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Planetary Transmission

An assembly of meshed gears consisting of a central or sun gear, a coaxial internal or ring gear, and one or more intermediate pinions supported on a revolving carrier. Sometimes the term planetary gear train is used broadly as a synonym for epicyclic gear train, or narrowly to indicate that the…

An assembly of meshed gears consisting of a central or sun gear, a coaxial internal or ring gear, and one or more intermediate pinions supported on a revolving carrier. Sometimes the term planetary gear train is used broadly as a synonym for epicyclic gear train, or narrowly to indicate that the ring gear is the fixed member. In a simple planetary gear train the pinions mesh simultaneously with the two coaxial gears (see illustration). With the central gear fixed, a pinion rotates about it as a planet rotates about its sun, and the gears are named accordingly: the central gear is the sun, and the pinions are the planets.

This is a compact, 'single' stage planetary gearset where the output is derived from a second ring gear varying a few teeth from the primary.

With the initial model of 18 sun teeth, 60 ring teeth, and 3 planets, this resulted in a 'single' stage gear reduction of -82.33:1.

A regular planetary gearset of this size would have a reduction ratio of 4.33:1.

That is a whole lot of torque in a small package.

At Nominal Voltage

Voltage (Nominal) 12V

Voltage Range (Recommended) 3V - 12V

Speed (No Load)* 52 rpm

Current (No Load)* 0.21A

Current (Stall)* 4.9A

Torque (Stall)* 291.6 oz-in (21 kgf-cm)

Gear Ratio 231:1

Gear Material Metal

Gearbox Style Planetary

Motor Type DC

Output Shaft Diameter 4mm (0.1575”)

Output Shaft Style D-shaft

Output Shaft Support Dual Ball Bearing

Electrical Connection Male Spade Terminal

Operating Temperature -10 ~ +60°C

Mounting Screw Size M2 x 0.4mm

Product Weight 100g (3.53oz)

1

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Product Quick Detail:

  • Standard and non-standard available
  • With high quality and competitive price
  • Prompt delivery
  • Packing as per customer’s demand.

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Most of our products are exported to Europe or Americas, both standard and nonstandard products available. We can produce as per your drawing or sample. Material can be standard or as per your special request. If you choose us, you choose reliable.

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Materials Available

1. Stainless Steel: SS201, SS303, SS304, SS316, SS416, SS420
2. Steel:C45(K1045), C46(K1046),C20
3. Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200(CuZn37), C28000(CuZn40)
4. Bronze: C51000, C52100, C54400, etc
5. Iron: 1213, 12L14,1215
6. Aluminum: Al6061, Al6063
7.OEM according to your request
product materials available

Surface Treatment

Annealing, natural canonization, heat treatment, polishing, nickel plating, chrome plating, zinc plating,yellow passivization, gold passivization, satin, Black surface painted etc.

Processing Method

CNC machining, punch,turning, milling, drilling, grinding, broaching, welding and assembly
product finishing

QC & Certificate

Technicians self-check in production,final-check before package by professional Quality inspector
ISO9001:2008 , ISO14001:2001,ISO/TS 16949:2009

Package & Lead Time

Size: Drawings
Wooden Case/Container and pallet, or as per customized specifications.
15-25days samples. 30-45days offcial order
Port: Shanghai/Ningbo port
product packages