Incremental Rotary Encoders operate in extreme conditions.

Press Release Summary:




Series ROD 400 and ERN 400 handle vibrations up to 300 m/s² and shock loads up to 2,000 m/s². Universal cable exit can be configured for axial or radial applications. Clamping mechanism for blind hollow shaft or through-shaft facilitates mounting by utilizing 3-point clamping ring that prohibits damage to mating shaft.




Original Press Release:



Heidenhain Makes Improvements to an Industry Rotary Standard



SCHAUMBURG, IL - (January 2004) - What has long been recognized as the industry standard, the HEIDENHAIN ROD 400 and ERN 400 series incremental rotary encoders have gone through a redesign. Many improvements have been made in order for the encoders to satisfy an even broader range of applications that require higher shock and vibration load capacity.

Specifically, the acceleration load capacity has increased significantly. All ROD 400s with a cable exit can handle vibrations up to 300 m/s² and shock loads up to 2000 m/s² allowing them to function under extreme operating conditions. These encoders also feature a universal cable exit that can be configured for either an axial or radial application. This enhancement reduces the number of variants thus simplifies the ordering process and increases availability.

Also, realizing the importance of available space, the overall encoder length of the ROD/ERN 400 series has been reduced for all variants with a flange socket, allowing the user to take advantage of the smaller size whether using a flange socket or cable.

Finally, for the blind hollow shaft or through-shaft, the new design of these encoders features an improved shaft clamping mechanism for easier and more effective mounting. Rather than direct contact to the mating shaft via setscrew, HEIDENHAIN has designed a three-point clamping ring that prohibits damage to the mating shaft.

For more information, contact HEIDENHAIN at (847) 490-1191, or write to us at HEIDENHAIN CORPORATION, 333 E. State Parkway, Schaumburg, IL 60173. HEIDENHAIN can also be accessed directly via our web site at heiclenhain.com or e-mail at info@heidenhain.com

HEIDENHAIN CORPORATION is the North American subsidiary of DR. JOHANNES HEIDENHAIN GmbH, a leading international manufacturer of precision measurement and control equipment. The product line includes linear scales, rotary and angular encoders, digital readouts, digital length gages, CNC controls and machine inspection equipment.

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