Machine for roughing side walls portions of a shoe

Details Machine for roughing side walls portions of a shoe Machine for roughing side walls portions of a shoe

1990-11-29

1992-04-07

Meyers, Steven N.

Boot and shoe making

Sole and/or heel burnishing machines

Rotary tool

19 65, H43D 9500, H43D 9516

Patent

active

051015285

ABSTRACT:
The speed of rotation of a side wall roughing tool (250) can be varied in accordances with the speed of relative movement between the tool (250) and side wall portions of the shoe being roughed (the traverse speed of the tool). To this end, a flow control arrangement (F) is provided including a plurality of flow control valves (CV1, CV2), the arrangement being such that, with the rate of flow through each such valve set, the operator can select one or other to be switched into the hydraulic circuit by which a hydraulic motor (232) is driven, said motor effecting rotation of the tool. The selection of one or other flow control valve (CV1, CV2) is made by the operator during the digitishing of the path of the tool relative to the shoe and such information is stored together with the programmed instruction, in the form of digitised corrdiante axis values, for said path.

REFERENCES:
patent: 3174170 (1965-03-01), Verreault et al.
patent: 4391011 (1983-07-01), Peck et al.
patent: 4561139 (1985-12-01), Becka et al.
patent: 4691398 (1987-09-01), Kadogawa et al.
patent: 4951338 (1990-08-01), Brown et al.

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