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Method for rapidly manufacturing motor lorry operator cabin top cap

A cab and roof technology, applied in the field of rapid manufacture of truck cab roof, can solve application problems and other problems, and achieve the effect of reducing product development cost and shortening product development cycle

Inactive Publication Date: 2009-08-12
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, laser butt welding of large three-dimensional body parts is still a difficult application problem

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Using laser cutting and welding technology, first select the incision position on the roof of the truck cab, and carry out laser cutting along the left and right directions to separate the roof of the cab from front to back; add a strip with a width of 100mm in the middle of the separated roof of the cab The partial roof with the same plate thickness and the same section shape of the laser cutting cuts on both sides; the separated cab roof and the added equal-section partial roof are laser butt-welded along the laser cutting cut, and the welds are two , complete the rapid manufacture of the cab roof from a single row to a row and a half.

Embodiment 2

[0013] Using laser cutting and welding technology, first select the incision position on the roof of the truck cab, and carry out laser cutting along the left and right directions to separate the roof of the cab from front to back; add a strip with a width of 1000mm in the middle of the separated roof of the cab The partial roof with the same plate thickness and the same section shape of the laser cutting cuts on both sides; the separated cab roof and the added equal-section partial roof are laser butt-welded along the laser cutting cut, and the welds are two , to complete the fast manufacturing of the cab roof from a single row to a row and a half.

Embodiment 3

[0015] Using laser cutting and welding technology, first select the incision position on the roof of the truck cab, and carry out laser cutting along the left and right directions to separate the roof of the cab from front to back; add a strip with a width of 2000mm in the middle of the separated roof of the cab The partial roof with the same plate thickness and the same section shape of the laser cutting cuts on both sides; the separated cab roof and the added equal-section partial roof are laser butt-welded along the laser cutting cut, and the welds are two , to complete the fast manufacturing of the cab roof from a single row to a double row.

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PUM

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Abstract

The invention relates to a method for rapidly manufacturing truck cab roof cover. The method is characterized by the adoption of laser cutting and welding technology. Firstly, an incision position is selected on the truck cab roof cover and then the laser cutting is carried out along left and right direction so as to divide the cab roof cover into two parts; a partial roof cover with width of 100 to 2,000mm having equal thickness of material and uniform sectional profile is withdrawn or added to the separated truck roof cover; then laser butt welding is carried out on the separated truck roof cover along the laser incision; the truck roof cover is modified from one row and a half and double rows to one row or from one row to one row and a half and double rows. The rapid and flexible manufacturing method of laser cutting and welding greatly decreases the product development cost and shortens the product development period.

Description

Technical field: [0001] The invention relates to a method for quickly manufacturing the top cover of a truck cab, which is a method for quickly manufacturing the top cover of a truck cab in batches by using laser cutting and welding technology, and belongs to the rapid and flexible manufacturing of auto parts. Background technique: [0002] In the trial production and small batch production of the cab roof of the truck variant, because the output cannot reach the minimum economic batch for manufacturing new stamping dies, the above work is generally completed by simple and rapid die split stamping and conventional splicing methods, but the manufacturing accuracy It is difficult to guarantee the tightness and strength after connection. With the continuous improvement of the manufacturing precision of truck body parts, higher manufacturing precision requirements are also put forward for the trial production and small batch production of large body panels for truck variants. L...

Claims

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Application Information

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IPC IPC(8): B23K26/00B23K26/24B23K26/38
Inventor 姚远陈博郑培和魏伟史宏志喻皓淳曹巍岩陈明孔德举秦芳石玫宋昊
Owner CHINA FIRST AUTOMOBILE
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