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Metal profile pressure straightening strategy method

A technology of metal profiles and profiles, applied in metal processing, metal processing equipment, forming tools, etc., can solve the problems of inability to effectively control the local straightness of profiles, and achieve the goals of improving straightening efficiency, high labor intensity, and ensuring straightening accuracy Effect

Active Publication Date: 2021-12-28
GUANGDONG G CLEF BENDING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This strategy obviously has higher control accuracy for the overall straightness of the profile, but cannot effectively control the local straightness of the profile

Method used

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  • Metal profile pressure straightening strategy method
  • Metal profile pressure straightening strategy method
  • Metal profile pressure straightening strategy method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0076] The geometric dimensions of square thick-walled pipe fittings are 8000mm in length, 14mm in wall thickness, and 80mm×80mm in cross-section. Load the pipe fittings to the straightening machine table, and the straightness detection device detects the upper surface of the pipe fittings from left to right. Set the first detection point on the left as the coordinate circle point O(0,0), and pass the circle point to be parallel to The straight line on the straightening machine table is the x-axis, and the straight line perpendicular to the straightening machine table is the y-axis, and the original plane Cartesian coordinate system is established. The straightness detection device is set at a fixed distance of 20mm along the pipe to detect and obtain the coordinate data of each position on the upper surface of the profile (x i ,y i ), i=1,2,...,401.

[0077] First, calculate and judge the overall straightness:

[0078] The overall straightness of the profile is determined ...

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Abstract

The invention belongs to the field of metal plastic processing, and particularly relates to a metal profile pressure straightening strategy method. The method comprises the following steps that firstly, a geometric curve of the upper surface of a metal profile is measured, a series of data points are obtained, the data points are read, overall straightness to-be-straightened points and local straightness to-be-straightened points are obtained after calculation, and after screening, an overall straightness to-be-straightened point data set and a local straightness to-be-straightened point data set are obtained; and whether the data set is empty or not is judged, if yes, the process is ended, otherwise, the to-be-straightened points which do not meet the requirement are removed, a final to-be-straightened point data set of the metal profile is obtained, and straightening is conducted in sequence from small to large according to the X-axis coordinates. According to the method, the detection data of the full length of the profile is fully utilized, the overall and local straightness information of the profile is extracted and obtained through the reasonable strategy method, and then the overall and local straightness of the profile is accurately corrected at the same time after one-time detection of the profile is completed, so that the straightening effect is greatly improved, the straightening efficiency is improved, and the yield is increased.

Description

technical field [0001] The invention belongs to the field of metal plastic processing, and relates to a pressure straightening strategy method for metal profiles. Background technique [0002] Metal profile is a structural material widely used in mechanical products. It is often used in the manufacture of important transmission parts such as guide rails and slide rails, and has extremely high requirements for straightness. However, the production and transportation of metal profiles often cause them to be bent and deformed, causing their straightness to fail to meet the product quality requirements. Therefore, straightening processing is required to meet the straightness requirements of the parts. [0003] In the process of production and transportation, bending deformation may be formed in the full length range of the profile and in the local area. Therefore, in the process of part design and manufacturing, there is often a certain degree of overall straightness within the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D3/00B21D37/16B21C51/00G01B21/24
CPCB21D3/00B21D37/16B21C51/00G01B21/24
Inventor 管奔纪沈江刘旭鹏薛占元郜志英臧勇
Owner GUANGDONG G CLEF BENDING TECH CO LTD
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