Grinding apparatus

Details Grinding apparatus Grinding apparatus

1974-09-27

1976-06-22

Whitehead, Harold D.

Abrasive tool making process, material, or composition

With carbohydrate or reaction product thereof

5116577, 5116591, B24B 4904

Patent

active

039642100

ABSTRACT:
A grinding apparatus has an in-process sizing device to measure a size of a workpiece under grinding, and a detecting device to measure the location of the infeed table on which a grinding wheel is mounted to grind the workpiece. The outputs of the in-process sizing device and of the detecting device are so calculated that the amount of residual stock-removal on the workpiece is computed out as the difference between in-feed amount of the wheel head and actual stock-removal amount on the workpiece which is continuously measured by the in-process sizing device. The computed residual stock-removal is compared with a pre-set value which is selected from a series of pre-set values for various grinding steps such as a rough grinding step or a fine grinding step, in response to the workpiece size measured by the in-process sizing device. In-feed speed of the infeed table to the workpiece is so controlled by the output of a comparator which executes the above comparing process that the output value is intended to become zero.

REFERENCES:
patent: 3622287 (1971-11-01), Kurimoto
patent: 3653855 (1972-04-01), Smith
patent: 3691357 (1972-09-01), McIntosh
patent: 3699720 (1972-10-01), Lenning
patent: 3828439 (1974-08-01), Ishikawa
patent: 3842595 (1974-10-01), Possati
patent: 3846689 (1974-11-01), Possati

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