MG-B (Movoparts): Slide Guided, Belt Driven Linear Units

Thomson's Movopart® MG-B rodless actuator, slide guided versions are designed to move light loads at medium application speeds with low friction for precise positioning. With guided linear motion through a belt drive and a saddle that rides along the top of the actuator to carry the load, this design is ideal for industrial or material handling applications.

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

Overview

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MG-B Specifications:

Specifications / Shaft Size	M50	M55	M75	M100
Profile size (w x h): mm (in)	50 x 50 (2.0 x 2.0)	58 x 50 (2.3 x 2.0)	86 x 75 (3.4 x 3.0)	108 x 100 (3.4 x 3.0)
Type of belt	GT 5MR-19	22-STD SM5-HP	STD5-40	STD8-50
Max Stroke Length: mm (in)	5000 (197)	7000 (276)	12000 (472)	12000 (472)
Max Linear Speed: m/s (in/s)	5 (197)	5 (197)	5 (197)	5 (197)
Max Acceleration: m/s2 (in/s2)	40 (1575)	40 (1575)	40 (1575)	40 (1575)
Repeatability: ± mm (in)	0.2 (0.008)	0.2 (0.008)	0.2 (0.008)	0.2 (0.008)
Max Input Speed: rpm (rev/s)	2300 (38.3)	2850 (47.5)	2300 (38.3)	1700 (38.3)
Operating Temperature: °C (°F)	-20 to 70 (-4 to 158)	-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 (90) 200 (45)	400 (90) 200 (45)	900 (202) 450 (101)	1200 (202) 625 (101)
Max Dynamic Load (Fy): N (lbf) complete unit	400 (90)	400 (90)	1485 (334)	3005 (334)
Max Dynamic Load (Fz): N (lbf) complete unit	400 (90)	400 (90)	1485 (334)	3005 (334)
Max Dynamic Torque (Mx): Nm (lbf-in) complete unit	5 (44.3)	9 (79.7)	49 (433.7)	117 (433.7)
Max Dynamic Torque (My): Nm (lbf-in) complete unit	21 (185.9)	21 (185.9)	85 (752.3)	279 (752.3)
Max Dynamic Torque (Mz): Nm (lbf-in) complete unit	21 (185.9)	21 (185.9)	85 (752.3)	279 (752.3)
Max Drive Shaft Force (Frd): N (lbf)	350 (78.7)	200 (45.0)	600 (134.9)	1000 (134.9)
Max Drive Shaft Torque (Mta): Nm (lbf-in)	10 (88.5)	7 (62.0)	30 (265.5)	45 (265.5)
Pulley Diameter: mm (in)	41.38 (1.63)	33.42 (1.32)	41.38 (1.63)	56.02 (1.63)
Stroke per shaft revolution: mm (in)	130 (5.12)	105 (4.13)	130 (5.12)	176 (5.12)
Weight: kg (lb) of unit with zero stroke of every 100 mm of stroke of carriage	0.71 (1.6) 0.96 (2.1) 0.33 (0.7)	4.1 (9.0) 0.41 (0.9) 1.10 (2.4)	6.30 (13.9) 0.67 (1.5) 1.50 (3.3)	6.30 (13.9) 0.67 (1.5) 1.50 (3.3)

MG-B 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

Patented internal self-adjusting prism slide guides
Can be installed in all directions
Easy T-slot mounting
Wash down protection
Long travel
High speed

VIDEO: Linear Systems: Limit Switch Setup

Thomson Engineers show how to apply limit switch tracks to all linear units. If you order your limit switch kit with your linear unit, it will come pre-installed. But if you adjust those sensors or if you order it separately, it is very easy to post-install. Switches can be normally closed or opened and come with a cover strip for protection.

VIDEO: Prism-guided System Optimized For Washdown

Thomson introduces the benefits of the Movopart M75 belt driven, prism guide unit that is set up with a wash down option. The prism guides are an engineered polymer that slide along the extrusion. These types of bearings are ideal for shock loads, low noise, or have a wash down or caustic environment.

Brochures

Linear Units Quick Selection Guide	1333 KB	Email
Linear Motion Systems	1257 KB	Email
Linear Motion Systems	1425 KB	Email
Linear Units Overview	1057 KB	Email
Linear Units Overview	1573 KB	Email
Linear Units Quick Selection Guide	427 KB	Email

Catalogs

Linear Motion Systems	8394 KB	Email
Linear Motion Systems	8418 KB	Email
Linear Motion Systems	8430 KB	Email
Linear Motion Systems	11656 KB	Email

Calculation Support

Average Load Calculation (Release 3)	107 KB	Email
Linear Units Sizing & Selection	823 KB	Email
Mechanical Motion Calculation (Release 6)	302 KB	Email
Move Motion Profile Calculation (Release 3)	93 KB	Email
Multi-Axis Cycle Time Calculation (Release 3)	98 KB	Email
Movopart M50 Sizing & Selection Calculation (Release 10)	412 KB	Email
Movopart 55-75-100 Sizing & Selection Calculation (Release 25)	1087 KB	Email

Manuals

Movopart M55, M75, M100 Installation and Service	1378 KB	Email
Movopart M50 Installation and Service	753 KB	Email
Rapidtrak M100, 75, 55 Installation and Operation	3163 KB	Email

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