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A method of manufacturing a joint

A manufacturing method and technology of copper joints, applied in the field of pipe fittings processing, can solve problems such as increasing the difficulty of processing metal joints

Active Publication Date: 2016-08-31
江苏仓环铜业股份有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also because of the high precision requirements for the metal joints and metal pipe fittings, the processing difficulty of the metal joints is increased.

Method used

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  • A method of manufacturing a joint

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Embodiment Construction

[0021] Below by specific embodiment and in conjunction with accompanying drawing, the present invention is described in detail:

[0022] In this specific embodiment, a copper tube is selected as the raw material.

[0023] See eg figure 1 Shown, a kind of manufacturing method of copper connector, comprises the following steps:

[0024] (1) Material selection: Select copper tubes that meet the requirements according to the drawings;

[0025] (2) Material preparation: sawing the copper tube into small tube blanks according to the drawing size;

[0026] (3) Deburring: remove all burrs on the section of the tube blank;

[0027] (4) Diameter reduction: The tube blank is clamped on the instrument car, and one end of the tube blank is subjected to diameter reduction treatment, and processed into workpieces with different pipe diameters that meet the requirements of the drawings. The workpieces after diameter reduction treatment include pipe diameters smaller than The first pipe se...

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Abstract

The invention relates to a manufacturing method of a connector. The method comprises the steps of (1) material selection, wherein a satisfactory metal tube is selected according to a product drawing; (2) material preparation, wherein the tube is sawed into small sections of tube blanks according to the drawing size; (3) necking, wherein necking processing is carried out on one end of each tube blank, and a workpiece obtained after the necking processing comprises a first tube section with a tube diameter smaller than that of each tube blank, a second tube section with a tube diameter equal to that of each tube blank, and a transition tube section used for connecting the first tube section and the second tube section; (4) rough machining, wherein a right angle formed by the outer wall and the cross section of the second tube section is ground into a smooth oblique plane as required by the drawing, and certain machining allowances are reserved; (5) deburring, wherein all burrs of the workpiece are removed; (6) finish machining, wherein the workpiece is machined into a final size required by the drawing; (7) detection and packaging. A finished workpiece manufactured with the method has the advantages that the size meets technical requirements and the appearance is flawless.

Description

technical field [0001] The invention relates to the field of pipe fitting processing, in particular to a method for manufacturing joints. Background technique [0002] Among the renewable resources, the solar energy industry has become a green sunrise industry with the largest production scale, the highest degree of independent intellectual property rights, the widest popularity and the strongest development potential in China. The solar collector tube is the core component of the solar collector, and its structure generally consists of an inner tube, an outer glass tube, a rod, and a joint. The precision metal pipe joint for solar energy is widely used in the production of solar heat collecting pipes, one end of which is connected to the inner pipe, and the other end is welded with glass. Since the thermal expansion coefficient of metal is quite different from that of glass, it is necessary to strictly control the wall thickness of metal pipe fittings. By controlling the w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23P15/00
Inventor 李树刚谷玉东王明星杨晓磊谢彬刘磊
Owner 江苏仓环铜业股份有限公司
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