Grindstone clearance correcting device for spring grinding machi

Details Grindstone clearance correcting device for spring grinding machi Grindstone clearance correcting device for spring grinding machi

1980-05-27

1982-11-16

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116588, B24B 4904

Patent

active

043589120

ABSTRACT:
A grindstone clearance correcting device for spring grinding machine comprises a drive unit for driving a pair of grindstones for grinding both ends of a coil spring in a direction perpendicular to flat surface of a work table, and an extra length spring detecting unit for detecting an extra length spring whose grinding allowance is not removed due to the abrasion of the pair of grindstones, whereby the pair of grindstones are shifted by the driving unit in a predetermined quantity in a direction where the grindstones approach mutually.

REFERENCES:
patent: 2845755 (1958-08-01), Price
patent: 2882650 (1959-04-01), Price
patent: 3001336 (1961-09-01), Bauer
patent: 3561164 (1971-02-01), Dunn
patent: 3774348 (1973-11-01), Dunn
patent: 4217734 (1980-08-01), Frei

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