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Home / Product / Geared Stepper Motor / Planetary Gear Stepper Motor / 22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor
22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor

22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor

Product 22JXS20K/20STH is a standard reducer with an outer diameter of 22 mm, and the allowable torque range is 0.6N.m~2.0N.m.
A number of planetary wheels are evenly distributed around the sun wheel to share the load and can withstand large torque. By reasonably designing the transmission ratio of the planetary gear train, the output torque of the stepper motor can be amplified several times to tens of times to meet the driving requirements under different load conditions. By adjusting the deceleration ratio, the stepper motor can operate stably at lower speeds, avoid high-speed out-of-step problems, and expand the speed range of the system.

  • 22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor
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22JXS20K/20STH

22mm Standard Gearbox,

Permissible Load Range: 0.6N.m~2.0N.m

Planetary Gear Stepping Motor（Ring Gear Material: Metal）

Dimensions

Planetary

Ring material

Metal

Bearing at output

Ball bearings

Max. Radial load （10mm from flange）

≤20N

Max. shaft axial load

≤10N

Radial play of shaft （near to flange）

≤0.08 mm

Axial play of shaft

≤0.3 mm

Backlash at no-load

≤1.5°

Technical Data

20STH Hybrid Stepping Motor Specifications

Model No.

Rated Voltage

Current/Phase

Resistance/Phase

Inductance/Phase

Holding Torgue

# of Leads

Rotor Inertia

Weight

Length L1

Max. Gear Ratio

Single Shaft

V

A

Ω

mH

g.cm

g-m²

g

mm

20STH33-0604A

3.9

0.6

6.5

1.7

180

4

2

60

33

≤1:369

20STH42-0804A

4.32

0.8

5.4

1.5

300

4

3.6

80

42

≤1:264
22JXS20K 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

24.4

33

41.5

49.8

Max. rated torque kg.cm

6

10

16

20

Short time permissible torque kg.cm

18

30

48

60

Efficiency %

90%

81%

73%

66%

Weight g

35

45

55

65

Frequency-torque Characteristics

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About
Zhejiang Dongzheng Motor Co.,Ltd.

Dongzheng Motor was established in 2003, 22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor Suppliers in China. The company has more than 100 independent intellectual property rights, including 9 valid invention patents and 75 valid utility model patents and others. The factory has more than 140 employees and covers an area of more than 7000 square meters, construction area of 15000 square meters. As 22JXS20K/20STH 0.6N.m~2.0N.m Planetary Gear Stepping Motor Company, our well-equipped testing laboratory conducts comprehensive quality testing from materials to finished products to ensure product quality. We have supporting automation equipment that can ensure the improvement of production capacity and the control of process accuracy.

At present, our products are mainly DC gear motors, planetary gear motors, worm gear motors and micro reducers, etc. And widely used in service robots, medical equipment, financial apparatus, intelligent office equipment, solar tracker systems, rehabilitation and health equipment, automatic doors, etc. Our products are exported to the United States, Europe, Israel, Korea, Japan, Taiwan and other countries and regions.

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