CHINA MS TECHNOLOGY CO., LTD. (MS MOTOR CO.,LTD.)
42JMS100K/42STH

42mm OD Planetary Gearbox.Permissible Load Range: 3N.m~10N.m

Planetary Gearbox

Ring material

Metal Powder meta F

Bearing at output

Ball bearings

Max. Radial load(12mm from flange)

200N

Max.shaft axial load

100N

Radial play of shaft( near to flange)

≤0.06 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.m

kg

mm

42STH33-1334A

2.8

1.33

2.1

2.5

2.2

4

35

0.22

34

≤1:189

42STH38-

1684A

2.8

1.68

1.65

3.2

3.6

4

54

0.28

40

≤1:71

A-Single Shaft, B-Double shaft.

Planetary Gearbox Specifications

Reduction ratio

3.71

5.18

14

19

27

51

71

100

139

189

264

369


Number of gear trains

1

2

3

4

Length(L2) mm

31.5

42.1

52.5

62.9

Max. rated torque

kg.cm

30

50

100

100

Short time permissible torque

kg.cm

90

150

300

300


Efficiency         %

90%

81%

73%

66%

Backlash at no-load

0.5°

1.0°

1.5°

1.5°

W e i g h t             g

208

290

372

454

Dimensions

image.png

Frequency-torque characteristics

image.pngimage.png

Ring gear can be selected within the two materials: Metal(Type:42JMS100K),Powder metal(Type:42JMSF100K).


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