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Precompensation treatment technology for pipe fitting bending

A technology for pipe bending and processing technology, which is applied in the field of mechanical processing technology and can solve problems affecting the yield of good products

Inactive Publication Date: 2016-05-11
江苏国达线路成套有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is very easy to affect the yield rate, so developing a bending process that can effectively prevent cracks during the bending process is a necessary guarantee for improving the yield rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0011] A pre-compensation treatment process for pipe bending, characterized in that when the pipe is bent, a certain amount of molten steel is added after pre-heat treatment at the bend. The certain amount of molten steel can be calculated according to the wall thickness of the pipe fitting. The pre-supplementing of molten steel can be changed to a process of dipping in molten steel. The soaking time can be calculated according to the wall thickness and diameter of the pipe.

[0012] After adopting this scheme, the bending point is pretreated before bending. Increasing the amount of molten steel can effectively prevent t...

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PUM

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Abstract

The invention relates to a precompensation treatment technology for pipe fitting bending. The technology is characterized in that when a pipe fitting is bent, the bending position is subjected to pre-heat treatment, and then a certain amount of molten steel is supplemented to the bending position. The certain amount of molten steel can be calculated according to the wall thickness of the pipe fitting. The process of molten steel pre-supplementing can be changed into the molten steel soaking process. The soaking time can be calculated according to the wall thickness and the diameter of the pipe fitting.

Description

technical field [0001] The invention relates to a mechanical processing technology, in particular to a pre-compensation processing technology for pipe bending. Background technique [0002] The cracking of a pipe fitting during bending has always been a difficult point in the bending process. It is very easy to affect the yield rate, so developing a bending process that can effectively prevent cracks during the bending process is a necessary guarantee for improving the yield rate. There are very broad market prospects. Contents of the invention [0003] In order to solve the above problems, the present invention provides a pre-compensation treatment process for pipe bending. [0004] To achieve the above object, the present invention adopts the following technical solutions: [0005] A pre-compensation treatment process for pipe bending, characterized in that when the pipe is bent, a certain amount of molten steel is added after pre-heat treatment at the bend. [0006]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D7/16
Inventor 汤国良
Owner 江苏国达线路成套有限公司