Method of dressing grindstone for NC grinder

Details Method of dressing grindstone for NC grinder Method of dressing grindstone for NC grinder

1995-01-23

1997-04-08

Morgan, Eileen P.

Abrading

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

With indicating

451 10, 451 56, 451443, B24B 4900

Patent

active

056182210

ABSTRACT:
A dressing method comprises the steps of rotating a rotary dresser at a high speed for dressing a surface of the grindstone, previous to contact of the rotary dresser with the surface of the grindstone, and detecting a rotational vibration caused by a bearing adapted to support the rotary dresser in rotation, by use of a vibration sensor for detecting a contact vibration having a specific frequency band generated when the rotary dresser in rotation comes into contact with the grindstone. Providing that the rotational vibration has been detected, an output signal from the vibration sensor is judged to be active, allowing the grindstone to be dressed. Prior to the execution of the dressing, failures in the vibration sensor and other deficiencies are detected.

REFERENCES:
patent: 3641714 (1977-02-01), Asano
patent: 4391066 (1983-07-01), Munekata et al.

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