Method for manufacturing rim of inner tire-free wheel

A manufacturing method and rim technology, which can be used in manufacturing tools, auxiliary devices, auxiliary welding equipment, etc., can solve the problems of rim welding dislocation and reduce grinding workload.

Inactive Publication Date: 2013-03-27
李昕远
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a method for manufacturing a tubeless wheel rim, which can solve the problem of welding misalignment during butt welding of the rim and reduce the grinding workload

Method used

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  • Method for manufacturing rim of inner tire-free wheel
  • Method for manufacturing rim of inner tire-free wheel
  • Method for manufacturing rim of inner tire-free wheel

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Embodiment Construction

[0016] Below in conjunction with accompanying drawing, this patent is described in further detail.

[0017] Such as figure 1 Shown, the manufacturing method of tubeless wheel rim of the present invention comprises the steps:

[0018] (1) Cut the prefabricated rim profile according to the diameter of the rim and roll it into a circle;

[0019] (2) The rounded rim profiles are rounded in turn, then cut and rounded;

[0020] (3) Heating both ends of the rounded wheel rim profile obtained in step (2) at 350°C-450°C and then pressing it to form a uniform arc of the welding part of the rim;

[0021] (4) butt-weld the rim profiles obtained in step (3) with the same curvature of the welding part to obtain the rim blank;

[0022] (5), scraping slag on the rim preliminary blank after butt welding obtained in step (4);

[0023] (6) Carry out rolling after heating the weld seam after scraping the slag, the heating temperature is 350°C-450°C.

[0024] In practical application, the tem...

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Abstract

The invention discloses a method for manufacturing the rim of an inner tire-free wheel. The method comprises the following steps of (1) coiling a prefabricated rim profile into a circle according to the diameter of the rim; (2) sequentially performing circle pressing, cutting and re-circling on the coiled rim profile; (3) after heating the two ends of the rim profile which is re-circled at the temperature of 350 to 450 DEG C, pressing and stretching the rim profile until the radian of a welding part of the rim is consistent; (4) performing butt welding on the rim profile of which the radian of the welding part is consistent to obtain a rim crude blank; (5) scrapping slag of the rim crude blank; and (6) after heating the rim of which the slag is scraped at the temperature of 350 to 450 DEG C to weld seam of the hub, grinding the rim. The problem of false welding is solved by the method, the yield is high, and the workload of grinding the welding part is low.

Description

technical field [0001] The invention relates to the field of wheel manufacturing, in particular to a method for manufacturing a tubeless wheel rim. Background technique [0002] Tubeless rim (steel rim) is a special product in auto parts. There are two traditional processing methods, one is: flat steel blanking → rolling → flattening → butt welding → shaving → rolling weld → Cutting → flaring → primary rolling → secondary rolling → triple rolling → expansion and shaping → air tightness → flushing door hole. However, the rim processed in this way is prone to stress concentration in the bending part, and the bending part is generally the part where the rim is subjected to a large force, which is easy to cause the rim to deform or even break, affecting the safety of the vehicle, and requires multiple times Roll type, the processing procedure is complicated, so this method of processing the rim is not very ideal. The Chinese patent application document with the publication num...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00B23K37/00
Inventor 杨树兴
Owner 李昕远
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