CHINA MS TECHNOLOGY CO., LTD. (MS MOTOR CO.,LTD.)
52JMS300K/42STH

52mm OD Planetary Gearbox.Permissible Load Range: 9N.m~30N.m

Planetary Gearbox

Ring material

Metal

Bearing at output

Ball bearings

Max. Radial load(12mm from flange)

300N

Max, shaft axial load

200N

Radial play of shaft( near to flange)

≤0.08 mm

Axial play of shaft

≤0.3 mm

42STH Hybrid Stepping Motor Specifications

Model No.

Rated

Voltage

Current

/Phase

Resistance

/Phase

Inductance

/Phase

Holding

Torque

# of

Leads

Rotor

Inertia

Weight

Length

L1

Max. Gear

Ratio

Single Shaft

V

A

Q

mH

kg.cm


g.m²

kg

mm

42STH47-1684A

2.8

1.68

1.65

2.8

4.4

4

68

0.5

60

≤1:276

42STH60-

1206A

7.2

1.2

6

7

5.6

6

102

0.5

60

≤1:198

A-Single Shaft, B-Double shaft.

Planetary Gearbox Specifications

Reduction ratio

3.60

4.25

13

15

18

47

55

65

77

96

121

153

187

220


Number of gear trains

1

2

3

4

Length(L2) mm

45.7

57.2

68.5

79.8

Max. rated torque

kg.cm

90

150

300

300

Short time permissible torque

kg.cm

270

450

900

900


Efficiency         %

90%

81%

73%

66%

Backlash at no-load

0.5°

1.0"

1.5°

1.5°

W e i g h t             g

428

554

680

860

Dimensions

image.png

Frequency-torque characteristics

image.png

Gearbox 52JMS300K:52mm OD Precision Planetary gearbox, Permissible Load Rnge:300kg.cm.


Sales emailsales@ms-motor.com; msmotor@126.com