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Method for constructing plunge milling points for corner plunge milling

A construction method and corner technology, applied in metal processing equipment, metal processing mechanical parts, milling machine equipment, etc., can solve the problems of complicated plunge milling points, low processing efficiency, low corner program processing efficiency, etc., to save plunge milling The effect of cutting tool position and improving processing efficiency

Active Publication Date: 2017-11-17
SHENYANG AIRCRAFT CORP
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AI Technical Summary

Problems solved by technology

[0002] In the existing CAD / CAM system, the programming of corner plunge-milling requires manual interaction to create all the plunge-milling points. However, due to the diversity of the residual area of ​​the corner, it is very cumbersome and complicated to manually create the plunge-milling points. Moreover, at present , and there is no fixed and effective method for creating corner plunge milling points. Therefore, many programmers can only settle for the next best thing in corner machining programming and choose contour milling with low processing efficiency. In this way, on the one hand, corners The processing efficiency of the program is low. On the other hand, especially for deep and narrow corners, the surface processing quality is poor or even difficult to meet the design requirements.

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  • Method for constructing plunge milling points for corner plunge milling
  • Method for constructing plunge milling points for corner plunge milling
  • Method for constructing plunge milling points for corner plunge milling

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Embodiment Construction

[0022] The present invention is based on the CAD / CAM system platform and realizes a method for constructing plunge-milling points for corner plunge-milling. The implementation examples of the present invention are described in detail below in conjunction with the accompanying drawings. This implementation example is implemented on the premise of the technical solution of the invention, and detailed implementation methods and specific implementation processes are provided, but the protection scope of the present invention is not limited to The following implementation examples. The present invention implements detailed steps as follows:

[0023] 1) Construction of corner residual area

[0024] (1) Cut the corner into the end contour line l i Towards the direction of the center of the corner, the margin of the cut-in end is offset δ i , to obtain the cut-in boundary line l of the cutting tool pi , similarly, the l o Offset margin to the center side δ o , to obtain the cutt...

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Abstract

The invention provides a method for constructing plunge milling points for corner plunge milling, and belongs to the technical field of digitized manufacturing of aircraft structural parts. The method is based on the remaining area of a corner, and on the premise of ensuring the limiting cutting width of a process cutter, the processing cutting width of the cutter is adopted as a step distance, and the mode of residual retreat is adopted to carry out layered point distribution, so that the construction of the corner plunge milling points is realized. According to the method for constructing the plunge milling points for corner plunge milling, the construction of the corner plunge milling points in the structural parts can be realized, a key technology is provided for rapid numerical control programming of corner plunge milling, and rapid establishment of a numerical control program of corner plunge milling based on the remaining area is achieved; besides, great reference can be provided for programming of plunge milling with other structural features.

Description

technical field [0001] The invention relates to a plunging and milling point construction method for corner plunging and milling, and belongs to the technical field of digital manufacturing of aircraft structural parts. Background technique [0002] In the existing CAD / CAM system, the programming of corner plunge-milling requires manual interaction to create all the plunge-milling points. However, due to the diversity of the residual area of ​​the corner, it is very cumbersome and complicated to manually create the plunge-milling points. Moreover, at present , and there is no fixed and effective method for creating corner plunge milling points. Therefore, many programmers can only settle for the next best thing in corner machining programming and choose contour milling with low processing efficiency. In this way, on the one hand, corners The processing efficiency of the program is low. On the other hand, especially for deep and narrow corners, the surface processing quality ...

Claims

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Application Information

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IPC IPC(8): B23C3/00B23Q17/22
CPCB23C3/00B23Q17/2233
Inventor 白玉珍宋万万初宏震卞伟宇方立辉吴广东
Owner SHENYANG AIRCRAFT CORP
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