Technical Calculators

Get the power transmission solutions you need with our full selection of technical calculators.

Drive Formulas

Commonly used formulas for mechanical power transmission drives.


Energy Efficiency Calculator

Calculate how much energy you are saving by switching to an efficient Sumitomo gear drive.


Cyclo Lubrication Intervals

Recommended lubrication intervals for Cyclo reducers and gearmotors


Cyclo Overhung Load

Calculate the overhung load capacity of a Cyclo reducer or gearmotor.


Precision Reducer Application Data

Data sheet to calculate the application of motion control drive.


How to Calculate Gear Ratio

We walk through how to calculate gear ratio, in hopes that if you encounter this problem in the field, you will be able to quickly determine what size Sumitomo gearbox fits your application . 


Chain Conveyor Drive

Calculator of Gearmotor Chain Conveyor Drive


Electric Carriage Drive

Calculator for Electric Carriage Drive


Lifter Drive

Calculator for Lifting Unit Drive


Roller Conveyor Drive

Calculator for Roller Conveyor Drive