Cutting – Processes – During movement of work past flying cutter
Patent
1996-09-17
1999-07-20
Rada, Rinaldi I.
Cutting
Processes
During movement of work past flying cutter
83174, 83327, 83329, 83377, 834713, 8369851, B26D 158, B26D 712
Patent
active
059243465
ABSTRACT:
A method of operating an orbital saw for transversely severing elongated, superposed, multi-ply web material which includes advancing the web material along a path into a cutting station having a skew arm adjacent said path, rotating said arm about an axis skewed with respect to the path, the skew arm having a disc blade coupling means, such as a 4-bar linkage, mounted thereon and carrying a rotating disc blade with the blade axis spaced from the arm axis to cause the blade to intersect the path and cut the web material during the blade orbit, maintaining the blade axis at an angle skewed relative to the arm axis to position the disc blade continually perpendicular to the path whereby the disc blade makes a square cut through the web material, providing the coupling means with a grinding stone for the blade and a control for contacting the grinding stone and blade, and positioning the grinding stone radially inwardly throughout the entirety of the blade orbit whereby centrifugal forces are reduced and cyclic loading is substantially eliminated.
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Wierschke Larry D.
Wunderlich Gary R.
Goodman Charles
Paper Converting Machine Company
Rada Rinaldi I.
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