Measuring and testing – Surface and cutting edge testing
Patent
1975-03-14
1976-08-10
Whitehead, Harold D.
Measuring and testing
Surface and cutting edge testing
5116588, G01N 356
Patent
active
039734331
ABSTRACT:
Apparatus for checking the cutting capacity and controlling the dressing of a grinding wheel comprising a device to measure the sizes of the pieces being machined, a threshold unit connected to the output of the device responsive to the device, a processing group containing an integrating and memory circuit to integrate and store signals for every piece being machined, a switch associated with the integrating and memory circuit and controlled by the threshold unit, a threshold circuit the input of which is connected to the switch and the output to the processing group and a threshold device to control dressing of the grinding wheel connected to the output of the processing group. The apparatus may include a program unit to set the values of the feed speed of the wheelhead, a unit to calculate stock removal speed and a unit to compare stock removal speed with programmed speed.
REFERENCES:
patent: 3500811 (1970-03-01), Perkins
patent: 3641713 (1972-02-01), Humes
patent: 3728826 (1973-04-01), Nishimura
patent: 3760539 (1973-09-01), Robillard
patent: 3809870 (1974-05-01), Auble et al.
Finike Italiana Marposs,Soc. In Accomandita Semplice di Mario Po
Whitehead Harold D.
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