Homemade Noise Canceling Electronic Edge Finder

TOOL:

BUILDER:

rgsparber on homemadetools.net

DESCRIPTION:

Homemade noise canceling electronic edge finder intended for use with lathes and mills. Device is self-calibrating. Circuit is designed to interpret sudden voltage drops as touchdown. Calibration/Touchdown LED flashes to indicate contact. Circuit incorporates two LM324 quad op amps and features magnetic probes.

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CATEGORIES:

Measuring and Marking, Lathe Accessories

TAGS:

lathe, edge finder

URL:

http://rick.sparber.org/nceef.pdf

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