Machining method of high-abrasion resistance valve core

A processing method and high wear resistance technology, applied in the field of mechanical processing, can solve the problems of high performance of control valves and failure of normal operation of control valves, etc., and achieve the effect of stable quality and light weight

Inactive Publication Date: 2012-12-19
贵州凯星液力传动机械有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The spool is an important part of the control valve. In order to improve the wear resistance and manufacturability of the spool, the material of the spool is usually made of steel, but the self-weight of the steel spool affects the performance of the control valve in the precision control valve, especially if the valve is large. The valve core will affect the performance of the control valve even more, resulting in the control valve not working properly

Method used

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  • Machining method of high-abrasion resistance valve core

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Comparison scheme
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Embodiment Construction

[0016] Embodiments of the present invention: with figure 1 Take this as an example.

[0017] 1. Material preparation: choose 6A02-T6GB / T3191-1998 aluminum alloy bar.

[0018] 2. Turning processing:

[0019] (1) The outer circle φd2 end of the hard three-jaw clamp, turn one end face, drill, turn the center hole and the threaded hole, the tailstock thimble presses against the center hole, rough turn the outer circle φd1, and leave a margin.

[0020] (2) The outer circle of the soft three-jaw clamp is φd1 at the end of the car, and the center hole is drilled at the other end of the car, the tailstock thimble is pressed against the center hole, and the outer circle of the rough car is φd2, leaving a margin.

[0021] (3) The soft three-claw clamps the outer circle φd1, the tailstock thimble pushes against the center hole, semi-finishes the outer circle φd2, leaves the margin for finishing turning on the outer circle, and turns the ring groove of the φd2 section to the requirement...

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Abstract

The invention discloses a machining method of a high-abrasion resistance valve core. The method comprises a material preparing step, a turning step, a heat treatment step, a clinching step, a grinding step, a clinching step, a surface treatment step, a grinding step, a clinching step and the like. The valve core machined by the method is abrasion resistant, light in weight and stable in quality, and can meet the using performance of a precise control valve.

Description

technical field [0001] The invention relates to a processing method for a valve core with high wear resistance, belonging to the field of mechanical processing. Background technique [0002] The spool is an important part of the control valve. In order to improve the wear resistance and manufacturability of the spool, the material of the spool is usually made of steel, but the self-weight of the steel spool affects the performance of the control valve in the precision control valve, especially if the valve is large. The valve core will affect the performance of the control valve even more, resulting in the control valve not working properly. For this purpose, a high wear resistance spool is designed. The material of the spool is aluminum alloy, which is light in weight, and the wear resistance of the surface is equivalent to hardened steel parts after treatment. This kind of spool is wear-resistant and light in weight, thus satisfying the performance of the control valve an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P15/00
Inventor 吴晓霞叶义书
Owner 贵州凯星液力传动机械有限公司
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