Four-stage micro-gearboxes

2 companies | 7 products
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planetary micro-gearbox
planetary micro-gearbox
RP16

Gear ratio: 4 unit - 509 unit

... Suitable for micro robot joints, infusion/syringe pumps and optical adjustment mechanisms. Multi‑ stage planetary options enable fine speed control and smooth torque output.

RP16 gearbox technical ...

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Dongguan KWC Machinery Co., Ltd.
planetary micro-gearbox
planetary micro-gearbox
RP22

Rotational speed: 0 rpm - 8,000 rpm
Gear ratio: 0 unit - 0.25 unit

... mm

  • Available gear reduction ratios: 1/4 to 1/509 across 1 to 4 stages
  • Length L by stage: 1‑stage 14.4 ±0.5 mm; 2‑stage 17.9 ±0.5 mm; 3‑stage 21.4 ±0.5
  • ...

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    Dongguan KWC Machinery Co., Ltd.
    planetary micro-gearbox
    planetary micro-gearbox
    RP28

    Gear ratio: 0 unit - 0.25 unit

    ... 256~1/625

  • Stages: 1, 2, 3, 4
  • Lengths L (mm): 23.3 ±0.5, 29.0 ±0.5, 34.7 ±0.5, 40.4 ±0.5
  • Rated torque: 0.1 N·m (1-stage) to 1.0 N·m (4-stage)
  • Max momentary torque: up to
  • ...

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    Dongguan KWC Machinery Co., Ltd.
    planetary micro-gearbox
    planetary micro-gearbox
    RP36

    Gear ratio: 3.7 unit - 721 unit

    ... 1/189 ~ 1/721

  • Length L (mm) by stages: 1-stage 26.5 ±0.5; 2-stage 32.7 ±0.5; 3-stage 39.0 ±0.5; 4-stage 45.0 ±0.5
  • Efficiency examples by stages:
  • ...

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    Dongguan KWC Machinery Co., Ltd.
    planetary micro-gearbox
    planetary micro-gearbox
    RP45

    Gear ratio: 3.7 unit - 721 unit

    ... ratios: 1/3.7 ~ 1/721 (1–4 stages)

  • Gearbox lengths (L): 1-stage 41.3 ±0.5 mm; 2-stage 51.6 ±0.5 mm; 3-stage 64.4 ±0.5 mm; 4-stage 74.7 ±0.5 mm
  • Efficiency
  • ...

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    Dongguan KWC Machinery Co., Ltd.
    planetary micro-gearbox
    planetary micro-gearbox
    P16

    Gear ratio: 4 unit - 864 unit

    ... tolerances for integration.

    Technical specifications

    • Compact planetary stage designed for φ16 mm outer-diameter interfaces
    • Multiple-stage configurations provide higher reduction ratios
    ...

    spur micro-gearbox
    spur micro-gearbox
    P12 spur

    Gear ratio: 0 unit - 0.03 unit

    ... Product overview
    P12 spur gearhead designed for micromotor applications. Outer diameter φ12 mm. Simple mechanical structure with low internal loss to maintain high transmission efficiency. Outline drawing (PDF) and CAD data ...

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