Method of manufacturing a magnetic strip magnet speed ring
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United States of America Patent
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Mar 7, 2006
Grant Date -
N/A
app pub date -
Sep 24, 2003
filing date -
Sep 24, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of manufacturing a speed ring in a continuous process using a magnetizing fixture and a trimming fixture. An unmagnetized magnetic strip is fed into the trolley of a magnetizing fixture, clamped stretched, and magnetized by a coil. The newly magnetized strip is then cut and fed into a trimming fixture. As the magnetized strip goes through the trimming fixture, it runs over a hall effect sensor which determines where a center of a pair of poles is located. Based on where a pair of poles is located the cutting blade of the trimming fixture is activated and a magnetic strip that can be turned into a speed ring is created.
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