Fly-cutter milling machine
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United States of America Patent
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-
Sep 5, 1989
Grant Date -
N/A
app pub date -
May 13, 1988
filing date -
May 30, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A fly-cutter milling machine for the simultaneous milling of a plurality of grooves (12) in rotating workpieces (2) by means of a fly cutter (3) which protrudes radially outwards on a rotating tool holder, the speed of revolution of the tool holder and the speed of revolution of the workpiece being in a ratio which is determined by the number of grooves of the workpiece. In order to obtain optimum operation with the groove profile precisely adapted to the tool cutting edge, the rotation of the workpiece (2) is briefly interrupted at the moment of the maximum depth of plunge of the fly cutter (3) by a phase of reduced speed of the workpiece (2).
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