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A rapid prototyping method for anti-corrosion surface of screw rotor

A molding process and screw technology, applied in the field of screw rotor processing, can solve the problems of non-corrosion resistance, long construction period, and inability to maintain, and achieve the effects of long life, low investment cost, and high efficiency

Active Publication Date: 2020-02-14
安徽应元真空科技有限公司
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Problems solved by technology

[0006] The purpose of the present invention is to provide a rapid prototyping process for the anti-corrosion surface of screw rotors to solve the shortcomings of traditional metal material rotors such as long construction period, no anti-corrosion, and inability to maintain

Method used

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  • A rapid prototyping method for anti-corrosion surface of screw rotor
  • A rapid prototyping method for anti-corrosion surface of screw rotor
  • A rapid prototyping method for anti-corrosion surface of screw rotor

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specific Embodiment

[0080] A rapid prototyping process for the anti-corrosion surface of a screw rotor, which includes material preparation, mold clamping, filling, exhaust, pressure maintaining, cooling, and demoulding:

[0081] 1), material preparation: bake the anti-corrosion material PEEK plastic at a temperature of 120°C for 4 hours, and bake it into a liquid for later use; place the anti-corrosion material in the barrel of the injection molding equipment, and the temperature of the barrel is high The point is adjusted to 320°C, the nozzle temperature is 240°C; the storage volume is adjusted to 110% of the product consumption, of which 10% is used for pressure maintenance;

[0082] 2), Clamping, filling, exhausting:

[0083] Mold closing: install the mold on the injection molding equipment, adjust the relative position of the injection hole of the mold and the feeding hole of the equipment, and fix the mold on the injection molding equipment; connect the automatic temperature control hot wat...

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Abstract

The invention provides a rapid forming technology method for the anti-corrosion surface of a screw rotor. The rapid forming technology method comprises the steps of material preparing, die assembly, filling, pressure maintaining, cooling and demoulding. The defects that a traditional metal material rotor is long in machining period, not resistant to corrosion, cannot be repaired and cannot be reutilized are overcome. The product cost is greatly reduced, products are popularized, and the revolutionary significance is achieved for the vacuum industry and the air compressor industry.

Description

technical field [0001] The invention relates to a surface anti-corrosion treatment process of screw rotor profiles, in particular to a rapid prototyping process for screw rotor anti-corrosion surfaces, which belongs to the technical field of screw rotor processing. Background technique [0002] At present, the traditional screw rotor is processed by a lathe, which is characterized by the inability to process the internal profile of the screw; with the development of technology, the screw rotor can be processed by a machining center, but the internal profile of the screw The processing on the surface is limited, and the simple profile can be processed, but the complex profile cannot meet the requirements; the emergence of the five-axis machining center has broken this technical bottleneck, and can completely realize the processing of the complex profile of the screw rotor; The screw rotor is an important part of vacuum pumps and air compressors. Its processing and technology ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C45/14B29L31/08B29L1/00
CPCB29C45/14B29L2001/00B29L2031/08
Inventor 徐曦朱红梅
Owner 安徽应元真空科技有限公司
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