Boots – shoes – and leggings
Patent
1989-04-03
1991-07-09
Smith, Jerry
Boots, shoes, and leggings
36447429, 36447414, 318571, G06F 1546
Patent
active
050311077
ABSTRACT:
A numerical control apparatus for machining non-circular workpieces such as a cam and the like is disclosed. In the present invention, roughing profile data and finishing profile data are generated from lift data regulating the shape of non-circular workpiece. The roughing profile data are obtained from roughing lift data. The roughing lift data are generated as changing smoothly such that the deviation from the lift data regulating the finished shape presents within the tolerance of allowance at finishing, and quadratic differential components related to the rotational angle are smaller than the predetermined value. Machinings are performed by the roughing profile data at roughing and by the finishing profile data at finishing. As a result, the high-speed machinings are possible and the machining cycle time can be shortened.
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Suzuki Ikuo
Yoneda Takao
Gordon Paul
Smith Jerry
Toyoda Koki Kabushiki Kaisha
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