High Precision
Planetary Gearboxes

0121 737 1170

PEIIR-Series High Precision Right Angle Planetary Gearboxes

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sku: PEIIR

Availability: In stock


Quick Overview

The Apex PEIIR series is a high precision economy right angle planetary gearhead. The PIIR series design has been optimized for higher accuracy, lower weight and length, and greater motor mounting versatility. The PEIIR features an industry standard metric tapped face output, carbon steel and aluminum construction, precision bonded housings for greater accuracy and faster, more precise assembly, and laser welded pinions for the highest concentricity two part assemblies. Low profile planetary gearing and precision ground spiral bevel right angle gears provide smooth, quiet operation and accuracy.


  • Output torque
    T2N : 16 Nm - 308 Nm
  • Ratios
    1-stage :  3/4/5/7/9/10
    2-stage :  15/16/20/25/30/35/40/50/70/81/100
  • Low backlash
    1-stage : ≤12-10 arcmin
    2-stage : ≤14-12 arcmin
  • high efficiency 
    1-stage : ≧ 97%
    2-stage : ≧ 94%
  • Easy mount
  • Low Noise
  • Compact structure
  • Smooth Operation
  • Low Friction

Global Presence and Excellence in Precision Servomotor Gearboxes

Apex Dynamics, Inc. is a worldwide leader in manufacturing of planetary gearboxes. Based on more than twenty years of accumulated manufacturing and marketing experience, plus the highest level of technical production capabilities, Apex Dynamics, Inc. designed and built a technically advanced, high speed, low backlash servo application planetary gearbox. Our Break through patented technology (over 6 patents), provides the customer with the optimum high precision helical reducer at a reasonable price and is offered with the only tip to toe 5-Year warranty in the industry today, including the seals and bearings. Our company slogan is TRUTHFUL RESPONSIBLE CREATIVE. The primary focus in daily operation is quality. We pride ourselves on our dedication to quality; our duty, is customer satisfaction. We are continuously improving processes, finding proper and effective methods to provide customers new solutions for difficult applications, and developing new products.  Read More

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