Mould cavity numerical control machining spiral curve track planning method
A technology of curve trajectory and cavity, which is applied in the field of spiral curve trajectory planning of CNC machining of cavity, can solve the problems of not meeting the requirements of high-speed machining of complex cavities, and cannot be directly applied to cutting and machining of narrow and long complex cavities, so as to achieve continuous tool trajectory, The effect of improving processing efficiency
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[0025] The technical solution of the present invention will be further described in detail below in conjunction with the drawings and embodiments. The following embodiments do not constitute a limitation to the present invention.
[0026] The spiral curve trajectory planning method for the numerical control machining of the cavity provided by the present invention is carried out according to the following steps:
[0027] 1. First, the implicit description of the cavity boundary is embedded in the level set function of the high one-dimensional space. The zero level set of the level set function is the cavity boundary, and the level set function is initialized as a signed distance function. Such as figure 1 As shown in the rectangular cavity, embed it into a high one-dimensional level set function, such as figure 2 As shown, where 1 is the level set function, 2 is the zero level set of the level set function, and the zero level set 2 is the rectangular cavity.
[0028] 2. Construct a...
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