Push feed system for a saw

Details Push feed system for a saw Push feed system for a saw

1989-08-29

1991-05-14

Watts, Douglas D.

Cutting

With control means responsive to replaceable or selectable...

Arithmetically determined program

83276, 83437, B26D 706

Patent

active

050145835

ABSTRACT:
A push feed system for feeding articles from one position to another, and particularly for feeding pieces to be cut to a jump saw, includes a computer-controlled drive means having a stepper motor connected to drive a double sided toothed belt in engagement with a toothed rack, whereby operation of the belt causes relative movement between the belt and the rack, and a push bar connected to be driven by the drive means. The double sided toothed belt ensures transmission of a large amount of power without slippage, and the computer is programmed to correct for minor differences between a selected cut length and a measured cut length as might be caused, for example, by the dimension of material removed by the saw. A shock absorber is positioned between the push bar and the drive means to absorb impacts between the push bar and stationary pieces. In one form of the invention, the rack is made of a stretchable material and is mounted via a longitudinal adjustment at one end whereby the rack may be stretched longitudinally to adjust the set point of the drive means.

REFERENCES:
patent: 3174370 (1965-03-01), Thumim
patent: 4727787 (1988-03-01), Schlosser
patent: 4848532 (1989-07-01), Lauffer
patent: 4866630 (1989-09-01), Beaman et al.

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