Processing path overcut analysis method

Abstract

The invention discloses a processing path overcut analysis method. Firstly, a machining program code is executed to generate a cutting die surface, and the cutting die surface comprises a plurality of machining path tracks. Selecting a specified path track from the processing path tracks and setting a specified node on the specified path track; and calculating a section cutting plane passing through the specified node. And calculating a plurality of intersection points of the section cutting plane and other processing path tracks except the specified path track. Two intersection points in the intersection points are set as two adjacent intersection points; obtaining an intersection point connecting line between the two adjacent intersection points; and finally, calculating the vertical distance between the specified node and the intersection point connecting line, and setting the vertical distance as the overcut amount of the specified node.

Description

technical field [0001] The invention relates to a method for analyzing machining path defects, in particular to a method for analyzing the overcut amount of a machining path. Background technique [0002] Generally, when computer aided software (CAD) and computer aided manufacturing software (CAM) are used to generate the machining path of the object to be machined, these two kinds of software have two congenital defects. The first defect is that when the design pattern drawn by CAD is not good, after the bad design pattern is imported into CAM and converted into the machining program code, some broken surfaces are prone to appear on the cutting die surface corresponding to the machining program code. These broken surfaces can often be found from the abnormal lines on the surface of the finished product. [0003] The second defect is that when the CAM converts the design pattern into the machining program code, it is easy to cause the cutting depth (that is, the single-sect...

AI Technical Summary

Problems solved by technology

The first defect is that when the design pattern drawn by CAD is bad, and then the bad design pattern is imported into CAM and converted into the processing program code, some broken surfaces are likely to appear on the cutting die surface corresponding to the processing program code. And these broken surfaces can often be found from the abnormal texture on the surface of the finished product

[0003] The second defect is that when CAM converts the design pattern into the processing program code, it is easy to cause the cutting depth (that is, the amount of single-section overcut) to be too high in some single-section nodes of the machining track path on the cutting die surface due to the calculation error of CAM. In large cases, the overcut of a single node will not only affect the quality of the finished product, but the depth of the overcut of the node is often at the micron level, which is not easy to be observed by the naked eye.

Due to the above two inherent defects in software, technicians must constantly change the processing path of the item to be processed, which is a waste of time

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