Method for classifying and handling interference problems in numerical control pipe bending process

Abstract

The invention discloses a method for classifying and handling interference problems in a numerical control pipe bending process. The problems are classified as follows: two kinds of interference problems mainly appear in the steel pipe numerical control bending process, one is that steel pipes make interference with the ground, thereby being incapable of being bent, and the other one is that the steel pipes make interference with a machine tool structure, thereby being incapable of continuing to be bent; interference between the steel pipes and the ground is classified into two kinds, one is that the steel pipe bending action process except for the final position makes interference with the ground, and the other one is that the steel pipe final bending position makes interference with theground; and interference between the steel pipes and the machine tool structure is classified into two kinds, one is that the steel pipe bending process except for the final position makes interference with a machine tool, and the other one is that the steel pipe final bending position makes interference with the machine tool. The method solves the common interference problems in the steel pipe numerical control bending process. By generalizing the common pipe bending interference problems and giving corresponding solving methods, the overall problem brought by adding a transition connection point is avoided, and the steel pipe bending strength of enterprises is improved.

Description

technical field [0001] The invention relates to a classification method and a processing method for interference problems in a numerically controlled pipe bending process. Background technique [0002] Elbows are widely used in railways, automobiles, ships, aerospace and other fields to transport gas, liquid, solid or other forms of working media. Bend pipes are often limited by the spatial structure layout, and their unique path is unique, so the pipes cannot be formed by CNC bending. In this case, most of them have to adopt other methods such as welding or joint connection to make the transition. The use of this transitional pipeline connection method increases the possibility of pipeline leakage and also causes great difficulties for maintenance. [0003] Each simmering and bending of the steel pipe is realized by the three-axis action of feeding, rotating and bending of the CNC machine tool to realize the pipe fitting forming. The CNC machine converts the input X / Y / Z ...

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