Production process special for PA66 plate product

A PA66, production technology technology, applied in the field of production technology dedicated to PA66 plate products, can solve the problems of low yield, deformation, rough surface, etc.

Inactive Publication Date: 2020-11-03
深圳市恩欣龙特种材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] The PA66 sheet produced by the above process has dark surface color, many internal pores, bubbles and pockmarks, poor

Method used

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  • Production process special for PA66 plate product
  • Production process special for PA66 plate product
  • Production process special for PA66 plate product

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0063] A kind of production technology specially used in PA66 plate products provided by the present invention, through figure 1 The PA66 special production equipment shown is used for production. Such as figure 1 As shown, the equipment includes a motor 1, a reduction box 2, a hopper 3, a dryer 4, a control cabinet 5, an exhaust hole 6, a screw 7, a flange joint 8, a square plate for the nozzle 9, a mold 10, and a mold frame 11 , brake seat 13, cutting machine 14, and oven etc.

[0064] The motor 1 , the reduction box 2 , the hopper 3 , the dryer 4 , the control cabinet 5 , the screw 7 etc. can constitute the main part of the equipment, and the screw 7 is arranged in the barrel. In the present invention, when producing PA66 sheet material, the dryer 4 can also be removed, and the common machine barrel can be replaced with a vented machine barrel, and the said PA66 plastic raw material can be heated by using the machine barrel and the extruding screw, The water contained in...

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PUM

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Abstract

The invention provides a production process special for a PA66 plate product. The production process comprises the steps that plastifying extrusion is performed, specifically, a machine barrel is divided into three areas to be heated at the specific temperature, and the specific extrusion speed is adopted; forming/shaping is performed, specifically, a compression forming area is divided into twelve areas for temperature constancy, and melts are constantly cooled by a cooling forming area, finally solidified, crystalized and shaped to be extruded; and plate cutting is performed. According to aPA66 plate obtained by the production process, the situation of the dark color of the surface is greatly relieved, the situations of pores, bubbles and acne scars inside the PA plate are reduced, performance is greatly improved, the rate of the finished product is high, skewing and deformation of the product are obviously relieved, and the smoothness of the product is obviously improved.

Description

technical field [0001] The invention relates to a production process specially used for PA66 plate products. Background technique [0002] Unless specifically indicated otherwise, what is described in this section is not prior art to the present application and is not admitted to be prior art by inclusion in this section. [0003] PA66, commonly known as nylon-66, has high mechanical strength and hardness, wear resistance, heat resistance, and great rigidity, and can be used as engineering plastics. PA66 sheet extrusion molding is to add granular materials into the barrel of the extruder from the hopper, and the materials are conveyed forward and compacted by the friction between the inner wall of the barrel and the surface of the screw under the extrusion force of the screw rotation. The heating device and friction preheating on the outside of the barrel melt and plasticize under high temperature and high pressure conditions. Then, the continuously rotating screw pushes t...

Claims

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Application Information

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IPC IPC(8): B29C48/00B29C48/07B29C48/25B29C48/80B29C48/86B29C48/875B29C48/87B29C48/92B29C71/02
CPCB29C71/02B29C48/0022B29C48/07B29C48/25B29C48/832B29C48/865B29C48/87B29C48/875B29C48/92B29C2948/92704B29C2948/92895B29C2948/92904
Inventor 刘福华
Owner 深圳市恩欣龙特种材料股份有限公司
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