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Implementation method for carrying out cutter radius compensation on small-line-segment continuous track

A technology of tool radius and small line segment, applied in the direction of instruments, computer control, simulators, etc., can solve problems such as normal processing, and achieve the effect of simple and fast processing

Active Publication Date: 2020-08-25
GUANGZHOU CORESING ROBOT TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in the actual processing of small line segments, the number of interfering line segments is far greater than 5, so the system will trigger an interference alarm and cannot be processed normally.

Method used

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  • Implementation method for carrying out cutter radius compensation on small-line-segment continuous track
  • Implementation method for carrying out cutter radius compensation on small-line-segment continuous track
  • Implementation method for carrying out cutter radius compensation on small-line-segment continuous track

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] refer to Figure 1-6 ,in figure 2 It is the schematic diagram of calculating the offset point of the corner point of the present invention. According to the offset vector of the line segment SM formed by the previous point S of the corner point and the corner point M, the offset point M' of the corner point can be obtained. According to the corner point M and the corner point The offset vector of the line segment ME formed by the last point E of the p...

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Abstract

The invention discloses an implementation method for carrying out cutter radius compensation on a small-line-segment continuous track. The method comprises the steps of detecting small line segment offset track interference by a CNC system; scanning an offset curve formed by small line segments before interference to obtain a value interval of the curve on the X axis and a value interval of the curve on the Y axis; scanning an offset curve formed by the interfered small line segments to obtain value intervals of the offset curve on the X axis and the Y axis; solving an intersection part of thetwo value intervals; matching the small line segments in the intersection area to solve an intersection point so as to quickly find a local self-intersection point; and finally deleting the interference line segments according to the intersection point to obtain a correct cutter compensation track. According to the method, the offset track of the small line segments is analyzed by adopting a method with a small calculation amount; after the local self-intersection point is found, the interference path is deleted according to the intersection point, so that the cutter radius compensation machining of the track of the small line segments is realized; the conversion operation of an offset machining graph can be omitted; and the machining is simpler and faster.

Description

technical field [0001] The invention relates to the technical field of tool radius compensation of a numerical control system, in particular to a method for realizing tool radius compensation for small line segment continuous trajectories. Background technique [0002] When the existing third-party numerical control system deals with the problem of tool compensation interference, it corrects the offset trajectory by pre-reading 4-5 program segments and generating interference avoidance vectors. It can deal with the interference problem of 4-5 line segments at most. However, in the actual processing of small line segments, the number of interfering line segments is far greater than 5, so the system will trigger an interference alarm and cannot be processed normally. Contents of the invention [0003] The purpose of the present invention is to solve the shortcomings in the prior art, and propose a method for implementing tool radius compensation for the continuous trajector...

Claims

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Application Information

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IPC IPC(8): G05B19/404
CPCG05B19/404G05B2219/33133
Inventor 钟文浩张锦源甘玉轩万军杨叶昌煜
Owner GUANGZHOU CORESING ROBOT TECH CO LTD
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