Process for producing wheel rim

A production process and production process technology, applied in the production process of rims, can solve problems such as quenching cracks, affecting product service life and production costs, shrinkage holes, etc., to achieve the effect of tight organization

Inactive Publication Date: 2004-04-28
HUARONG FORGING LIYANG CITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The product produced by this production process has loose internal structure and often has shrinkage cavities, especially quenching cracks often appear in the subsequent process, which seriously affects the service life and production cost of the product.

Method used

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Examples

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Embodiment Construction

[0006] The production process of wheel rim of the present invention is as follows:

[0007] Choose 35 that meet the performance technical indicators stipulated by the state # Steel and saw it into a piece of billet, send the billet into the heating furnace to heat at 1100 ℃ for 40 minutes, and then send the hot billet to the punching machine for punching to make the billet. Under the continuous punching, extrusion and forging of the punching machine, the billet becomes a billet in the shape of a rim with a round hole in the middle. The above-mentioned billet is sent into a heating furnace and heated at a temperature of 1050° C. for 30 minutes. The reheated blank is sent to the multi-point radial ring rolling machine for rolling processing, and rolled into a precision forging of the rim, and the rim is cooled during the rolling process. Carry out cutting processing to above-mentioned rim fine forging to make it meet the specification requirement of finished product. Finally,...

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Abstract

The production process of wheel rim with high quality steel includes sawing blank, heating, punching hole and rolling to form while constant forging and extrusion, cutting, inspection and storing. The wheel rim produced through the said process has no faults of loose internal structure, shrinkage cavity, quenching crack, etc. and has long service life and low production cost.

Description

Technical field [0001] The invention relates to the production process of the rim, and is especially widely applicable to the production process of the rim on various excavators, bulldozers and other crawler-type engineering machinery. Background technique [0002] The rim is also known as the tire, the guide wheel body or the wheel body. It is widely used in various construction machinery. At present, all kinds of rims are steel castings. Its production method is first casting and then cutting. The product produced by this production process has a loose internal structure and often has shrinkage cavities, especially quenching cracks often appear in the subsequent process, which seriously affects the service life and production cost of the product. Contents of the invention [0003] The deficiencies of the cast steel wheel rim produced by the above-mentioned production process. The invention provides a ring forging production technology. This technology can produce a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21K1/38
Inventor 王建庆宋德军傅祖平宋双骏
Owner HUARONG FORGING LIYANG CITY
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