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Method for machining hub shaft tube

A processing method and hub shaft tube technology, applied in axles, wheels, transportation and packaging, etc., can solve the problems of material fiber damage, large machining allowance, affecting the mechanical properties of hub shaft tubes, etc.

Inactive Publication Date: 2015-03-04
湖南中联重科车桥有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Compared with the first method, this method reduces the machining allowance of the inner surface of the hub shaft tube correspondingly, but the machining allowance is still huge, and a large amount of surface metal cutting will cause the material fiber to be destroyed, which still affects the hub shaft Tube mechanical properties

Method used

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  • Method for machining hub shaft tube
  • Method for machining hub shaft tube
  • Method for machining hub shaft tube

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Embodiment Construction

[0022] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0023] like Figure 1-4 As shown, the processing method of the hub shaft tube provided by the specific embodiment of the present invention includes: first, extruding the hollow steel pipe 1 to form the hub shaft tube blank 2; secondly, machining the hub shaft tube blank 2 to obtain Hub shaft tube 4.

[0024] In this way, since the raw material for processing the hub shaft tube is hollow steel pipe, the hollow steel tube is extruded to obtain the hub shaft tube blank, and then the hub shaft tube blank is machined to obtain the hub shaft tube, therefore, only the outer surface of the blank can be cut Processing to remove the redundant cutting layer 3, while the ...

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Abstract

The invention discloses a method for machining a hub shaft tube. The machining method comprises the following steps: firstly, extruding a hollow steel tube to form a hub shaft tube blank; secondly, machining the hub shaft tube blank to obtain the hub shaft tube. By adopting the machining method, the metal chipping allowance of the outer surface of the hub shaft tube can be reduced remarkably, and the material utilization ratio is effectively increased. Meanwhile, an all-fiber texture of the hub shaft tube which is distributed in the axial direction can be well kept, the metallographic structure of the hub shaft tube is stabilized, and the service life is prolonged.

Description

technical field [0001] The present invention relates to the technical field of processing methods of vehicle parts, in particular, to a processing method of hub axle tubes. Background technique [0002] The hub shaft tube is an important part of the vehicle. It is arranged at both ends of the axle housing. Due to changes in road conditions, it is also subjected to complex alternating stresses. Therefore, the hub shaft tube is required to have metal flow lines distributed along the axial direction, dense metal structure and extremely high fatigue life. [0003] In the prior art, the hub shaft tube is usually processed by the following two methods. Specifically, the first method is to forge a solid blank by using a traditional hot forging method, and then perform machining. However, the wheel hub shaft tube forged by this processing method is a solid blank, so that the machining allowance of the inner and outer surfaces of the hub shaft tube is huge, the material is not full...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB23P15/00B60B35/004
Inventor 邓光明张波
Owner 湖南中联重科车桥有限公司
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