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  5. MG-K (Movoparts): Slide Guided, Screw Driven Linear Units
MG-K (Movoparts): Slide Guided, Screw Driven Linear Units

MG-K (Movoparts): Slide Guided, Screw Driven Linear Units

Thomson's Movopart® MG-K rodless actuator slides provide guided linear motion through a ball screw drive and a saddle that rides along the top of the actuator to carry the load. These units are designed with low cost in mind, high speed, thrust, and stroke length capabilities.

The Cover Band Stretcher extends the life of the cover band, which protects screw and guide from contaminants and eliminates the need to adjust the tension as it wears.

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Overview

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MG-K 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)
Screw Type ball screw
w/ single nut		 ball screw
w/ single nut		 ball screw
w/ single nut
Max Stroke Length: mm (in) 3000 (118) 4000 (158) 6000 (236)
Max Linear Speed: m/s (in/s) 1 (39.4) 1.6 (63.0) 1.6 (63.0)
Max Acceleration: m/s2 (in/s2) 8 (315) 8 (315) 8 (315)
Repeatability: ±mm (in)  0.05 (0.002)  0.05 (0.002) 0.05 (0.002)
 Max Input speed: rpm  3000  3000  3000
 Operating Temperature: °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) 1000
(224.8)		 2500 (562.0) 5000 (1124)
Max Dynamic Load (Fy): N (lbf) 400 (89.9) 1485 (333.7) 3005 (675.3)
Max Dynamic Load (Fz): N (lbf) 400 (89.9) 1485 (333.7) 3005 (675.3)
Max Dynamic Torque (Mx): Nm (lbf-in)
complete unit		 9 (79.7) 49 (433.7) 117 (1035.5)
Max Dynamic Torque (My): Nm (lbf-in) 23 (203.6) 85 (752.3) 279 (2469.4)
Max Dynamic Torque (Mz): Nm (lbf-in) 23 (203.6) 85 (752.3) 279 (2469.4)
Max Drive Shaft Force: N (lbf) 200 (45) 600 (135) 1000 (225)
Max Drive Shaft Torque: Nm (lbf-in) 12 (106) 30 (266) 45 (398)
Screw Diameter: mm (in) 16 (0.63) 20 (0.79) 25 (0.98)
Screw Lead: mm (in) 5, 10, 20
(0.2, 0.4, 0.8)		 5, 12.7, 20
(0.2, 0.5, 0.8)		 5, 10, 25
(0.2, 0.4, 1.0)
Weight: kg (lb) 
unit with zero stroke
every 100 mm of stroke
carriage
option single screw support
option double screw supports		  
3.9 (8.6)
0.56 (1.23)
1.20 (2.65)
0.83 (1.83)
1.88 (4.15)		  
6.9 (15.2)
1.05 (2.32)
2.5 (5.51)
1.7 (3.75)
3.58 (7.89)
14.3 (31.5)
1.72 (3.79)
4.0 (8.82)
1.86 (4.1)
4.42 (9.7)

MG-K Feature Highlights:

  • Modular mounting feet
  • Limit switch brackets mount to T-slot
  • Self-adjusting stainless steel cover band
  • Multiple saddle sizes
  • Single and dual nut support
  • Load holding brake required
  • High moment loading
  • Wash down protection
  • Patented internal self-adjusting prism slide guides
  • Can be installed in all directions
  • Easy T-slot mounting
  • Wash down protection
  • Long travel
  • High speed
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