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Automobile axle housing

A technology for axle housings and automobiles, which is applied to axles, wheels, and vehicle parts. It can solve problems such as low material utilization, low fatigue life at welds, and high welding quality requirements, so as to increase integrity and structural strength, and eliminate welding. Defects, the effect of optimizing the processing technology

Pending Publication Date: 2018-06-15
闫永东
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The axle housing body produced by this method has long welding seams and high welding quality requirements. If the control is not proper, it is easy to have quality problems such as low fatigue life and oil leakage at the weld seams
Because the six steel plates have to be cut and blanked separately, the material utilization rate is low and the production process is long

Method used

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  • Automobile axle housing
  • Automobile axle housing
  • Automobile axle housing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0076] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0077] An automobile axle housing, the automobile axle housing is a hollow shell, the upper and lower bottom surfaces of the automobile axle housing are a pair of parallel end surfaces, and the axle housing body includes a bridge that expands into a circle through a mold along the width direction. The middle part of the axle housing and the ends of the axle housing symmetrically distributed on both sides of the middle part of the axle housing, the upper and lower bottom surfaces of the middle part of the axle housing are respectively provided with circular through holes 71 .

[0078] Further, a circular end 72 is formed on the end stop of the end of the axle housing.

[0079] Further, made by the following steps:

[0080] Step 1, cutting the tubing:

[0081] Cutting the circular steel pipe into a first intermediate product 1 with an outer diameter D1, an in...

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Abstract

The invention relates to an automobile axle housing. The automobile axle housing is a hollow housing, and the upper bottom surface and the lower bottom surface of the automobile axle housing are a pair of parallel end surfaces; and an axle housing body comprises an axle housing middle part which is expanded into a round shape through a mould in the width direction and axle housing end parts whichare symmetrically distributed on the two sides of the axle housing middle part, and round through holes are formed in the upper bottom surface and the lower bottom surface of the axle housing middle part correspondingly. According to the automobile axle housing, compared with a traditional process, a long straight weld seam and a triangular plate weld seam of the axle housing can be omitted, a weld defect is avoided, and the defect of oil leakage is eliminated correspondingly, so that the integrity and the structural strength of the axle housing are greatly improved.

Description

technical field [0001] The invention relates to the technical field of auto parts, in particular to an automobile axle housing. Background technique [0002] In the past stamping and forming of automobile axle housings with steel plates, the steel plates were cut and blanked into two pieces of blanks, and the two pieces of blanks were stamped into two pieces of bow-shaped channel parts respectively, and the welding seams were cut and processed, and then the two pieces of bow-shaped grooves were cut. The groove parts are butt-welded to form the main body of the axle housing, and then four triangular plates are welded to form the main body of the axle housing. Therefore, an axle housing body needs to be stamped and welded with six steel plates. The axle housing body produced by this method has long welding seams and high welding quality requirements. If the control is not proper, it is easy to have quality problems such as low fatigue life and oil leakage at the weld seams. ...

Claims

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Application Information

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IPC IPC(8): B21D53/88B21D39/20B21D3/16B21D41/04B21D31/00B60B35/16
CPCB21D3/16B21D31/00B21D39/20B21D41/04B21D53/88B60B35/16
Inventor 闫永东
Owner 闫永东
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