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Steel wire rope plastic coating technology

A steel wire rope and process technology, applied in the field of steel wire rope plastic coating technology, can solve the problems of poor wear resistance, poor sealing performance, and reduced service life of plastic coated steel wire ropes, and achieve good anti-corrosion performance, low friction coefficient, and good lubrication performance. Effect

Inactive Publication Date: 2015-12-23
WUXI WEISHUN METAL PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the defects of the plastic-coating process of the plastic-coated steel wire rope, the plastic-coated steel wire rope has the following shortcomings: 1. Due to the possible external force, its sealing performance is not good, so its corrosion resistance can still be improved; 2. The steel wire rope There is point contact between the steel core and the outer strands, so its wear resistance is not good
These have led to a decrease in the service life of the plastic-coated steel wire rope

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A steel wire rope plastic coating process, comprising the steps of:

[0031] (1) Steel wire surface treatment before plastic coating; the steel wire surface is subjected to 60g / L NaOH solution, 60g / L NaOH solution 2 CO 3 solution, 2g / L Na 2 SiO 3 Solution washing, 100g / L HCl solution washing and drying at 150°C for 5min;

[0032] (2) Dip in plastic liquid for 3 seconds, and the surface of steel wire will be uniform film after dipping; the plastic liquid is polytetrafluoroethylene with a solid content of 20wt%, and the mixed acid is 10wt%, which is made of phosphoric acid and chromate plus distilled water Phosphoric acid 0.5g / ml and chromate 0.1g / ml, the balance is distilled water;

[0033] (3) After plastic coating, use electric heating equipped with a hot air blower to dry at 100°C and sinter at 350°C for 40s.

Embodiment 2

[0035] A steel wire rope plastic coating process, comprising the steps of:

[0036] (1) Steel wire surface treatment before plastic coating; the steel wire surface is subjected to 40g / L NaOH solution, 40g / L NaOH solution 2 CO 3 solution, 6g / L Na 2 SiO 3 Solution washing, 150g / L HCl solution washing and drying at 120°C for 30min;

[0037] (2) Dip in plastic liquid for 7s. After dipping, the surface of the steel wire is in a uniform film shape; the plastic liquid is polytetrafluoroethylene with a solid content of 10wt%, and the mixed acid is 10wt%. It is made of phosphoric acid and chromate plus distilled water Phosphoric acid 0.1g / ml and chromate 0.2g / ml, the balance is distilled water;

[0038] (3) After plastic coating, use electric heating equipped with a hot air blower to dry at 130°C and sinter at 380°C for 60s.

Embodiment 3

[0040] A steel wire rope plastic coating process, comprising the steps of:

[0041] (1) Steel wire surface treatment before plastic coating; the steel wire surface is subjected to 50g / L NaOH solution, 50g / L NaOH solution 2 CO3 solution, 4g / L Na 2 SiO 3 Solution washing, 120g / L HCl solution washing and drying at 140°C for 10min;

[0042] (2) Dip in plastic liquid for 4 seconds, and the surface of the steel wire will be uniform film after dipping; the plastic liquid is polytetrafluoroethylene with a solid content of 15wt%, and the mixed acid is 10wt%, which is made of phosphoric acid and chromate plus distilled water Phosphoric acid 0.3g / ml and chromate 0.15g / ml, the balance is distilled water;

[0043] (3) After plastic coating, use electric heating equipped with a hot air blower to dry at 120°C and sinter at 370°C for 50s.

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PUM

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Abstract

The invention relates to a steel wire rope plastic coating technology. The technology comprises the following steps: (1) processing the surface of a steel wire before plastic coating; (2) dipping a plastic liquid, the plastic liquid being a mixed acid solution in which polytetrafluoroethylene solid content is 10-20 wt%; (3) and processing after plastic coating. A plastic-coated steel wire rope manufactured by the plastic coating technology is good in anticorrosion performance, and has good lubricating property and low friction coefficient.

Description

technical field [0001] The invention relates to a steel wire rope processing technology, in particular to a steel wire rope plastic coating technology. Background technique [0002] The steel wire rope is a flexible rope twisted with multiple or multiple thin steel wires. The steel wire rope is twisted into strands by multi-layer steel wires, and then centered on the rope core, a certain number of strands are twisted into a helical rope. Steel wire ropes can be classified by shape, layer, state, etc. According to the shape, it can be divided into round strand steel wire rope, braided steel wire rope and flat steel wire rope; steel wire rope can be divided into single winding rope, double winding rope and triple winding rope according to the level of winding; steel wire rope can also be divided according to the contact state between each layer of steel wire in the strand There are 3 types of point contact, line contact or surface contact. In material handling machinery, it ...

Claims

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Application Information

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IPC IPC(8): D07B7/14
Inventor 李辉
Owner WUXI WEISHUN METAL PROD
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