Other technologies


Linear measurement system

Second Quarter 2005 Other technologies

Kübler is offering a high-resolution linear encoder that allows measurement of linear position or speed without contact between the sensor head and scale. The system is available with a moulded euorfast quick disconnect which offers the customer higher performance, lower cost, and a faster and more reliable installation.

The linear measurement system senses movement via a magnetic scale and a separate sensor head. The scale, which has equally spaced north and south magnetic poles, is adhered to a stainless steel band. The sensor head provides quadrature pulses from which speed, position and direction of travel can be determined. This system allows a customer to specify a resolution of either 20 or 100 microns for a given application.

The system is rated to IP67; consequently, it is completely immune to contaminants such as dust and liquids. The scale comes with a stainless steel covering that can be used for protection against metal shavings, filings, etc, and is available in lengths up to 90 metres. As the linear encoder system is non-contact, it results in extended life over traditional mechanical systems. This system is easy to install and can be used to retrofit current applications where speed and position values are sent to a display or used as an input to a controller. This technology provides a great economical alternative to optically based devices.



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