Boots – shoes – and leggings
Patent
1987-08-14
1989-05-23
MacDonald, Allen
Boots, shoes, and leggings
36447417, 36447424, 36447428, 364578, G06F 1518
Patent
active
048336173
ABSTRACT:
An adaptive feedrate control and method of optimizing the metal removal rate of NC end milling is based on a solid modeler which continuously simulates the in-process workpiece geometry in 3-dimensional machining. For each NC record representing a tool motion, an adjusted feedrate is generated off-line by the simulation running on a general purpose computer. The metal removal rate, cutting force, and tool deflection are calculated, and a feedrate is chosen to increase machine utilization without violating user-set constraints and avoid common machine problems such as excessive tool deflection and tool breakage.
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W. Wang, "Solid Geometric Modeling for Mold Design and Manufacture", TIS Report No. 84CRD122, May 1984, Corporate Research and Development, General Electric Company, Schenectady, New York.
W. P. Wang, K. K. Wang, "Geometric Modeling for Swept Volume of Moving Solids", IEEE CG&A, Dec. 1986, pp. 8-18.
Campbell Donald R.
Davis Jr. James C.
General Electric Company
MacDonald Allen
Webb II Paul R.
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