Technical Info
CJM Power Transmission Products

The Carlyle Johnson Machine Company offers more than 100 years of power transmission, clutch and brake production knowledge. Our experienced team of engineers, designers and technicians work to produce reliable components that exceed customer expectations, from standard parts to completely custom units.

Technical information on our web site provides an overview and explanation of some of the basic elements about power transmission, clutches and brakes. If you have specific questions, please don't hesitate to contact us.

The following general articles about our products, their actuation methods and how they transfer power is often helpful to site visitors:

General Overview

• What is a Clutch?
• What is a Brake?

Actuation

• Actuation - How it Works in Clutches & Brakes
• Electrically Actuated Clutches & Brakes
• Mechanically Actuated Clutches & Brakes
• Pneumatic/Hydraulically Actuated Clutches & Brakes
• Torque Limiters
• Overload Release Clutches
• Product Comparison

Power Transmission

• Power Transfer - How it Works in Clutches & Brakes
• Friction Clutches & Brakes
• Jaw / Tooth Clutches & Brakes