Heidenhain LC 495M Linear Encoders deliver high accuracy and a rugged design with a small footprint. Their compact dimensions make them ideal for very limited installation space. A proven seal design optimally protects the LC 400 encoders from contamination. Their wide scanning field also reduces contamination sensitivity. Localized impurities on the measuring standard have very little influence on signal quality or measurement accuracy.
Heidenhain LC 495M Linear Encoders use optical scanning measuring standards of periodic structures known as graduations. These graduations are applied to glass and then generate an absolute signal. These scales have a grating period of 20 um.
Sealed linear encoders from Heidenhain deliver optimal results on machine tools. The quality of their graduations and their optical scanning method with small signal periods are key factors in attaining perfectly machined surfaces.
The Heidenhain LC 495M come in measuring lengths from 70-2040 mm. They have a Mitsubishi serial interface and a Mit03-04 ordering designation. Based on the part number that is order the encoder will have an accuracy of ± 3 um or ± 5 um. A 50 m or less cable can be used for this linear encoder. These encoders have a maximum traversing speed of 180 m/min through single field scanning.
A Heidenhain LC 495M sealed linear encoder fulfills the requirements for IP53 protection provided that they are sealed and mounted with the lips facing away from splashed water. If the encoder is exposed to concentrations of coolant or mist a protective cover should be used, or sealing air can be used to provide IP64 protection to more effectively prevent the ingress of contamination. This can be achieved with a DA 400 compressed air unit.