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Twelve-strand cable with high performance

A high-performance, rope technology, applied in the rope field, can solve problems such as poor accuracy and safety hazards, and achieve the effect of eliminating safety hazards and improving identifiability.

Inactive Publication Date: 2018-06-08
扬州神龙万康电材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The ropes in the prior art are usually twisted with multiple strands, and the service life of the ropes is generally judged by experienced masters according to the wear and tear on the surface of the ropes, especially the ropes used in ships. , but judging the service life of the rope based on experience, its accuracy is poor, and it is easy to have certain hidden dangers

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The present invention has the following characteristics,

[0015] Modification of polyester raw materials; select polypropylene with a molecular weight of 150,000, add 20% of high-density polyethylene with a molecular weight of 450,000, add conventional anti-ray light stabilizers, add photosensitizing additives, blending agents and antioxidants 6.5%, Modified into polymer copolymers by mixing;

[0016] Adjust the screw of the twin-screw extruder, increase the length-to-diameter ratio by 20%, and add a mixing device in the plasticizing section of the screw;

[0017] The spinneret hole of the spinneret is designed to be; the outer diameter is 0.8mm, and the long diameter is 1:9 to achieve high-pressure spinning;

[0018] Perform quenching after spinning, the cooling liquid temperature is 10°C, and the quenching time stays at 20 seconds, so that the fiber monofilament can rapidly increase the crystallinity;

[0019] High temperature oil bath stretching, stretching 8 time...

Embodiment 2

[0022] The present invention has the following characteristics,

[0023] Modification of polyester raw materials; use polypropylene with a molecular weight of 200,000, add 25% of high-density polyethylene with a molecular weight of 400,000, add conventional anti-ray light stabilizers, add 7% of photosensitizing additives, blending agents and antioxidants, Modified into polymer copolymers by mixing;

[0024] Adjust the screw of the twin-screw extruder, increase the length-to-diameter ratio by 20%, and add a mixing device in the plasticizing section of the screw;

[0025] The spinneret hole of the spinneret is designed to be; outer diameter 0.8mm, major diameter 1: 10, reaches high-pressure spinneret;

[0026] Perform quenching after spinning, the cooling liquid temperature is 12°C, and the quenching time stays at 15-30 seconds, so that the fiber monofilament can rapidly increase the crystallinity;

[0027] High temperature oil bath stretching, stretching 9 times, oil bath tem...

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PUM

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Abstract

The invention relates to a twelve-strand cable with high performance. The cable is made of a polyester material with the strength lower than that of a nylon rope. During use, the service life of the cable is relatively short. When the cable is broken, it means that the whole cable needs to be replaced. By interposing a polyester rope in the nylon rope, the service life of the whole cable can be judged according to the use conditions of the polyester rope so that workers can conveniently make a judgment, and the potential safety hazard is eliminated.

Description

technical field [0001] The invention relates to a high-performance twelve-strand cable, which belongs to the technical field of cables. Background technique [0002] The ropes in the prior art are usually twisted with multiple strands, and the service life of the ropes is generally judged by experienced masters according to the wear and tear on the surface of the ropes, especially the ropes used in ships. However, judging the service life of the rope based on experience, its accuracy is poor, and it is easy to have certain potential safety hazards. Contents of the invention [0003] The purpose of the present invention is to provide a 12-strand cable with high performance in view of the above defects. [0004] For this reason the technical scheme that the present invention adopts: the present invention possesses following characteristics, [0005] Modification of polyester raw materials: select polypropylene with a molecular weight of 100,000-200,000, add 10%-40% of high...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D07B1/02D01D13/00D01D1/04D01F1/10D01F6/92
CPCD07B1/02D01D1/04D01D13/00D01F1/10D01F6/92D07B2205/2039
Inventor 孙仕祥吕开蕾黄鹏
Owner 扬州神龙万康电材有限公司
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