Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent
1975-04-08
1977-04-19
Botz, Eugene G.
Abrasive tool making process, material, or composition
With carbohydrate or reaction product thereof
5116591, 5116588, 51281R, B24B 4916
Patent
active
040180107
ABSTRACT:
A method for controlling and regulating the working cycles of a machine tool on a workpiece, including the steps of measuring the workpiece during the machining and programming the feed speed of the tool depending on another variable quantity, which foresees generating a signal responsive to the elastic strains suffered, during the machining, by the kinematic chain comprising the workpiece and the tool, as a consequence of the tool thrust. The signal is used for controlling the feed speed. An apparatus for controlling and regulating the working cycles of a machine tool including a measuring device for the measurement of the sizes of the workpiece being machined, a stepping motor, a digital counter, a digital analogue converter and adapter responsive to the position of the tool relative to a reference position, a differential amplifier, a program unit for programming the feed speed of the tool and a control unit for varying the feed speed. The stepping motor, digital counter, digital analogue converter and adapter responsive to the position of the tool and the measuring device are connected to the differential amplifier adapted to provide a signal responsive to the elastic strains suffered, during the machining, by the tool, workpiece and kinematic chain, due to the tool thrust. The output of the differential amplifier is connected to the program unit for varying the feed speed of the tool depending on the elastic strains.
REFERENCES:
patent: 3589077 (1971-06-01), Lenning
patent: 3691357 (1972-09-01), McIntosh
patent: 3699720 (1972-10-01), Lenning
patent: 3728826 (1973-04-01), Wada et al.
patent: 3842545 (1974-10-01), Possati
patent: 3898440 (1975-08-01), Fukuma et al.
patent: 3964210 (1976-06-01), Moritomo
Pozzetti Mario
Rossi Roberto
Botz Eugene G.
Finike Italiana Marposs-Soc. In Accomandita Semplice di Marlo Po
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