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Shenzhen ZhaoWei Machinery & Electronics Co. Ltd.
Shenzhen ZhaoWei Machinery & Electronics Co. Ltd. --The World Leading Micro Gearbox Specialist
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8mm 4.2V Micro Plastic Planetary Gearbox For Enlarging Torque , DC Motor Brush

Shenzhen ZhaoWei Machinery & Electronics Co. Ltd.
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Shenzhen ZhaoWei Machinery & Electronics Co. Ltd.
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-27322645
Contact Person:
Miss Zhang

8mm 4.2V Micro Plastic Planetary Gearbox For Enlarging Torque , DC Motor Brush

Brand Name : Zhaowei
Model Number : ZWPD008008-69
Certification : ROHS/ISO9001/ISO14001/SGS/TS16949
Place of Origin : China
MOQ : 500pcs
Price : negotiation
Payment Terms : T/T, Western Union
Supply Ability : 5 000 pcs per day
Delivery Time : 15 working days after payment
Packaging Details : packed in nylon firstly, then carton, and then reinforced with wooden case for outer packing
Type : DC motor brush
Voltage : 4.2 or customised
Material : plastic
Diameter : 8mm
Reduction Ratio : 69 or customised
Rated Load Torque : 44
Rated Load Speed : 162rpm
No Load Speed : 207rpm
No Load Current : 95mA MAX
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8mm 4.2V Micro Plastic Planetary Gearbox for Enlarging Torque

Quixk Details

Technical Parameter




DC brush motor

reduction ratio

4-809 or customized

noise level

less than 40dB

life time

500 hours

working temperature

-40 to 95℃

Axial clearance




Suitable for

Optical equipment, Medical device, Electronic switch(lock), Toy, Robot, Electric toothbrush, E-cigarette, and etc.

OSD Language

English, Chinese, French, German, Italian, Spanish, Arabic

The basic specifications for reference only, specifications can be customized.


ModelTypical Application ParametersMax Rated Torque of Gear BoxMax Instant Torque of Gear BoxGear RatioGear Box Length
RatedAt No LoadAt Rated LoadOverall Length

above specifications just for reference and customizable according to requirements.

Competitive Advantage

  • 18-year experience in manufacturing motor gearbox
  • Experienced Staff: average 7-year experience in R&D , ODM &OEM
  • International Approvals: ROHS/ISO9001/ISO14001/SGS/TS16949
  • Competitive Price
  • High Product Performance: Low noise, High efficiency, Long lifespan
  • Prompt Delivery: 15 working days after payment
  • Quality Approvals
  • Small Orders Accepted
  • Partners: HUAWEI, Panasonic, Bosch, SAMSUNG, other World Fortune 500 companies, etc.
  • Advanced equipments: Agie Wire cutting machines, Agie EDM, Makino, EDM, Roders CNC, Sodick and Sumitomo Precision Injection Machines, etc


Optical equipment, Medical device, Electronic switch(lock), Toy, Robot, Electric toothbrush, E-cigarette, and etc.

Quality Control

* Life Test : being continuously working for required period of time, then stop, then repeat

* Noise Test : being put at the distance of 1m (or other requirements) to the test equipments to test the noise

* Water-proof Test : being put 10mm under the water working for 2 weeks and 100m under the water working for 12 hours

* Salt Spray Test : salt spray can test the products’ resistance to corrosion
* Impact Test
* Storage Test : being stored under normal temperature for 1 or 2 years to test stability
* Environmental Related Substance

Main Products

1) Precise component and assembly of plastic and metal powder injection;
2) Precise motor gear box reducer: diameter 4-40mm,
Output speed: 5-2000rpm,
Reduction ratio: 2-2000,
Output torque: 1.0gf-cm to 50Kgf-cm;
3) Customized worm and gear transmission machinery;
4) Precise electromechanical motion module.

Manufacturering Process

Process NameEquipmentWorking Time/sNumber of Working PeopleOperation Instruction No.Engineering Specification
planet carrier shafthand-punchJ3-0.07110.00.5OI-11009-36-01①shaft press-in height H:0~-0.2mm(reset on planet carrier)②shaft extrusion force:>5Kg
assemblely the planetary gear on carrierhand-punchJ01-0.04118.01OI-11009-36-02planet carrier height H:10.7±0.1mm
fixture planet carrierTPD028028-041
assembly the gearbox(1)oiling machineTAD-200S235.02OI-11009-36-03oil amount:0.3-0.4g/time
oil tube/2
assembly the motor onto the baseelectric screwdriverPOL-3200B112.01OI-11009-36-04screwdriver torque force:3.0-3.5Kg·cm
motor holding seatT012012-031
assembly the motor and the gearbox//113.01OI-11009-36-05/
gearbox+springoiling machineTAD-200S117.01OI-11009-36-06oil amount:0.2-0.3g/time
oil tube/1
srping loading toolingT11009-031
assembly self-lock cover+twister+output shaft+covertweezer/116.01OI-11009-36-07oil amount:0.02-0.1g /time
mark pen/1
loaded unusual noise testload test toolingT11009-02116.01OI-11009-36-08volt:12.0VDC
loaded current:<load:7Kg
power packPS-305DM1
energized clip/tweezer/1
performance testmotor comprehensive testerTM-MTB115.01OI-11009-36-09①voltage:12.0VDC
④noise:≤54dB (5cm)
⑤self-locking force:>0.7N·M
energized clip/
laser printinglaser printerBJ66500617.00.5OI-11009-36-10/
stationary fixtureT11009-071
install the gasket+gluecylinder needle/115.01OI-11009-36-11/
appearance+packagepacking tape dispenser//12.01OI-11009-36-12/

2D Drawing

Product Showcase:

Product Tags:

high speed planetary gearbox


miniature dc motor

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8mm 4.2V Micro Plastic Planetary Gearbox For Enlarging Torque , DC Motor Brush Images

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