Method for fabricating zirconium oxide high-pressure cylinder piston rod

A manufacturing method and piston rod technology, which is applied in the field of manufacturing high-pressure zirconia cylindrical piston rods, can solve the problems of stainless steel corrosion resistance, poor high-pressure wear resistance, and unsuitability for high-pressure abrasive environments of water cutting machines, so as to improve product performance , high hardness and simple method

Inactive Publication Date: 2014-06-04
邓湘凌
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Most of the traditional piston rods are made of stainless steel through rolling process, but the corrosion resistance, high pressure resistance and wear resistance of stainless steel are poor, so they are not suitable for the high pressure abrasive environment of water cutting machines in the industrial cutting field

Method used

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Embodiment Construction

[0025] In order to further illustrate the technical means adopted by the present invention and its effects, the following is a detailed description in conjunction with preferred embodiments of the present invention.

[0026] A kind of manufacturing method of zirconia high-pressure cylindrical piston rod of the present invention comprises the following steps:

[0027] Step 1, providing zirconia powder.

[0028] The particle size of the zirconia powder is 300-400nm.

[0029] Step 2, making the zirconia powder into a cylindrical piston rod green body.

[0030] The manufacturing process of the cylindrical piston rod body is the same as that of the existing ceramic body.

[0031] Step 3, placing the cylindrical piston rod green body in a high-temperature sintering furnace body;

[0032] The high-temperature sintering furnace can be a two-way hot-pressed high-temperature oscillating sintering furnace, which adopts a double indenter structure, and achieves uniform force by pressin...

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Abstract

The invention provides a method for fabricating a zirconium oxide high-pressure cylinder piston rod. The method is simple, zirconium oxide powder is taken as a raw material, a zirconium oxide high-pressure cylinder piston rod blank is sintered under the two-way hot-pressing temperature oscillation condition, and the product performance is improved, so that the prepared piston rod is free of metal, free of pollution, and applicable to a high-pressure abrasive environment, and has the characteristics of being high-pressure resistant, wear-resistant, corrosion-resistant, high in hardness, less in deformation possibility and the like.

Description

technical field [0001] The invention relates to a manufacturing method of a piston rod, in particular to a manufacturing method of a zirconia high-pressure columnar piston rod. Background technique [0002] The piston rod is a connecting part that supports the piston to do work. It is widely used in fields such as hydraulic pneumatics, construction machinery, automobile manufacturing, biopharmaceuticals, and industrial cutting. The piston rod is a moving part with frequent movements and high technical requirements. The quality of its processing directly affects the life and reliability of the entire product. [0003] In the field of industrial cutting, the piston rod is usually used in the motion execution parts of the water jetting machine. The water cutting machine is a machine that uses high-pressure water jet cutting. Under the control of the computer, it can carve the workpiece arbitrarily, and is less affected by the texture of the material. Because of its low cost, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B35/48C04B35/622
Inventor 邓湘凌
Owner 邓湘凌
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