Rad-hard motors step forward
An
Empire Magnetics product story
Edited by the Engineeringtalk editorial team
Nov 16, 2004
RH Series radiation-hardened step motors are now available in seven standard step motor frame sizes to satisfy a variety of radiation-environment applications.
Empire Magnetics' RH Series radiation-hardened step motors are now available in seven standard step motor frame sizes (5, 11, 15, 17, 23, 34 and 42) to satisfy a variety of radiation-environment applications.
High energy, gamma radiation particles will attack nonmetallic materials in a motor, and lubricants, varnish, lamination bonding, and cable insulation will all deteriorate over time and finally crumble.
These 1.8-degree step motors are constructed with the best available radiation-resistant materials to assure the longest possible service life in a radiation environment.
They feature high-temperature windings for maximum reliability, and are compatible with most bipolar drive systems.
Lower power models are available with a torque range of 1.4 to 184mNm, moderate power models with a torque range of 424mNm to 3.2Nm, and high power models with a torque range of 2.8 to 11.3Nm.
RH series step motors are rated for a total accumulated dose of 200Mrad as standard, with ratings to 1Grad available on a custom basis.
Custom variations are available including AC motors, assemblies and complete radiation-hardened motion control systems.
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