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Extruded type cable sheath reparation method

A technology for cable sheathing and repairing methods, applied in cable/conductor manufacturing, circuits, electrical components, etc., can solve problems such as loss, poor repair appearance quality, and virtual welding, and achieve simple implementation, maintain mechanical properties and sealing, economical effect

Active Publication Date: 2012-03-28
宁波球冠电缆股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of product production or delivery, abnormal situations such as damage and glue breaking cannot be avoided.
If this happens, it can lead directly to rework or product segmentation
Both of these situations can cause large losses
In the past, it is usually not repaired, but if necessary, electric soldering iron, plastic welding torch, etc. are used for repair. After repair, there are shortcomings such as virtual welding, the thickness of the repaired sheath cannot be guaranteed, and the quality of the repaired appearance is poor; Customer can't accept

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A method for repairing an extruded cable sheath, comprising,

[0022] 1) Cut the repair layer into a slope of 0-30 degrees;

[0023] 2) Wrap the repair tape of the same material as the repair layer layer by layer until it is wound into a spindle shape with two small ends and a large middle;

[0024] 3) Neatly wrap the silicone rubber tape on the repair layer, and the outer diameter of the winding is 2 to 5 mm larger than the outer diameter of the mold;

[0025] 4) Put the cable into the special device, adjust the well frame so that the cable is in the center of the mold, and the repaired part is in the middle of the device;

[0026] 5) Close the device, do not press it tightly, and after the temperature rises to a constant temperature, carry out constant temperature heating;

[0027] 6) Screw the screw to pressurize;

[0028] 7) Continue cooling until the silicone rubber band is removed when hands can be touched;

[0029] 8) Check the surface condition, prevent fals...

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PUM

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Abstract

The invention relates to an extruded type cable sheath reparation method. According to the method, a repairing belt made of the same material as the cable sheath is melted and then connected together with the cable sheath through heating and constant temperature; the molten plastic becomes more dense and bubbles existing in the plastic are eliminated through pressurizing; and the repaired cable sheath can meet the requirement as regulated through follow-up process. The repaired parts of the cable repaired through the method provided by the invention retain the mechanical property and the leaktightness of the sheath; and the overall size and appearance can basically maintain the same with those of an original sheath through polishing. Therefore, the invention is simple to realize and has obvious economical effect.

Description

technical field [0001] The invention belongs to the technical field of cables, in particular to a method for repairing an extruded cable sheath. Background technique [0002] The extruded cable sheath is a tubular plastic layer that is continuously extruded from an extruder to cover the cable core. It is also usually the outermost layer of the cable product. Its main function is to prevent water, acid, alkali, etc. from corroding the cable. For this reason its radial tightness is very important. However, in the process of product production or delivery, abnormal situations such as damage and glue breaking cannot be avoided. If this happens, it can lead directly to rework or product segmentation. Both situations can cause great losses. In the past, it is usually not repaired, but if necessary, electric soldering iron, plastic welding torch, etc. are used for repair. After repair, there are shortcomings such as virtual welding, the thickness of the repaired sheath cannot ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/24
Inventor 温尚海傅伟文
Owner 宁波球冠电缆股份有限公司
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