Selecting a Hollow Rotary Actuator: Selection Process

First determine your series, then select your product.
Select the actuator that you will use based on the following flow charts:

An overview of the procedure is explained below.

  • Confirm Required Specifications
    (Equipment specifications)
    • Check the required specifications for the hollow rotary actuator based on the equipment specifications.
      The general items are explained below.
      • Operating speed
      • Stopping accuracy
      • Power supply input
      • Positioning distance and time
      • Position holding
  • Calculate the Load
    • Calculate the load inertia.
      Refer to here for the formula to calculate the inertia in representative configurations.
  • Select a Model
  • Selection Calculations
    • Ensure that the required torque and mechanical strength are within the specification values, and select a model.

Motor Sizing Service Information

We offer an easy to use motor sizing tool and optimal products sizing and selection service by our dedicated staff (free of charge).

Motor Sizing Tools

This tool lets you select a product by simply entering the values of the mechanism and operation conditions online. There are 7 mechanism for selecting motors of all categories.

Request Motor Sizing

We will perform the time-consuming load calculation and motor sizing on your behalf, providing a response in as little as 2 hours.

Selection Procedure and Calculation Formula