CHINA MS TECHNOLOGY CO., LTD. (MS MOTOR CO.,LTD.)
28JMDS50K/35ST

28mm Planetary Gearbox.Permissible Load Range: 1.5N.m~5.0N.m

Planetary Gearbox

Bearing at output

 Ball bearings

Sleeve bearings

Max. Radial load10mm from flange

100N

100N

Max. shaft axial load

50N

50N

Radial play of shaft near to flange

≤0.08 mm

≤0.1 mm

Axial play of shaft

≤0.3 mm

≤0.3 mm

35ST Hybrid Stepping Motor Specifications

Model No.

Current

/Phase

Resistance

/Phase

lnductance

/Phase

Holding

Torque

Detent

Torque

# of

Leads

Rotor

lnertia

Weight

Length

L1

Single Shaft

A

Ω

mH

N.m

N.m

#

g-cm2

kg

mm

FL35ST28-0504A

0.5

20

14

0.1

0.008

4

11

0.14

28±1

FL35ST36- 1004A

1.0

2.7

4.3

0.14

0.01

4

14

0.18

36±1

A–Single Shaft, B– Double shaft.

Planetary Gearbox Specifications

Reduction ratio

4

6

16

24

36

64

96

144

216

Accurate Reduction Ratio

4.00

6.00

16.00

24.00

36.00

64.00

96.00

144.00

216.00

Number of gear trains

1

2

3

Length(L2)          mm

28.9

35.8

42.7

Max. rated torque

N.m

1.5

2.5

4.0

Short time permissible torque

N.m

4.5

7.5

12

Efficiency                          %

90%

81%

73%

Backlash at no-load

0.5°

1.0°

1.5°

Weight                               g

75

97

119

35ST Pull Out Torque Curve


image.pngimage.png

Dimensions

image.png

Integer reduction ratio of planetary gear motor.


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