Changzhou Changkun Electric Drive Technology Co.,Ltd
                                                                                                           
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28mm Precision Planetary Reducer Compact Size For Medical Equipment

Price Negotiable
Price: USD / pcs
MOQ: 5~10 pcs
Delivery Time: 3~4 weeks
Brand: CKun Motor
Product Description

28mm Planetary Reducer Copywriting

28mm Precision Planetary Reducer | Compact Size, High Torque, Precise Transmission

Powerful performance built into a compact frame.
 
The 28mm planetary reducer features a φ28mm ultra-small outer diameter and lightweight design under 100g. It delivers efficient power transmission in limited spaces, serving as an ideal drive core for miniature automation equipment.
 

Core Advantages

  • Precise Transmission & Low Backlash
    Adopts 20CrMnTi carburized and quenched hardened gear surface with aerospace-grade grinding precision. Single-stage backlash ≤15 arcmin for accurate positioning and zero transmission clearance.
     
  • High Efficiency & High Torque
    Multi-stage planetary gear meshing, with a maximum transmission efficiency of 95%. Output torque up to 4N·m, enabling high-load driving with low-power motors and energy saving.
     
  • Stable Performance & Long Service Life All-steel hardened gears matched with premium bearings, running noise ≤60dB with smooth operation. Resists high temperature from -20℃ to +85℃ and wear, service life over 8000 hours.
     
  • Wide Compatibility & Easy InstallationRich gear ratio options from single-stage 3.7/5.2 to four-stage 1296. Perfectly compatible with 28mm stepper, brushless and servo motors. Standard round flange and mounting holes for plug-and-play installation.
     
 

Application Scenarios

Widely used in medical equipment (dental chairs, infusion pumps) , service robots, smart home products (electric curtains, door locks) , automated production lines and precision instruments. It provides an optimal solution for precise motion control in narrow installation spaces.
 

Key Parameters

 
Item Specification
Outer Diameter φ28mm
Stage 1–4 stages
Gear Ratio 1-stage: 3.7/5.2; 2-stage:16–36; 3-stage:64–216; 4-stage:256–1296
Backlash 1-stage ≤15 arcmin; 2-stage ≤25 arcmin
Efficiency 1-stage ≥92%; 2-stage ≥90%
Output Torque Max 4N·m
Weight <100g
Working Temperature -20℃~+85℃

 

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Changzhou Changkun Electric Drive Technology Co.,Ltd
Location 2nd Floor, Building 5, Hong'erda Industrial Park, No.197 West Huanghe Road, Xinbei District, Changzhou City, Jiangsu Province, P.R.China
Contact Person Lenka Lu

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