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Method for improving flame cutting blanking precision of steel tube arch rib shell section base metal steel plate

A technology for flame cutting and steel pipe arch ribs, applied in gas flame welding equipment, metal processing equipment, comprehensive factory control, etc., can solve the problem of not being able to improve the geometric dimension accuracy of the base metal steel plate used for steel pipe arch rib tube joints, and is not suitable for widespread use , complex operation and other issues, to achieve good economic and social benefits, low cost, simple operation

Pending Publication Date: 2022-05-24
广西桂通工程管理集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to provide a method for improving the accuracy of flame cutting of the base metal steel plate of steel pipe arch rib tube section, so as to solve the existing problem of improving the accuracy of flame cutting blanking of steel tube arch rib tube section base material steel plate proposed in the above background technology The method is complex in operation and high in cost, and cannot improve the geometric dimension accuracy of the base metal steel plate used for steel pipe arch rib tube joints, and is not suitable for widespread use

Method used

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  • Method for improving flame cutting blanking precision of steel tube arch rib shell section base metal steel plate
  • Method for improving flame cutting blanking precision of steel tube arch rib shell section base metal steel plate
  • Method for improving flame cutting blanking precision of steel tube arch rib shell section base metal steel plate

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Embodiment 1

[0035] as Figure 1-8 As shown, a method to improve the precision of steel pipe arch rib section base metal steel plate flame cutting, the specific unloading method steps are as follows:

[0036]Step 1: Select raw materials, determine the steel pipe arch rib tube section base metal cutting and unloading method steps and corresponding raw material production equipment, and carry out trial operation of production equipment;

[0037] Step 2: Sheet lofting, numerical control programming of the automatic CNC flame cutting machine, compiling the running trajectory of the nozzle in the computer, and debugging the relevant parameters;

[0038] Step 3: Before the formal cutting, let the nozzle go empty according to the NUMERICAL control programming to simulate the cutting trajectory;

[0039] Step 4: The automatic CNC flame cutting machine begins to cut formally, and after the cutting is completed, a piece of barrel base metal steel plate is still four points uncut;

[0040] Step 5: Manuall...

Embodiment 2

[0051] as Figure 1-8 As shown, a method to improve the precision of steel pipe arch rib section base metal steel plate flame cutting, the specific unloading method steps are as follows:

[0052] Step 1: Select raw materials, determine the steel pipe arch rib tube section base metal cutting and unloading method steps and corresponding raw material production equipment, and carry out trial operation of production equipment;

[0053] Step 2: Sheet lofting, CNC programming of the automatic CNC flame cutting machine, compiling the running trajectory of the nozzle in the PLC controller, and debugging the relevant parameters;

[0054] Step 3: Before the formal cutting, let the nozzle go empty according to the NUMERICAL control programming to simulate the cutting trajectory;

[0055] Step 4: The automatic CNC flame cutting machine begins to cut formally, and after the cutting is completed, a piece of barrel base metal steel plate is still four points uncut;

[0056] Step 5: Manually use a...

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Abstract

The invention discloses a method for improving flame cutting and blanking precision of a steel tube arch rib shell section base metal steel plate, which comprises the following specific blanking steps: step 1, selecting raw materials, determining the steps of the steel tube arch rib shell section base metal cutting and blanking method and corresponding raw material production equipment, and carrying out trial operation on the production equipment; step 2, lofting a steel plate, performing numerical control programming on a full-automatic numerical control flame cutting machine, compiling a running track of a cutting nozzle in a computer, and debugging related parameters; thirdly, before formal cutting, the cutting torch is made to run for one round in an idle mode according to numerical control programming, and the cutting running track is simulated; fourthly, the full-automatic numerical control flame cutting machine begins to conduct formal cutting, and after cutting is finished, four points of the shell section base metal steel plate are still not cut; the blanking and cutting precision of the steel pipe arch rib shell section base metal steel plate is improved, it is ensured that the blanking precision and quality of the steel plate are within the controllable range, and a foundation is laid for a series of subsequent machining and manufacturing of the steel pipe arch rib with the high precision requirement.

Description

Technical field [0001] The present invention belongs to the field of cutting and unloading technology, specifically relates to a method of improving the precision of steel pipe arch rib section base metal steel plate flame cutting cutting. Background [0002] Steel pipe concrete arch bridge steel pipe arch rib manufacturing precision requirements, processing difficulty, many processes and technical complexity, so in the steel structure processing of each process of the quality and precision control of the linear shape of the bridge has played a vital role, steel plate cutting as the first processing process of steel pipe arch rib manufacturing, which has a direct impact on the geometric dimensional accuracy and quality of a single cylindrical segment forming, and continues to affect the subsequent main chord pipe manufacturing, main arch rib unit manufacturing, assembly matching manufacturing processing accuracy, Therefore, the control of the cutting accuracy of steel plate cutti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K7/10B23K7/00
CPCB23K7/10B23K7/00Y02P90/02
Inventor 吕益权陈冠名周洪剑莫素碧梁涛李春英黄诗君甘子锋
Owner 广西桂通工程管理集团有限公司
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