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Powder medium for tee pipe forming and its forming process

A molding process and technology for a three-way pipe are applied in the field of powder medium for forming a three-way pipe and its forming process, and achieve the effects of great versatility, low cost and good practical effect.

Active Publication Date: 2016-12-28
佛山市科鸿电器有限公司
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  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this extrusion process, when filling lead metal and removing lead metal, it is processed by manual operation machines, and production employees will have a lot of contact with lead metal

Method used

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  • Powder medium for tee pipe forming and its forming process
  • Powder medium for tee pipe forming and its forming process
  • Powder medium for tee pipe forming and its forming process

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Embodiment Construction

[0044] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0045] A powder medium for tee pipe forming, including industrial salt (NaCl), soda ash (Na2CO3) and wetting agent (sulfonated oil, soap, pull-off powder BX, soybean lecithin, mercaptans, hydrazides, sulfur Alcohol acetals or polyoxyethylene alkylate ethers (Poly-oxyethylene alkylate ether), made by mixing.

[0046] Industrial salt is 68%-87%, soda ash is 10%-15%, and wetting agent is 0-21%.

[0047] Industrial salt is 68%, soda ash is 15%, and wetting agent is 17%.

[0048] Industrial salt is 70%, soda ash is 15%, and wetting agent is 15%.

[0049] The following are more specific extrusion medium formulations: the first one, 100 parts of industrial salt, 15 parts of soda ash, 28-30 parts of wetting agent; the second one, 100 parts of industrial salt, 15 parts of soda ash, and 10 parts of wetting agent parts; the third, 100 parts of industrial salt, ...

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Abstract

The invention relates to a powder medium and a technology for forming a three-way pipe. The powder medium is formed by mixing industrial salt, sodium carbonate and a wetting agent. The process comprises the steps as follows: 1, an appropriate straight-through pipe is selected; 2, the cavity of the straight-through pipe is filled with the non-metallic mixed powder medium comprising 68%-87% of the industrial salt, 10%-15% of the sodium carbonate and 0%-21% of the wetting agent; 3, the straight-through pipe filled with the powder medium is subjected to cold extruding, so that a T-shaped two-way pipe is initially formed; 4, the T-shaped two-way pipe is subjected to annealing treatment; 5, the annealed T-shaped two-way pipe is extruded into the needed three-way pipe; 6, the filled powder medium is removed; 7, the three-way pipe obtained in the step 6 is cleaned; and the cleaned three-way pipe is subjected to drying treatment. According to the powder medium and the technology for forming the three-way pipe, environmental protection requirements are met, the cost is low, the three-way pipe is good in forming effect, and the powder medium and the technology are suitable for extrusion of pipe fittings made of various materials.

Description

technical field [0001] The invention relates to a powder medium for forming a tee pipe and a forming process thereof. Background technique [0002] The traditional lead filling and extrusion process is: blanking→straight-through pipe filled with medium lead metal→cold extrusion→annealing→mechanical forming→removal of filler lead metal→pickling→drying→packaging. In this extrusion process, when filling lead metal and removing lead metal, it is processed by manual operation of the machine, and the production staff will have a lot of contact with the lead metal. [0003] When lead is heated to 400-500°C, lead vapor will escape to form lead smoke, which will pollute the air. When the lead smoke in the air reaches a certain concentration, lead pollution will form. However, the harm caused by lead pollution to the human body is mainly carcinogenic and gene mutation of the human body. Lead enters the human body through food and respiratory routes, causing acute or chronic toxic ef...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C37/29
Inventor 梁健波
Owner 佛山市科鸿电器有限公司
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