Cutting – Processes – Cutting wall of hollow work
Patent
1997-04-28
1998-12-01
Rachuba, M.
Cutting
Processes
Cutting wall of hollow work
83184, 83185, 83191, 83948, 346 33R, 346138, B26F 108
Patent
active
058423974
ABSTRACT:
A punching transport apparatus attached to an end surface a cylindrical inner surface drum includes two transport units which are connected with a pulse motor, two belts, and two pulleys so as to be able to move in synchronism to each other. The two transport units are linked to two punching units through linkage blocks. Transport carriers of the transport units are threadingly engaged with ball screws which are linked to the pulleys so that the transport carriers are loosely fitted to guide rails. Receiving an input signal which is entered in accordance with a plate edge distance which is determined by the specifications of a printer, a controller drives the pulse motor under the control of a pulse count. As a result, from an origin position which is determined in accordance with a condition which is detected by an origin sensor, the two transport units and the two punching units move in a central axis direction X.
REFERENCES:
patent: 3689932 (1972-09-01), Gerber
patent: 4260998 (1981-04-01), Fukui
patent: 4437371 (1984-03-01), Howerton et al.
patent: 4500285 (1985-02-01), Klotmann et al.
patent: 4637710 (1987-01-01), Fujii et al.
patent: 4723134 (1988-02-01), Morita et al.
Nomoto Hiroshi
Shimizu Yoshio
Dainippon Screen Mfg. Co,. Ltd.
Rachuba M.
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