Direct Drive Rotary – An Increasingly Attractive Servo Choice

Aug. 13, 2007
This paper looks at the different types of DDR systems, their pros and cons, and when to select which type of system for a given application.

By Chris Radley, CMfgE, Senior Product Manager. Danaher Motion

DDR systems are available in frameless, housed and the newly developed “Cartridge” motor format. While many engineers are familiar with the basics of selecting conventional servo systems, they may not be as knowledgeable in how to select a DDR system. This article looks at the different types of DDR systems, their pros and cons, and when to select which type of system for a given application.