New PKP CS Gear and New 28mm High Resolution

New PKP CS Gear and New 28mm High Resolution

CS Gear Offering Same or More Holding Torque than SH Gear

Torrance, CA – September 16, 2021

Oriental Motor is pleased to announce the expanded line-up of popular PKP Series of bipolar & unipolar type PKP 2 phase stepper motor products with the following additions:

  • PKP CS Geared 28mm & 60mm
  • PKP 28mm High Resolution (0.9°) type

The CS Geared type is a center shaft spur gear that features increased torque and a larger shaft for greater radial load but without a larger frame size. The CS Geared type is now available with mini connector and in 3 sizes, 28mm, 42mm and 60mm. Gear ratios: 5, 10, 15 & 20:1 (5:1 is only available on 42mm and 60mm frame sizes).

The High Resolution type (0.9° per step) 28mm reduces noise and vibration. By using a smaller step angle, there is less vibration over the entire speed range. Along with lower noise and vibration, increased positional accuracy is possible with a smaller step angle (0.9°).

The key benefits of the CS Gear type includes

  • Same or more holding torque than the SH gear
  • Permissible radial load is greatly increased along with offering a center output shaft, similar to higher cost Planetary Gear types.

Contact our Technical Support group at 800-468-3982 email, or visit the web page at:


Since its founding in Japan in 1885, Oriental Motor has been a world leader in motion control systems.  For over a century, we have concentrated on technological advancement and product design improvement — an emphasis evident in the sophisticated devices we market today.

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