Electronic bevel angle indicator for a hollow grinder

Details Electronic bevel angle indicator for a hollow grinder Electronic bevel angle indicator for a hollow grinder

2005-02-01

2005-02-01

Hail, III, Joseph J. (Department: 3725)

Abrading

Precision device or process - or with condition responsive...

Computer controlled

C451S009000, C451S241000, C451S410000, C451S234000, C451S545000

Reexamination Certificate

active

06848971

ABSTRACT:
An electronic hollow grinder bevel angle indicator wherein a microprocessor calculates the grinding bevel angle that will be obtained when a tool is placed flat upon a tool rest and presented to the periphery of a rotating grinding wheel. The calculated bevel angle is the acute angle of intersection between the tool rest plane and a plane tangent to the grinding wheel periphery at the line of intersection between the grinding wheel periphery and the tool rest plane. The microprocessor also calculates the air-gap between the tool rest and grinding wheel, and warns the operator when the air gap exceeds a specified safety threshold.

REFERENCES:
patent: 5172484 (1992-12-01), Triola
patent: 5839943 (1998-11-01), Stadtfeld
patent: 6325697 (2001-12-01), Gottschalk
patent: 6379218 (2002-04-01), Bailer et al.
patent: 6381862 (2002-05-01), Doman
patent: 6575812 (2003-06-01), Wirz

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