Electricity: motive power systems – Positional servo systems – With protective or reliability increasing features
Patent
1977-08-31
1978-12-26
Dobeck, B.
Electricity: motive power systems
Positional servo systems
With protective or reliability increasing features
340147MT, 364474, G05B 2302
Patent
active
041318366
ABSTRACT:
A machine tool having a plurality of independently and parallelly movable tool posts includes a system for preventing the interference between the tool posts, by means of that the information on the contour position of the tool post represented is added to the information on the position of a reference point set in for each tool post, and the results of addition are compared and calculated.
REFERENCES:
patent: 3175190 (1965-03-01), Gasser
patent: 3834615 (1974-09-01), Watanabe
patent: 3836834 (1974-09-01), Abbatiello et al.
patent: 3934185 (1976-01-01), Schoonover et al.
Chaskin Jay L.
Dobeck B.
Okuma Machinery Works Ltd.
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