Numerical control system based route offsetting method of tool path

A numerical control system, offset technology, applied in the direction of general control system, control/regulation system, program control, etc., can solve the problems of limited embedded system performance, difficult and complex calculation, difficult upgrade and maintenance, etc., to increase the convenience of work High performance, wide adaptability, easy to upgrade and maintain

Active Publication Date: 2019-03-22
GUANGZHOU CORESING ROBOT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional CNC system tool radius compensation method has the following disadvantages: (1) only for the machining process, the final compensation effect must be tested after trial processing; (2) limited by the performance of the embedded system, it is difficult to do complex calculations, such as large-scale Path interference checking / removal; (3) Path types are limited to a few types (straight line, arc, thread, etc.); (4) Difficult to upgrade and maintain

Method used

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  • Numerical control system based route offsetting method of tool path
  • Numerical control system based route offsetting method of tool path
  • Numerical control system based route offsetting method of tool path

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Embodiment Construction

[0052] Below in conjunction with accompanying drawing and specific embodiment the present invention is further described:

[0053] The present invention specifies the offset distance, offset direction and working plane for a given section of line path information, such as straight line, quadratic curve, cubic curve or their combination, so as to calculate its offset path information , aiming at this point, the present invention provides a kind of tool path offset path method based on numerical control system, and its specific steps include:

[0054] S1. Perform pre-processing according to the original line path information;

[0055] The pretreatment conditions include:

[0056] (1) For non-linear and circular arc lines, it is divided into several minimal line segment groups;

[0057] (2) For the uncuttable path, the uncuttable path refers to the path that cannot be reached by the processing tool due to the shape of the mold, and these paths cannot be cut, such as figure 1 A...

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Abstract

The invention discloses a numerical control system based route offsetting method of a tool path. The method is characterized by particularly comprising the following steps of carrying out pretreatmentaccording to the route information of an original line; extracting the offsetting information of a route subjected to the pretreatment; making a route in which a line segment is independently offsetaccording to the offsetting information; carrying out route repairing on the route in which the line segment is independently offset; and carrying out range interference checking on the repaired route. The method is simple to operate and convenient to maintain, can be used for enabling the compensation to be more convenient, and meanwhile, is easy to extend and adapts to multiple kinds of routes.

Description

technical field [0001] The invention relates to the technical field of numerical control systems, more specifically, to a method for offsetting tool paths based on numerical control systems. Background technique [0002] In the machining process of CNC machine tools, what it controls is the trajectory of the tool center. For convenience, the user always compiles the machining program according to the contour of the part. Therefore, in order to process the required part contour, when processing the inner contour, the tool center A tool radius value must be offset to the inner side of the part; when performing outer contour machining, the tool center must be offset by a tool radius value to the outer side of the part. [0003] The traditional CNC system offsets the tool path through tool radius compensation. In the processing code, specify the G preparation function of radius compensation and the compensation number to control the compensation enable, compensation method and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/4097
CPCG05B19/4097G05B2219/31281
Inventor 叶昌煜张锦源邱民万军杨
Owner GUANGZHOU CORESING ROBOT TECH CO LTD
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