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  5. MF-B (Movoparts): Ball Guided, Belt Driven Linear Units
MF-B (Movoparts): Ball Guided, Belt Driven Linear Units

MF-B (Movoparts): Ball Guided, Belt Driven Linear Units

Thomson's Movopart® MF-B linear rodless actuator slides provide guided linear motion through a belt drive and saddle that rides along the top of the actuator to carry the load. These units are designed with high speed and accelerations with long stroke length capabilities. The ball guided versions of this product family are designed to provide medium accuracy, speed, and thrust application capacities with low friction for precise positioning. Double carriage options are available.

The self-adjusting cover band stretcher extends the life of the cover band, which protects belt and guide from contaminants.

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Overview

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MF-B Specifications:

Specifications / Shaft Size M55 M75 M100
Profile Size (w x h): mm (in)  58 x 55
(2.3 x 2.2)		  86 x 75
(3.4 x 3.0)		  108 x 100
(4.3 x 3.9)
Type of belt:  22-STD
SM5-HP		  STD5-40 STD8-50
Max Stroke Length: mm (in) 7000 (276) 12000 (472) 12000 (472)
Max Speed: m/s (in/s) 5.0 (197) 5.0 (197) 5.0 (197)
Max Acceleration: m/s2 (in/s2)  40 (1575)  40 (1575)  40 (1575)
Repeatability: mm (in)  0.1 (0.004)  0.1 (0.004)  0.1 (0.004)
Max Input Speed: rpm (rev/s) 2850 2300 1700
Temperature Range: °C (°F) -20 to 70
(-4 to 158)		 -20 to 70
(-4 to 158)		 -20 to 70
(-4 to 158)
 Max Dynamic Load (Fx): N (lbf)
< 2.5 m/s
> 2.5 m/s		  
400 (89.9)
200 (45)		  
900 (202)
450 (101)		  
1250 (281)
625 (141)
Max Dynamic Load (Fy): N (lbf)  750 (169)  1750 (393)  4000 (899)
Max Dynamic Load (Fz): N (lbf)  750 (169)  1750 (393)  4000 (899)
Max Dynamic Load Torque Mx: Nm (lbf-in) 5 (44.3) 16 (142) 43 (381)
Max Dynamic Load Torque My: Nm (lbf-in) 29 (257) 84 (744) 280 (2478)
Max Dynamic Load Torque Mz: Nm (lbf-in) 29 (257) 84 (744) 280 (2478)
Max Drive Shaft Force Frd: N (lbf)  200 (45)  600 (135)  1000 (225)
Max Drive Shaft Torque Mta: Nm (lbf-in) 12 (106) 30 (266) 45 (398)
Pulley Diameter: mm (in) 33.4 (1.3) 41.4 (1.6) 56.02 (2.2)
Stroke per shaft revolution: mm (in) 105 (4.13) 130 (5.12) 176 (6.93)
Weight: kg (lb)
of unit with zero stroke
of every 100 mm of stroke
of carriage		  
4.8 (10.6)
0.53 (1.17)
1.20 (2.65)
7.5 (16.5)
0.88 (1.94)
2.0 (4.41)
11.61 (25.6)
1.43 (3.15)
2.20 (4.85)

MF-B Feature Highlights:

  • Robust and reliable
  • Can be installed in all directions
  • Patented internal self-adjusting prism slide guides
  • Self-adjusting stainless steel cover band
  • Limit switch brackets mount to T-slot
  • Carriage thrust loads to 5000 N
  • Modular mounting feet
  • Wash down protection
  • Multiple saddle sizes
  • No stick-slip
  • Low drive torque
  • Low friction
  • Playfree guide
  • High speed
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