Cutting by use of rotating axially moving tool – With control means energized in response to activator... – To control relative positioning of tool and work
Patent
1981-01-09
1983-10-04
Schran, Donald R.
Cutting by use of rotating axially moving tool
With control means energized in response to activator...
To control relative positioning of tool and work
408 12, 408 53, 83368, 83370, B23B 3908, B23B 4900
Patent
active
044076142
ABSTRACT:
A workpiece such as a steel profile to be perforated at predetermined distances from a longitudinal reference surface thereof is moved past a plurality of perforating tools, such as punching or drill presses, mounted on a main slide and associated with respective sensors carried on an ancillary slide, the two slides being provided with a rack-and-pinion coupling working into a position detector. Each sensor comprises two sensing heads movable, upon selective activation prior to operation of the corresponding tool, transversely to the workpiece path with a slight relative offset; the ancillary slide is displaced until the reference surface is detected by one--but not both--sensing heads whereupon a corrective motion is imparted to the main slide under the control of the position detector.
REFERENCES:
patent: 3785235 (1974-01-01), Peddinghaus et al.
patent: 3803961 (1974-04-01), Valente
patent: 3817135 (1974-06-01), Valente
patent: 3892154 (1975-07-01), Duffy
patent: 3919071 (1975-11-01), Kindgren
patent: 4040320 (1977-08-01), Cloud
patent: 4061064 (1977-12-01), Kindgren et al.
patent: 4268195 (1981-05-01), Regenbrecht
Muhr Richard
Schink Karl
Muhr und Bender
Ross Karl F.
Schran Donald R.
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