Cutting – By endless band or chain knife – With special blade guide means
Patent
1991-05-24
1992-04-28
Yost, Frank T.
Cutting
By endless band or chain knife
With special blade guide means
83801, 83810, 83827, B26D 154, B23D 5306
Patent
active
051077388
ABSTRACT:
To cut a workpiece along two different cutting directions, the band saw teeth are set in a first vertical cutting direction by a band saw guide device and then the cutting head (CH) is moved frontward, for instance; thereafter, the band saw teeth are twisted toward a second vertical cutting direction by the same guide device and then the cutting head is moved to-and-fro, for instance. The machine is effectively usable in cutting off a test piece from a large workpiece. To improve the cutting precision, various novel devices are incorporated, such as a balance cylinder (B-CYL) for allowing the cutting head to move up and down smoothly; two back-and-forth cylinders (BF-CYL) for moving the cutting head back and forth in symmetrical pressure application; cutting head fix device (FD); a rigid guide column; band saw holding device (BSH); a slidable small-diameter driven wheel arranged within the cutting head (CH), etc.
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patent: 4625603 (1986-12-01), Brink
Amada Company Limited
Rada Rinaldi
Yost Frank T.
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