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Method for forming special-shaped pipe fitting used in field of communication

Active Publication Date: 2021-04-13
NANJING COMPTECH COMPOSITES CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a method for forming special-shaped pipe fittings used in the field of communication in view of the deficiencies of the above-mentioned prior art. The wall is not easily deformed, and there are no defects such as pores and cracks

Method used

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  • Method for forming special-shaped pipe fitting used in field of communication
  • Method for forming special-shaped pipe fitting used in field of communication
  • Method for forming special-shaped pipe fitting used in field of communication

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A method for forming special-shaped pipe fittings used in the communication field, comprising the following steps:

[0035] (1) Clean the screen, put the empty special bucket on the outlet of the vibrating screen, open the vibrating screen, pour PTFE dispersion resin, and separate the large impurities and agglomerates.

[0036] (2) The electronic scale weighs an empty special barrel, peels it, pours PTFE dispersion resin with a weight ratio of 50% into the barrel, and takes out a specified weight of extrusion aid and anti-extrusion deformation powder from a measuring cup. The weight ratio of extrusion aid is 40%, the weight ratio of the anti-extrusion deformation powder is 10%, pour it into the barrel that has been added to the main resin, tighten the lid, fix the mixed barrel on the mixer, turn on the mixer to mix, and get the mixed material. Wherein the extrusion aid includes petroleum ether, aviation kerosene or isoparaffin, preferably isoparaffin. The anti-extrusi...

Embodiment 2

[0044] A method for forming special-shaped pipe fittings used in the communication field, comprising the following steps:

[0045] (1) Clean the screen, put the empty special bucket on the outlet of the vibrating screen, open the vibrating screen, pour PTFE dispersion resin, and separate the large impurities and agglomerates.

[0046] (2) The electronic scale weighs the empty special barrel, peels it, pours PTFE dispersion resin with a weight ratio of 40% into the barrel, and takes out the specified weight of extrusion aid and anti-extrusion deformation powder from the measuring cup. The weight ratio of extrusion aid is 20%, the weight ratio of the anti-extrusion deformation powder is 40%, pour it into the barrel that has been added to the main resin, tighten the lid, fix the mixed barrel on the mixer, turn on the mixer to mix, and get the mixed material. The extrusion aid includes petroleum ether, aviation kerosene or isoparaffin. The anti-extrusion deformation powder inclu...

Embodiment 3

[0054] A method for forming special-shaped pipe fittings used in the communication field, comprising the following steps:

[0055] (1) Clean the screen, put the empty special bucket on the outlet of the vibrating screen, open the vibrating screen, pour PTFE dispersion resin, and separate the large impurities and agglomerates.

[0056] (2) The electronic scale weighs an empty special barrel, peels it, pours PTFE dispersion resin with a weight ratio of 50% into the barrel, and takes out a specified weight of extrusion aid and anti-extrusion deformation powder from a measuring cup. The weight ratio of extrusion aid is 30%, the weight ratio of the anti-extrusion deformation powder is 20%, pour it into the barrel that has been added to the main resin, tighten the lid, fix the mixed barrel on the mixer, turn on the mixer to mix, and get the mixed material. The extrusion aid includes petroleum ether, aviation kerosene or isoparaffin. The anti-extrusion deformation powder includes c...

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Abstract

The invention discloses a method for forming a special-shaped pipe fitting used in the field of communication. The method comprises the following steps of (1) putting polytetrafluoroethylene (PTFE) dispersion resin on a vibrating screen, and separating out large impurities and agglomerates; (2) mixing the PTFE dispersion resin and an extrusion aid to obtain a mixture; (3) heating and standing the mixture to cure the mixture; (4) sieving the cured mixture by using the vibrating screen, and primarily compressing the sieved mixture to obtain a pre-pressed blank; (5) compressing the pre-pressed blank from a mouth model by using PTFE dispersion extrusion equipment, and extruding to obtain a special-shaped product; and (6) sintering the extruded special-shaped product. The method is used for forming the special-shaped pipe fitting used in the field of communication, the pipe wall of the prepared special-shaped pipe fitting is not prone to deformation, and the defects of air holes, cracking and the like do not exist.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a forming method for special-shaped pipe fittings used in the field of communication, which is used for the transmission of electronic signals and high-frequency mechanical waves. Background technique [0002] Conventional signal harnesses are usually made of PVC, PE, PP and other materials, but the materials have poor temperature resistance and corrosion resistance, and there are also large losses in the transmission loss of some high-frequency signals. [0003] PTFE material has excellent high temperature resistance and corrosion resistance, and the loss of high-frequency signal transmission is extremely low (10GHz, dielectric loss 0.0002); however, there are large dimensional changes and uneven molding pressure during the molding process of PTFE, which leads to serious product deformation At the same time, there are defects such as air holes and cracks in the pipe wall o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C48/03B29C48/15B29C48/25B29C48/30B30B9/00B07B1/28B29B7/02B29B13/02B29B13/10
CPCB29C48/03B29C48/15B29C48/30B29C48/25B07B1/28B29B13/10B29B7/02B29B13/02B30B9/00
Inventor 杨文光孙克原夏炎王孝刚徐辉刘向阳汪海飞陈路路陈中顺
Owner NANJING COMPTECH COMPOSITES CORP
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