the Direction of Lubrication and the Reference Side The standard lubrication fitting is grease nipple (G-M6ăG-PT1/8ăG-M4). The code of different types of application for lubrication fittings are shown in Table 4. For cases other than specified, please contact us for confirmation.

Table 4 The relationship between the direction of lubrication and the reference side

Code: C1R1

Code: C1R2 Reference side Reference side

Subsidiary rail Reference side

Reference side

Master rail

Code: C2R1

Code: C2R2 Reference side Reference side

Subsidiary rail Reference side

Reference side

Master rail

Code: C3R1

Code: C3R2 Reference side Reference side Subsidiary rail Reference side

Reference side

Master rail

Code: C4R1

Code: C4R2 Reference side Reference side Subsidiary rail Reference side

Reference side

Master rail

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24

14. MSA Series (Heavy Load Type) and MSB Series (Compact Type) 14.1 Construction Upper Retainer Carriage End Cap End Seal Rail Grease Nipple Ball Lower Retainer 45

Bottom Seal

45

14.2 Characteristics The trains of balls are designed to a contact angle of 45ƶwhich enables it to bear an equal load in radial, reversed radial and lateral directions. Therefore, it can be applied in any installation direction. Furthermore, MSA and MSB series can achieve a well balanced preload for increasing rigidity in four directions while keeping a low frictional resistance. This is especially suit to high precision and high rigidity required motion. The patent design of lubrication route makes the lubricant evenly distribute in each circulation loop. Therefore, the optimum lubrication can be achieved in any installation direction, and this promotes the performance in running accuracy, service life, and reliability. High Rigidity, Four-way Equal Load The four trains of balls are allocated to a circular contact angle at 45ƶ, thus each train of balls can take up an equal rated load in all four directions. Moreover, a sufficient preload can be achieved to increase rigidity, and this makes it suitable for any kind of installation. Self Alignment Capability The self adjustment is performed spontaneously as the design of face-to-face (DF) circular arc groove. Therefore, the installation error could be compensated even under a preload, and which results in precise and smooth linear motion.

Smooth Movement with Low Noise The simplified design of circulating system with strengthened synthetic resin accessories makes the movement smooth and quiet. Interchangeability For interchangeable type of linear guideway, the dimensional tolerances are strictly maintained within a reasonable range, and this has made the random matching of the same size of rails and carriages possible. Therefore, the similar preload and accuracy can be obtained even under the random matching condition, As a result of this advantage, the linear guideway can be stocked as standard parts, the installation and maintenance become more convenient. Moreover, this is also beneficial for shortening the delivery time.

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14.3 Carriage Type

(1) MSA Series - Heavy Load Type

Heavy Load MSA-A Type

MSA-E Type

Installed from top side of carriage with the thread length longer than MSA-E type.

This type offers the installation either from top or bottom side of carriage.

MSA-S Type

Square type with smaller width and can be installed from top side of carriage.

Ultra Heavy Load MSA-LA Type

All dimensions are same as MSA-A except the length is longer, which makes it more rigid.

MSA-LE Type

All dimensions are same as MSA-E except the length is longer, which makes it more rigid.

MSA-LS Type

All dimensions are same as MSA-S except the length is longer, which makes it more rigid.

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(2) MSB Series - Compact Type Medium Load MSB-TE Type

MSB-TS Type

This type offers the installation either from top or bottom side of carriage.

Square type with smaller width and can be installed from top side of carriage.

MSB-E Type

MSB-S Type

All dimensions are same as MSB-TE except the length is longer, which makes it more rigid.

All dimensions are same as MSB-TS except the length is longer, which makes it more rigid.

Heavy Load

14.4 Rail Type Counter-bore (R type)

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Tapped Hole (T type)

14.5 Description of Specification (1) Non-Interchangeable Type

MSA 25

A

2

SS F0

A + R 1200 - 20 / 40

P

A

II

Series： MSA, MSB 15, 20, 25, 30, 35, 45 for MSA series Size： 15, 20, 25, 30 for MSB series

Carriage type：See note below Number of carriages per rail： 1, 2, 3 ... Dust protection option：No symbol, UU, SS, ZZ, DD, KK, LL, RR

Preload： FC (Light preload) , F0 (Medium preload) , F1 (Heavy preload) Code of special carriage： No symbol, A, B ... Rail type： R (Counter-bore type) , T (Tapped hole type) Rail length (mm) Rail hole pitch from start side ( E1, see Fig.9) Rail hole pitch to the end side ( E2, see Fig.9) Accuracy grade： N, H, P, SP, UP Code of special rail： No symbol, A, B ... Number of rails per axis： No symbol , II, III, IV ... Note : Carriage type

MSA Series (1) Heavy load A : Flange type, mounting from top E : Flange type, mounting either from top or bottom S : Square type (2) Ultra heavy load LA : Flange type, mounting from top LE : Flange type, mounting either from top or bottom LS : Square type

MSB Series (1) Medium load TE : Flange type, mounting either from top or bottom TS : Square type

(2) Heavy load E : Flange type, mounting either from top or bottom S : Square type

Fig.9

Subsidiary rail

Reference side

Reference side

E1

E2

Master rail

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28

(2) Interchangeable Type

Code of Carriage

MSA

25

A

SS

FC

N

A

SeriesĈ MSA, MSB SizeĈ

15, 20, 25, 30, 35, 45 for MSA series 15, 20, 25, 30 for MSB series

Carriage typeĈSee note below Dust protection optionĈNo symbol, UU, SS, ZZ, DD, KK, LL, RR

PreloadĈ FC (Light preload) Accuracy gradeĈ N, H Code of special carriageĈ No symbol, A, B ... Note: Carriage type MSB Series (1) Medium load TE : Flange type, mounting either from top or bottom TS : Square type

MSA Series (1) Heavy load A : Flange type, mounting from top E : Flange type, mounting either from top or bottom S : Square type (2) Ultra heavy load LA : Flange type, mounting from top LE : Flange type, mounting either from top or bottom LS : Square type

Code of Rail

(2) Heavy load E : Flange type, mounting either from top or bottom S : Square type

MSA

SeriesĈ MSA, MSB SizeĈ

15, 20, 25, 30, 35, 45 for MSA series 15, 20, 25, 30 for MSB series

Rail TypeĈ R (Counter-bore type) , T (Tapped hole type) Rail length (mm) Rail hole pitch from start side ( E1, see Fig.9) Rail hole pitch to the end side ) E2, see Fig.9) Accuracy gradeĈ N, H Code of special railĈNo symbol, A, B ...

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25

R

1200 - 20

/ 40

N

A

14.6 Accuracy Grade The accuracy of linear guideway includes the dimensional tolerance of height, width, and the running accuracy of the carriage on the rail. The standard of the dimension difference is built for two or more carriages on a rail or a number of rails are used on the same plane. The accuracy of linear guideway is divided into 5 classes, normal grade (N), high precision (H), precision (P), super precision (SP), and ultra precision (UP), as shown in Table 5. The running accuracy is the deviation of parallelism between the reference surface of carriage and reference surface of rail when carriage moving over the entire length of rail.

Fig. 10 Measuring the running parallelism

The height difference (ɂH) means the height difference among carriages installed on the same plane. The width difference (ɂW2) means the width difference among carriages installed on a rail.

Additional remarks

Running parallelism ɂC, ɂD (µm)

1. When two or more linear guideways are used on the same plane, the tolerance of W2 and difference of ɂW2 is applicable to master rail only. 2. The accuracy is measured at the center or central area of carriage.

40

Normal (N) 30

High (H) 20

Precision (P) Super Precision (SP)

10

Ultra Precision (UP) 0

1000 Rail length (mm)

2000

3000

4000

Fig.11 Running Parallelism of Carriage

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30

ɂC A C ɂD B H

A

Table 5 Accuracy Grade

W2

D

B

Unit: mm Accuracy Grade Model No.

Item

Normal

High

Precision

Super

Ultra

Precision

Precision

N

H

P

SP

UP

Tolerance for height H

Ų0.1

Ų0.03

0 -0.03

0 -0.015

0 -0.008

Height difference ɂH

0.02

0.01

0.006

0.004

0.003

MSA 20

Tolerance for distance W2

Ų0.1

Ų0.03

0 -0.03

0 -0.015

0 -0.008

MSB 15

Difference in distance W2 (ɂW2)

0.02

0.01

0.006

0.004

0.003

MSB 20

Running parallelism of

MSA 15

ɂC (see Fig.11)

surface C with surface A Running parallelism of

ɂD (see Fig.11)

surface D with surface B

MSA 25

Tolerance for height H

Ų0.1

Ų0.04

0 -0.04

0 -0.02

0 -0.01

Height difference ɂH

0.02

0.015

0.007

0.005

0.003

Tolerance for distance W2

Ų0.1

Ų0.04

0 -0.04

0 -0.02

0 -0.01

Difference in distance W2 (ɂW2)

0.03

0.015

0.007

0.005

0.003

MSA 30 MSA 35 MSB 25 MSB 30

Running parallelism of

ɂC (see Fig.11)

surface C with surface A Running parallelism of

ɂD (see Fig.11)

surface D with surface B Tolerance for height H

Ų0.1

Ų0.05

0 -0.05

0 -0.03

0 -0.02

Height difference ɂH

0.03

0.015

0.007

0.005

0.003

Tolerance for distance W2

Ų0.1

Ų0.05

0 -0.05

0 -0.03

0 -0.02

Difference in distance W2 (ɂW2)

0.03

0.02

0.01

0.007

0.005

MSA 45

Running parallelism of surface C with surface A Running parallelism of surface D with surface B

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ɂC (see Fig.11) ɂD (see Fig.11)

14.7 Preload and Rigidity The rigidity of a linear guideway could be enhanced by increasing the preload. As shown in Fig. 12, the load could be raised up to 2.8 times the preload applied. The preload is represented by negative clearance resulting from the increase of ball diameter. Therefore, the preload should be considered in calculation service life.

Deformation (δ)

Light preload (FC) 2δ0

Medium preload (F0) Heavy preload (F1)

δ0

P0 : Preload P0

2.8P 0

Load Fig.12 Rigidity

(1) Preload grade and Radial clearance The preload of MSA and MSB series is represented by radial clearance which is divided into three grades, light (FC), medium (F0), heavy (F1), as shown in Table 6. Table 6 Preload grade and radial clearance Preload Model No.

Unit：µm

Light

Medium

Heavy

FC

F0

F1

Preload Model No.

Light

Medium

Heavy

FC

F0

F1

MSA 15

-4 ~ +2

-12 ~ -4

-

MSB 15

-4 ~ +2

-10 ~ -4

-

MSA 20

-5 ~ +2

-14 ~ -5

-23 ~ -14

MSB 20

-5 ~ +2

-12 ~ -5

-17 ~ -12

MSA 25

-6 ~ +3

-16 ~ -6

-26 ~ -16

MSB 25

-6 ~ +3

-15 ~ -6

-21 ~ -15

MSA 30

-7 ~ +4

-19 ~ -7

-31 ~ -19

MSB 30

-7 ~ +4

-18 ~ -7

-26 ~ -18

MSA 35

-8 ~ +4

-22 ~ -8

-35 ~ -22

MSA 45

-10 ~ +5

-25 ~ -10

-40 ~ -25

(2) Selection of preload Preload

Light preload (FC)

Medium preload (F0)

Heavy preload (F1)

Operating Condition

Major Application

The loading direction is fixed, vibration and impact are light, and two axes are applied in parallel. High precision is not required, and the low frictional resistance is needed.

Welding machine, binding machine, auto packing machine, x, y axis of ordinary industrial machine, material handling equipments.

Overhang application with a moment load. Applied in one-axis configuration The need of light preload and high precision.

Z axis of industrial machines, EDM, precision x y table, PC board drilling machine, industrial robot, NC lathe, measuring equipment, grinding machine, auto painting machine.

Machine is subjected to vibration and impact, and high rigidity required. Application of heavy load or heavy cutting.

Machine center, NC lathe, grinding machine, milling machine, Z axis of boring machine and machine tools.

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32

14.8 Lubrication A well lubrication is important for maintaining the function of linear guideway. If the lubrication is not sufficient, the frictional resistance at rolling area will increase and the service life will be shortened as a result of wear of rolling parts. Two primary lubricants are both grease and oil used for linear motion system, and the lubrication methods are categorized into manual and forced oiling. The selection of lubricant and its method should be based on the consideration of operating speed and environment requirement.

(1) Grease lubrication The grease feeding interval will be varied with different operating conditions and environments. Under normal operating condition, the grease should be replenished every 100km of travel. The amount of grease for each type of carriage is shown as Table 7. The standard grease for the MSA and MSB series is lithium-based grease No.2. Table 7 Grease amount to be fed Initial Feeding Amount (cm3)

Amount for Replenishing (cm3)

Model No.

Initial Feeding Amount (cm3)

Amount for Replenishing (cm3)

MSA 15

0.8

0.4

MSB 15 T

0.4

0.2

MSA 20

1.5

0.8

MSB 15

0.6

0.3

MSA 20 L

2.0

1.0

MSB 20 T

0.6

0.3

MSA 25

2.5

1.2

MSB 20

1.0

0.5

MSA 25 L

3.0

1.5

MSB 25 T

1.2

0.6

MSA 30

3.8

1.9

MSB 25

1.7

0.8

MSA 30 L

4.7

2.4

MSB 30 T

1.8

0.9

MSA 35

5.6

2.8

MSB 30

2.0

1.0

MSA 35 L

7.0

3.5

MSA 45

10.5

5.3

MSA 45 L

13.0

6.5

Model No.

(2) Oil lubrication The recommended viscosity of oil is 30~150 cst, and the recommended feeding rate per hour is shown as Table 8. The installation other than horizontal may caused the oil unable to reach raceway area, so please specify the installed direction your linear guideway applied. Reference is shown in Page 16.

Table 8 Oil lubrication feeding rate

Model No.

Initial Feeding Amount (cm3)

Feeding Rate (cm3/hr)

Model No.

Initial Feeding Amount (cm3)

Feeding Rate (cm3/hr)

MSA 15

0.2

0.1

MSB 15

0.2

0.1

MSA 20

0.4

0.2

MSB 20

0.3

0.2

MSA 25

0.5

0.2

MSB 25

0.5

0.2

MSA 30

0.8

0.2

MSB 30

0.6

0.2

MSA 35

1.2

0.3

MSA 45

2.2

0.3

Note: When the operating stroke length less than the sum of length of two carriages, the lubrication fitting should be applied on both ends of carriage for adequacy. Moreover, if the stroke length less than a half of the length of a carriage, the carriage should be moved back and forth up to the length of two carriages while lubricating.

33

GET/MD01/04.05

(3) Types of grease nipple and piping joint are shown as below:

Grease nipple

G-M6

GS-M6

G-PT1/8

GS-PT1/8

G-M4

8

M6x0.75P

12 5

8.5

8.5

6.5

6

M6x0.75P

12

19.5

12

24

15.3

20.5

8

M4x0.7P PT1/8

PT1/8

Oil piping joint

OL type

OL-B

OL-C 12

25

10

M6x0.75P

8

8

6.5

6.5

M6x0.75P

M6x0.75P

18

12 M8x1P

PT1/8

19.5

10

10

8

4.5

18

M8x1P

23.5

12

OL-E

16.5

12 PT1/8

OL-D

20

OL-A

PT1/8

PT1/8

M4x0.7P

OS type

OS-B M8x1P

PT1/8

10

M6x0.75P

M8x1P

25

12

8

6.5

6.5

23.5

19.5

12

OS-D 10

20

PT1/8

OS-C

8

OS-A

M6x0.75P

PT1/8

Grease Nipple

PT1/8

Piping Joint

Model No. Standard

Option

Option

OL-E

MSA 15

MSB 15

G-M4

-

MSA 20

MSB 20

G-M6

GS-M6

OL-A

OL-B

OS-A

OS-B

MSA 25

MSB 25

G-M6

GS-M6

OL-A

OL-B

OS-A

OS-B

MSA 30

MSB 30

G-M6

GS-M6

OL-A

OL-B

OS-A

OS-B

MSA 35

G-M6

GS-M6

OL-A

OL-B

OS-A

OS-B

MSA 45

G-PT1/8

GS-PT1/8

OL-C

OL-D

OS-C

OS-D

GET/MD01/04.05

34

(4) Lubrication position The standard mounting locating of carriage is at the center of both ends, see Fig. 13. As for lateral application, please specify when ordering. As shown as Fig. 14, the lateral application is achieved by using a connector to connect the grease/oil fitting to the hole on the carriage.

Fig. 13 Lubrication location

Fig. 14 Lateral usage

Connector OS-B Connector

OS-A GS-M6

GS-M6 OS-A OS-B

35

GET/MD01/04.05

14.9 Dust Proof (1) Contamination protection MSA series of linear guideway offers various kinds of dust protection accessory to keep the foreign matters from entering into the carriage. End seal

Bottom seal

Tow types sealing are available: 1. Bidirectional seal for high dust protection required. 2. Monodirectional seal for low frictional resistance required.

Preventing the inclusion of foreign matters from bottom of carriage.

End seal

Bottom seal

Double end seal

Metallic scraper

For enhancing the dust protection.

Removing spatters, iron chips , and large foreign matters as well as protecting the end seals.

End seal

End seal

Spacer

Metal scraper

End seal

Washer

Washer

Washer

Washer

(2) Code of contamination protection The codes for selection of dust protection accessory are shown as Table 9. The increment to be added to the length of carriage with different applications of dust protection accessory is shown as Table 10. Table 9 Code of contamination protection Code No symbol

Contamination Protection Scraper (both ends)

UU

Bidirectional end seal (both ends)

SS

Bidirectional end seal + bottom seal

ZZ

SS + Scraper

DD

Double bidirectional end seal + bottom seal

KK

DD + scraper

LL

Low frictional end seal

RR

LL + bottom seal

GET/MD01/04.05

36

Table 10 Types of seal to the increment to the carriage overall length UnitĈmm Model No.

No symbol

UU

SS

LL

RR

ZZ

DD

KK

MSA 15

2

-

-

-

-

7

5.2

12.2

MSA 20

1.4

-

-

-

-

5.4

6

11.4

MSA 25

1.4

-

-

-

-

5.4

6

11.4

MSA 30

1.4

-

-

-

-

7

7.6

14.6

MSA 35

0.6

-

-

-

-

7.8

7.2

15

MSA 45

0.6

-

-

-

-

7.8

7.2

15

MSB 15

-

-

-

-

-

5

5

10

MSB 20

1

-

-

-

-

7

6

13

MSB 25

1

-

-

-

-

7

6

13

MSB 30

1

-

-

-

-

7

6

13

(3) Resistance value of seal The maximum resistance value of seals type UU when it is applied with grease is shown as Table 11. Table 11 Seal resistance value UnitĈN Model No.

Resistance

Model No.

Resistance

MSA 15

2

MSB 15

2

MSA 20

3.5

MSB 20

3

MSA 25

4

MSB 25

4

MSA 30

6

MSB 30

5.5

MSA 35

10

MSA 45

12

(4) Caps for rail mounting hole A special designed of cap is used to cover the bolt hole to prevent the foreign matters from entering the carriage. The cap is mounted by using a plastic hammer with a flat pad placed on the top, until the top of cap is flush to the top surface of rail. See Fig. 15. The dimension of caps for different sizes of rail is shown as Table 12.

D Plastic hammer

h

Fig.15 Cap for rail mounting hole

37

GET/MD01/04.05

Flat pad

Table 12 Dimensions of caps Code of Cap

Bolt Size

D(mm)

h(mm)

MSB15R

M3C

M3

6.3

1.1

MSA15R

MSB15U

M4C

M4

7.8

1.1

MSA20R

MSB20R

M5C

M5

9.8

2.2

MSA25R

MSB25R MSB30R

M6C

M6

11.3

2.5

MSA30R MSA35R

M8C

M8

14.4

3.3

MSA45R

M12C

M12

20.4

4.6

Rail Model

14.10 The Shoulder Height and Corner Radius for Installation The mounting surface of rails and carriages are machined precisely for aiding in positioning and assemble with high accuracy. The shoulder height and corner radius providing enough mounting space for not to interfere with chamfers made on rails and carriages. The dimensions of shoulder height and corner radius are shown as Table 13.

r2 h2

H2

h1 r1

Table 13 Shoulder height and corner radius of mounting surface UnitĈmm Model No.

r1 (max.)

r2 (max.)

h1

h2

H2

MSA 15

0.5

0.5

3

4

4.2

MSA 20

0.5

0.5

3.5

5

5

MSA 25

1

1

5

5

6.5

MSA 30

1

1

5

5

8

MSA 35

1

1

6

6

9.5

MSA 45

1

1

8

8

10

MSB 15

0.5

0.5

3

4

4.5

MSB 20

0.5

0.5

4

5

6

MSB 25

1

1

5

5

7

MSB 30

1

1

7

5

9.5

GET/MD01/04.05

38

14.11 Dimensional Tolerance of Mounting Surface Thanks to the self alignment capability of MSA and MSB series, the minor dimensional error in mounting surface could be compensated and achieves smooth linear motion. The tolerances of parallelism between two axes are shown as below. The parallel deviation between two axes (e1)

e1

Table 14 Parallel deviation (e1)

UnitĈµm Preload Grade

Model No. FC

F0

F1

MSA 15

MSB 15

25

18

-

MSA 20

MSB 20

25

20

18

MSA 25

MSB 25

30

22

20

MSA 30

MSB 30

40

30

27

MSA 35

50

35

30

MSA 45

60

40

35

Level difference between two axes (e2)

e2

500 Table 15 Level difference between two axes (e2)

UnitĈµm

Preload Grade Model No. FC

F0

F1

MSA 15

MSB 15

130

85

-

MSA 20

MSB 20

130

85

50

MSA 25

MSB 25

130

85

70

MSA 30

MSB 30

170

110

90

MSA 35

210

150

120

MSA 45

250

170

140

Note: The permissible values in table are applicable when the span is 500mm wide.

39

GET/MD01/04.05

14.12 Tapped-hole Rail Dimensions

h S

E

E

P L0

Rail Model

S

h(mm)

Rail Model

S

h(mm)

MSA 15 T

M5

8

MSB 15 T

M5

7

MSA 20 T

M6

10

MSB 20 T

M6

9

MSA 25 T

M6

12

MSB 25 T

M6

10

MSA 30 T

M8

15

MSB 30 T

M8

14

MSA 35 T

M8

17

MSA 45 T

M12

24

GET/MD01/04.05

40

14.13 Rail Standard and Maximum Length

E

E

P L0

UnitĈmm MSA 15 MSB 15

MSA 20 MSB 20

MSA 25 MSB 25

MSA 30 MSB 30

MSA 35

MSA 45

160 220 280 340 400 460 520 580 640 700 760 820 880 940 1000 1060 1120 1180 1240 1300 1360 1420 1480 1540 1600 1660 1720 1780 1960

220 280 340 400 460 520 580 640 700 760 820 880 940 1000 1060 1120 1180 1240 1300 1360 1420 1480 1540 1600 1660 1720 1780 1840 1900 1960 2020 2080 2140 2200 2260 2320 2380 2440 2500 2560 2620 2680 2740 2980

220 280 340 400 460 520 580 640 700 760 820 880 940 1000 1060 1120 1180 1240 1300 1360 1420 1480 1540 1600 1660 1720 1780 1840 1900 1960 2020 2080 2140 2200 2260 2320 2380 2440 2500 2560 2620 2680 2740 2800 2860 2920 2980 3040 3100 3160 3220 3280 3340 3400 3460 3520 3580 3640 3700 3760 4000

280 360 440 520 600 680 760 840 920 1000 1080 1160 1240 1320 1400 1480 1560 1640 1720 1800 1880 1960 2040 2120 2200 2280 2360 2440 2520 2600 2680 2760 2840 2920 3000 3080 3160 3240 3320 3400 3480 3560 3640 3960

280 360 440 520 600 680 760 840 920 1000 1080 1160 1240 1320 1400 1480 1560 1640 1720 1800 1880 1960 2040 2120 2200 2280 2360 2440 2520 2600 2680 2760 2840 2920 3000 3080 3160 3240 3320 3400 3480 3560 3640 3960

570 675 780 885 990 1095 1200 1305 1410 1515 1620 1725 1830 1935 2040 2145 2250 2355 2460 2565 2670 2775 2880 2985 3090 3195 3300 3930

Standard Pitch (P)

60

60

60

80

80

105

Standard E

20

20

20

20

20

22.5

Minimum E

5

6

7

8

8

11

Max. Length L0

2000

3000

4000

4000

4000

4000

Model No.

Rail Standard Length (L0)

41

GET/MD01/04.05

Dimensions of MSA-A / MSA-LA MP

W B

4-Sx l

T1

T

MY

H

H2

W2

W1

MR

(G)

L L1

4-

D

K

d1

C

N

h H1

d E

P

UnitĈmm External dimension Model No.

MSA 15 A

MSA 20 A

Height

Width

Length

H

W

L

W2

H2

B

C

Sxl

24

47

56.3

16

4.2

38

30

M5x11

30

63

MSA 20 LA MSA 25 A

36

70

42

90

5

53

48

100

60

120

81.6

23.5

6.5

31

8

33

57

72

9.5

82

37.5

10

100

H1

P

MSA 20 LA MSA 25 A

E

Dxhxd

15

15

60

20

7.5 x 5.3 x 4.5

20

18

60

20

9.5 x 8.5 x 6

23

22

60

20

11 x 9 x 7

28

26

80

20

14 x 12 x 9

34

29

80

20

14 x 12 x 9

45

38

105

22.5

20 x 17 x 14

MSA 30 LA MSA 35 A MSA 35 LA MSA 45 A MSA 45 LA

K

d1

Grease Nipple

39.3

7

11

4.3

7

3.2

3.3

G-M4

7

10

5

12

5.8

3.3

G-M6

11

16

6

12

5.8

3.3

G-M6

11

18

7

12

6.5

3.3

G-M6

13

21

8

11.5

8.6

3.3

G-M6

13

25

10

13.5

10.6

3.3

G-PT1/8

51.3

M8x16

59

52

M10x18

71.4

62

M10x21

81

80

M12x25

102.5

Basic load rating

MSA 25 LA MSA 30 A

G

134.3

std.

MSA 20 A

45

169.5

W1

N

106.4

137.7

Pitch

T1

93.6

111.2

Height

T

78

97

Width

L1

67.2

Rail dimension

MSA 15 A

M6x10

136.6

MSA 45 LA

Model No.

40

119.2

MSA 35 LA MSA 45 A

21.5

100.6

MSA 30 LA MSA 35 A

72.9 88.8

MSA 25 LA MSA 30 A

Carriage dimension

Dynamic

Static

Static moment rating

Weight

C

C0

MP

MY

MR

kN

kN

kN-m

kN-m

kN-m

Carriage kg

Rail kg/m

9.4 14.1 21.3

15.3 24.0 32.0

0.08 0.16 0.27

0.08 0.16 0.27

0.11 0.23 0.31

0.18 0.4 0.52

1.5

20.1 27.7 28.7 37.4 37.4 50.8 61.4 80.9

34.5 46.0 47.0 62.5 61.4 81.8 95.9 127.8

0.27 0.46 0.43 0.73 0.64 1.10 1.30 2.10

0.27 0.46 0.43 0.73 0.64 1.10 1.30 2.10

0.39 0.52 0.64 0.85 1.02 1.36 2.09 2.79

0.62 0.82 1.09 1.43 1.61 2.11 2.98 3.9

2.4 3.4 4.8 6.6 11.5

GET/MD01/04.05

42

Dimensions of MSA-E / MSA-LE

W B

4-Sx l

T1

MP

T2

T

H

MY

H2

W2

W1

(G)

L

MR

L1 4-

C

K

d1

N

D

h H1

d E

P

UnitĈmm External Dimension Model No.

MSA 15 E MSA 20 E

Height

Width

Length

H

W

L

W2

H2

B

C

Sxl

24

47

56.3

16

4.2

38

30

M5x7

30

63

MSA 20 LE MSA 25 E

36

70

42

90

5

53

48

100

60

120

81.6

23.5

6.5

31

8

33

57

72

9.5

82

37.5

10

100

H1

P

15 20

15 18

60 60

23

22

60

E

Dxhxd

20 20

7.5 x 5.3 x 4.5 9.5 x 8.5 x 6

20

11 x 9 x 7

MSA 25 LE MSA 30 E

28

26

80

20

14 x 12 x 9

MSA 30 LE MSA 35 E

34

29

80

20

14 x 12 x 9

MSA 35 LE MSA 45 E

45

MSA 45 LE

43

GET/MD01/04.05

38

105

G

K

d1

Grease Nipple

39.3

7

11

7

4.3

7

3.2

3.3

G-M4

7

10

10

5

12

5.8

3.3

G-M6

11

16

10

6

12

5.8

3.3

G-M6

11

18

10

7

12

6.5

3.3

G-M6

13

21

13

8

11.5

8.6

3.3

G-M6

13

25

15

10

13.5

10.6

3.3

G-PT1/8

51.3

M8x10

59

52

M10x10

71.4

62

M10x13

81

80

M12x15

102.5

Basic load rating

MSA 20 LE MSA 25 E

N

134.3

std.

MSA 20 E

45

169.5

W1

T2

106.4

137.7

Pitch

T1

93.6

111.2

Height

T

78

97

Width

L1

67.2

Rail dimension

MSA 15 E

M6x10

136.6

MSA 45 LE

Model No.

40

119.2

MSA 35 LE MSA 45 E

21.5

100.6

MSA 30 LE MSA 35 E

72.9 88.8

MSA 25 LE MSA 30 E

Carriage dimension

22.5

20 x 17 x 14

Static moment rating

Weight

Dynamic

Static

C

C0

MP

MY

MR

kN

kN

kN-m

kN-m

kN-m

Carriage kg

Rail kg/m 1.5

9.4

15.3

0.08

0.08

0.11

0.18

14.1

24.0

0.16

0.16

0.23

0.4

21.3

32.0

0.27

0.27

0.31

0.52

20.1

34.5

0.27

0.27

0.39

0.62

27.7

46.0

0.46

0.46

0.52

0.82

28.7

47.0

0.43

0.43

0.64

1.09

37.4

62.5

0.73

0.73

0.85

1.43

37.4

61.4

0.64

0.64

1.02

1.61

50.8

81.8

1.10

1.10

1.36

2.11

61.4

95.9

1.30

1.30

2.09

2.98

80.9

127.8

2.10

2.10

2.79

3.9

2.4

3.4

4.8

6.6

11.5

Dimensions of MSA-S / MSA-LS

W

MP

B

4-Sx l

T

MY

H

H2 W2

W1 MR

L

(G)

L1 4-

C

K

d1

N D

h H1

d E

P UnitĈmm External dimension

Model No.

MSA 15 S MSA 20 S

Height

Width

Length

H

W

L

W2

H2

B

C

Sxl

28

34

56.3

9.5

4.2

26

26

M4x5

30

44

MSA 20 LS MSA 25 S

40

48

45

60

5

32

81.6

97

55

70

111.2

12.5

6.5

35

16

8

40

70

86

137.7

9.5

50

20.5

10

60

169.5

Width

Height

Pitch

W1

H1

P

MSA 20 S

15 20

15 18

60 60

20 20

Dxhxd 7.5 x 5.3 x 4.5 9.5 x 8.5 x 6

MSA 20 LS MSA 25 S

23

22

60

20

11 x 9 x 7

MSA 25 LS MSA 30 S

28

26

80

20

14 x 12 x 9

MSA 30 LS MSA 35 S

34

29

80

20

14 x 12 x 9

MSA 35 LS MSA 45 S MSA 45 LS

45

38

105

22.5

N

G

K

d1

39.3

7.2

8.3

7

3.2

3.3

G-M4

8

5

12

5.8

3.3

G-M6

10

10

12

5.8

3.3

G-M6

11.7

10

12

6.5

3.3

G-M6

12.7

15

11.5

8.6

3.3

G-M6

16

20

13.5

10.6

3.3

G-PT1/8

59

M6x8

20 x 17 x 14

Grease Nipple

78

40

71.4

M8x10

93.6

50

81

M8x12

106.4

60

102.5

M10x17

134.3

Basic load rating

std.

MSA 15 S

35

80

E

T

67.2

72

Rail dimension Model No.

M5x6

60 18

L1

51.3

50

136.6

MSA 45 LS

36 50

119.2

MSA 35 LS MSA 45 S

12

100.6

MSA 30 LS MSA 35 S

72.9 88.8

MSA 25 LS MSA 30 S

Carriage dimension

Static moment rating

Weight

Dynamic

Static

C

C0

MP

MY

MR

kN

kN

kN-m

kN-m

kN-m

Carriage kg

Rail kg/m 1.5

9.4

15.3

0.08

0.08

0.11

0.18

14.1

24.0

0.16

0.16

0.23

0.3

21.3

32.0

0.27

0.27

0.31

0.39

20.1

34.5

0.27

0.27

0.39

0.52

27.7

46.0

0.46

0.46

0.52

0.68

28.7

47.0

0.43

0.43

0.64

0.86

37.4

62.5

0.73

0.73

0.85

1.12

37.4

61.4

0.64

0.64

1.02

1.45

50.8

81.8

1.10

1.10

1.36

1.9

61.4

95.9

1.30

1.30

2.09

2.83

80.9

127.8

2.10

2.10

2.79

3.7

2.4

3.4

4.8

6.6

11.5

GET/MD01/04.05

44

Dimensions of MSB-TE / MSB-E MP

W B MY

T1 T H

H2 MR

W1

W2

MSB-E

MSB-TE L

L

(G) K

L1

(G) K

L1

C

4-Ød1

4-Sxl

2-Sxl

N

N

ØD

h H1

Ød E

P

UnitĈmm External Dimension Model No.

MSB 15 TE

Height

Width

Length

H

W

L

24

52

MSB 15 E MSB 20 TE

28

59

H2

B

18.5

4.5

41

33

73

48

19.5

6

49

42

90

60.2

25

7

60

68

31

9.5

72

Height

Pitch

W1

H1

P

15

12.5

60

E 20

MSB 15 E MSB 20 TE

20

15

60

Dxhxd

20

23

18

60

20

28

MSB 30 E

23

80

20

N

G

K

d1

Grease Nipple

5

7

5.5

5.5

5.1

3.3

G-M4

M6x9

29

5

9

5.5

12

5.9

3.3

G-M6

7

10

6

12

6.3

3.3

G-M6

7

10

8

12

6.3

3.3

G-M6

48 M8x10

38.7 60.5

M10x10

43.3 72

Static moment rating

Dynamic

Static

C

C0

MP

MY

MR

kN

kN

kN-m

kN-m

kN-m

Weight Carriage kg

4.8

7.8

0.03

0.03

0.06

0.12

( 7.5 x 5.3 x 4.5 )

7.2

13.7

0.08

0.08

0.10

0.21

9.5 x 8.5 x 6

11 x 9 x 7

MSB 25 E MSB 30 TE

T1

J 6 x 4.5 x 3.5

MSB 20 E MSB 25 TE

-

23.5

T

Basic load rating

std.

MSB 15 TE

-

-

L1

40.5

40

96.7

Width

M5x7

35

Rail dimension Model No.

-

32

82

MSB 30 E

Sxl

C

26

67

MSB 25 E MSB 30 TE

W2

57

MSB 20 E MSB 25 TE

40

Carriage dimension

11 x 9 x 7

7.0

11.5

0.06

0.06

0.12

0.20

10.0

19.2

0.14

0.14

0.19

0.34

11.2

18.0

0.11

0.11

0.21

0.39

16.0

30.0

0.28

0.28

0.35

0.60

16.4

25.9

0.19

0.19

0.36

0.65

23.4

43.1

0.49

0.49

0.60

1.08

Rail kg/m 1.2

2

3

4.4

J Rail mounting holes for M3 (6x4.5x3.5) and M4 (7.5x5.3x4.5) are available for MSB15 rail. The codes of rail type are MSB15R for M3 mounting holes, and MSB15U for M4 mounting holes.

45

GET/MD01/04.05

Dimensions of MSB-TS / MSB-S MP

W B

MY T

H

H2

MR W2

W1

MSB-S (G) K

MSB-TS

L

L

L1

L1

(G) K

C

4-Ød1

4-Sxl

2-Sxl

N

N

ØD

h H1

Ød E

P

UnitĈmm External dimension Model No.

MSB 15 TS

Height

Width

Length

H

W

L

24

34

MSB 15 S MSB 20 TS

28

42

H2

B

9.5

4.5

26

48

33

48

60.2

11

6

32

42

60

68

12.5

7

35

16

9.5

40

96.7

Width

Height

Pitch

W1

H1

P

E

15

12.5

60

20

MSB 15 S MSB 20 TS

20

15

60

20

23

18

60

20

Dxhxd

MSB 30 S

28

23

80

20

G

K

d1

6

5.5

5.5

5.1

3.3

G-M4

6

5.5

12

5.9

3.3

G-M6

8

6

12

6.3

3.3

G-M6

8

8

12

6.3

3.3

G-M6

Grease Nipple

-

29

M5x7

48

-

38.7

M6x9

60.5

-

43.3

M8x12

72

Static moment rating

Weight

Dynamic

Static

C

C0

MP

MY

MR

kN

kN

kN-m

kN-m

kN-m

Carriage kg

J 6 x 4.5 x 3.5

4.8

7.8

0.03

0.03

0.06

0.09

( 7.5 x 5.3 x 4.5 )

7.2

13.7

0.08

0.08

0.10

0.16

9.5 x 8.5 x 6

11 x 9 x 7

MSB 25 S MSB 30 TS

N

Basic load rating

MSB 20 S MSB 25 TS

T

40.5

40

std.

MSB 15 TS

23.5

M4x6

35

Rail dimension Model No.

-

32

82

MSB 30 S

L1

Sxl

C

26

67

MSB 25 S MSB 30 TS

W2

57

MSB 20 S MSB 25 TS

40

Carriage dimension

11 x 9 x 7

7.0

11.5

0.06

0.06

0.12

0.16

10.0

19.2

0.14

0.14

0.19

0.26

11.2

18.0

0.11

0.11

0.21

0.29

16.0

30.0

0.28

0.28

0.35

0.45

16.4

25.9

0.19

0.19

0.36

0.52

23.4

43.1

0.49

0.49

0.60

0.86

Rail kg/m 1.2

2

3

4.4

J Rail mounting holes for M3 (6x4.5x3.5) and M4 (7.5x5.3x4.5) are available for MSB15 rail. The codes of rail type are MSB15R for M3 mounting holes, and MSB15U for M4 mounting holes.

GET/MD01/04.05

46

AMT Linear Guideway Request Form DateĈ AddressĈ

Customer NameĈ TelĈ FaxĈ

Machine TypeĈ

Contact PersonĈ

Drawing No.Ĉ

Installation Direction ś

ś

Carriage Type

MSA- ś!A ś LA ś E ś LE ś S ś LS

No. of Carriages

ś1

Rail Type

ś Counter-bore (R type)

Preload Grade

ś FC ś F0 ś F1

Accuracy Grade

śN

śH

śP

Rail per Axis

ś1

ś2

ś3

Dust Protection

ś No symbol ś UU ś SS ś ZZ ś DD ś KK ś LL ś RR

Lubrication Type

ś Grease

Lubrication Fitting

ś Grease nipple (CodeĈ!!!!!

ś3

ś 30 ś4

ś 35

ś

ś 15

ś2

ś 25

ś

Size

Rail Length & Pitch

ś 20

ś ś 45

MSB- ś TE ś E ś TS ś S

ś OthersĈ ś Counter-bore (U type)

ś SP

ś Tapped hole (T type)

ś UP

ś OthersĈ

ś Oil

LengthĈ

E1Ĉ

)

ś Oil piping joint (CodeĈ!!!!! E2Ĉ

E3Ĉ

)

E4Ĉ

Full Code of Specification

Required Quantity Reference surface & Lubrication Location

Lubrication Location and direction Carriage reference surface Rail reference surface E3

E4

E1

E2

Master rail Subsidiary rail

Rail reference surface Carriage reference surface

Carriage reference surface Rail reference surface

Master rail Subsidiary rail

Rail reference surface Carriage reference surface

*Nonspecified cases followed by AMT standards, please see Page 24. For other special requirements, please contact us. The specifications in this catalogue are subject to change without notification.

47

GET/MD01/04.05