Metal cutting machine with scrap saving feature

Metallurgical apparatus – Means for cutting solid metal with heat – e.g. – blowpipes – With pattern control means

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33 23C, 83 50, 90 135, 144144R, 266 60, 318577, B23K 702

Patent

active

040120279

ABSTRACT:
A machine for repetitive cutting of small identical parts from a relatively large metal plate. A scanning head is positioned on a carriage above a template which is mounted to a tracing table, and one or more metal cutting heads are also mounted on the carriage. The scanning head is operable to drive the carriage and cutting head to cut a first series of one or more identically shaped parts from the plate. A further carriage on the machine is movable between a stop and an adjustable limit switch, with the adjusted distance between the stop and switch corresponding to the pre-determined distance it is desired to shift the tracing table to position the template for controlling the cutting of a second series of one or more identical parts from the same plate. The further carriage is selectively connected to a table moving mechanism, and such connection also actuates the latter to move the table until the carriage engages the limit switch. At this point, the table and template will be in the optimum position for cutting the second series of parts with a minimum of material waste.

REFERENCES:
patent: 3084923 (1963-04-01), Arnault et al.
patent: 3172938 (1965-03-01), Schwartz
patent: 3559971 (1971-02-01), Rogers
patent: 3925900 (1975-12-01), Raffensparger

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