Hydraulic system for controlling saw-frame cutting feed speed in

Details Hydraulic system for controlling saw-frame cutting feed speed in Hydraulic system for controlling saw-frame cutting feed speed in

1979-04-13

1980-12-30

Meister, J. M.

Cutting

By endless band or chain knife

With tool in-feed

B23D 5304

Patent

active

042416353

ABSTRACT:
A hydraulic system for controlling the cutting feed speed of a saw frame of a sawing machine, such as a band-sawing machine, includes an improved control valve on the discharge line enabling the fluid to draw off from the hydraulic cylinder, the control valve being capable of amplifying changes of pressure in the cylinder occurring in response to changes of cutting resistance to the saw blade, thereby securing a proper control over the cutting feed speed of the saw frame irrespective of the size and weight of the saw frame.

REFERENCES:
patent: 3991644 (1976-11-01), Sugimoto

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