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Ship T-shaped profile welding deformation correcting method

A welding deformation and profile technology, applied in welding equipment, welding equipment, auxiliary welding equipment, etc., can solve problems affecting the forming quality of T profiles, achieve high correction efficiency, facilitate straight shaping, and ensure the effect of shaping

Inactive Publication Date: 2020-12-01
ZHONGCHUAN NO 9 DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the characteristics of the welding process, after the welding is completed, the web is easy to bend slightly along the welding assembly point, and is no longer perpendicular to the panel, and it will also appear slightly deformed, which will affect the forming quality of the T profile

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0017] The present invention provides a technical solution: a method for correcting welding deformation of ship T-shaped bar, including the following specific steps:

[0018] S1: Place the T-profile panel flat on the straightening processing table, fix the T-profile panel with a positioning fixture to keep it in a horizontal state, and keep the T-profile web in an upwardly extending state;

[0019] S2: Place a standard vertical plate on one side of the T-shaped web as a reference for the correction of the T-shaped web, and place a push plate on the other side to correct the verticality of the T-shaped web;

[0020] S3: Use a laser heater to heat the welded part of the T-shaped panel and the T-shaped web;

[0021] S4: Use the pushing mechanism to push the push plate until the T-shaped web is attached to the standard vertical plate, continue to push the push plate, and keep the clamping state of the T-shaped web between the push plate and the standard vertical plate;

[0022] S...

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PUM

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Abstract

The invention belongs to the field of shipbuilding, and particularly discloses a ship T-shaped profile welding deformation correcting method. The ship T-shaped profile welding deformation correcting method comprises the steps that a T-shaped profile panel is flatly placed on a correcting machining table, a laser heater is used for heating the welding position, a pushing mechanism pushes a push plate, the push plate and a standard vertical plate are kept in the state for clamping a T-shaped profile web, and cold air is used for cooling. According to the method, the T-shaped profile panel is kept in a straight state, the T-shaped profile web is corrected, and the correction steps are simplified; through assistance of the standard vertical plate and the push plate, the assembly welding position of the T-shaped profile panel and the T-shaped profile web is heated through the laser heater, the deformation effect of the end portion of the T-shaped profile web is guaranteed, and correction isfacilitated; the T-shaped profile web is restored to the vertical state by pushing of the push plate and is matched with the standard vertical plate to be clamped, so that the surface of the T-shapedprofile web is straightened and shaped conveniently; the cold air is used for cooling the assembly welding position at the bottom of the T-shaped profile web, the shaping effect after correction is guaranteed, and the correction efficiency is high.

Description

technical field [0001] The invention relates to the field of shipbuilding, in particular to a method for correcting welding deformation of a T-shaped bar of a ship. Background technique [0002] Human shipbuilding has a long history. Due to the development of shipping and military needs, ships tend to be large and specialized, and shipbuilding technology develops rapidly. Shipbuilding has become one of the most important heavy industry sectors in the world. The T-shaped bar in the shipbuilding field is generally composed of two steel plates, that is, the panel and the web, which are assembled and welded in a way that is perpendicular to each other to form a "T" shape. [0003] Due to the characteristics of the welding process, after the welding is completed, the web is easy to bend slightly along the welding assembly point, and is no longer perpendicular to the panel, and it will also undergo slight deformation, which will affect the forming quality of the T-shaped bar. Co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K31/02B23K37/00B23K37/04
CPCB23K31/02B23K37/00B23K37/04
Inventor 慎辰汪彦钧韩荃叶峰康静罗一恒
Owner ZHONGCHUAN NO 9 DESIGN & RES INST
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