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Forming method of pure nickel tee

A forming method and technology of tee, applied in the field of forming pure nickel tee, can solve the problem of low hardness of pure nickel

Inactive Publication Date: 2019-01-11
上海飞挺管业制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Pure nickel has excellent corrosion resistance, especially strong alkali corrosion resistance, so it is widely used in alkali chemical equipment; but pure nickel hardness is very low

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] The invention provides a kind of forming method of pure nickel tee, the steps are as follows: a, select

[0015] Using the raw material, the tubular blank whose length is greater than the depth of the upset hole and whose diameter is the same as the upset hole is used as the raw material; b, injecting the solid particles deformable with pressure into the tubular blank of step a; c, the step b Put the rod-shaped billet injected with river sand into the forming mold to implement pier thickening, that is, the diameter of the upsetting part of the tubular billet increases, so that the cross-section of the tubular billet is in a "T" shape; d, the thickened tubular billet completed in step c The blank is put into the cavity of the molding die for shaping to form a tee pipe. By adding solid particles that can be deformed with pressure for pressure transmission to the raw material (tubular billet), the solid particles can on the one hand reach the pressure required for product ...

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PUM

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Abstract

The invention discloses a forming method of a pure nickel tee. The forming method is characterized by comprising the steps that a, a raw material is selected and used, a tubular blank with a length greater than the depth of an upsetting hole and the diameter same as the upsetting hole is used as the raw material; b, solid particles that can deform with pressure are injected into the tubular blankin the step a; c, the tubular blank injected with river sand in the step b is put into a forming mold for upsetting, that is, the diameter of the point, being subjected to upsetting, of the tubular blank is increased, so that the cross section of the tubular blank is in a "T" shape; and d, the tubular blank after upsetting in the step c is put into a mold cavity of the forming mold for forming, and a tee pipe is formed.

Description

technical field [0001] The invention relates to a processing and forming method of a tee, in particular to a forming method of a pure nickel tee. Background technique [0002] Pure nickel has excellent corrosion resistance, especially strong alkali corrosion resistance, so it is widely used in alkali chemical equipment; but pure nickel hardness is very low. [0003] The traditional hydroforming is to inject liquid into the tube blank with the same diameter as the tee, and squeeze the tube blank through the synchronous centering movement of the two horizontal side cylinders of the hydraulic press. After the tube blank is squeezed, the volume becomes smaller, and the liquid in the tube blank As the volume of the tube becomes smaller, the pressure increases. When the pressure required for the expansion of the tee branch is reached, the metal material flows along the inner cavity of the mold under the dual action of the side cylinder and the liquid pressure in the tube to expand...

Claims

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Application Information

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IPC IPC(8): B21D26/037
CPCB21D26/037
Inventor 黄荣国邹志轩邹继全钱云聪
Owner 上海飞挺管业制造有限公司
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