CN103440926A - Processing technology of cables used for transmission of aeronautical data - Google Patents

Abstract

The invention discloses a processing technology of cables used for transmission of aeronautical data. The processing technology comprises the steps of cable core twist of silver-and-copper plated singles, extrusion insulation, pair twist, inspection, cabling, inspection, knitting, inspection, outer protective sleeve extrusion and finished product inspection. The cables of the processing technology are suitable for the cables used for transmission of the aeronautical data in the aerospace field, aims to meet the requirement for the light-weight cables used for transmission of the high-speed data in the aeronautical environment, and has the advantages of being light in weight, resistant to high temperature and low temperature, resistant to corrosion, and resistant to climate, achieving inflaming retardance and good electric performance, being capable of supporting transmission of superhigh frequency data.

Description

The processing technology of cable for a kind of aeronautical data transmission

Technical field

The present invention relates to the processing technology of a kind of aeronautical data transmission with cable, belong to the cables manufacturing field.

Background technology

Transfer of data with cable normally by the cable of several or at least two every group stranded similar ropes that form of several groups of wires; The cable of using for original transfer of data all adopts polythene material, because polyethylene is not suitable for using on rolling stock, and the polyethylene easy firing, and also when burning, the generation grease easily causes second-time burning; The waterproof and dampproof performance of this outer cable does not reach the demand of practical service environment, makes the stability of data information transfer can not get ensureing.

Summary of the invention

The object of the present invention is to provide the processing technology of a kind of aeronautical data transmission with cable.

The present invention adopts following technical scheme:

The processing technology of cable for aeronautical data transmission comprises: the core of silver-plated copper monofilament is stranded, extrude insulation, pair twist, check, stranding, check, braiding, check, extrude oversheath and product inspection, and concrete steps are as follows:

(1), by silver-plated soft circular copper wire by same direction stranded, outermost layer twists to being left-hand, obtains stranded core;

(2), the stranded core of step (1) is passed into to the insulator extruder, extrude insulator by the insulator extruder and encase described stranded core; Controlling insulator extruder working temperature is 280-350 ℃, obtains insulated wire cores;

(3), the insulated wire cores of step (2) is worn long respectively to wire carrier to die sinking, insulated wire cores and lead-in wire are connected together, slowly start, when being pulled to drum, the end of a thread shuts down, the defective part of the end of a thread is cut off, and draught line is pulled out, qualified the end of a thread is fixed on drum, and the semi-finished product after the check pair twist;

(4), the pair twist semi-finished product of step (3) are positioned on cabler, the start trial run, stranding is a bit of, according to the effect of stranding, adjusts pitch and roundness, and debugging is until meet manufacturing technique requirent repeatedly, and the semi-products after the check stranding;

(5), the cable after step (4) stranding wrapped up to clad aluminum foil in the periphery of insulator by braiding machine and, in the mesh grid of the periphery of clad aluminum foil braiding silver-gilt copper wire, then be wrapped on pay off rack, and check the semi-products after braiding;

(6), the cable of the woven silver-gilt copper wire mesh grid of step (5) is put into to plastic extruding machine, extrude oversheath outside cable, the raw material of the material of described extrusion molding and weight portion thereof are exhaustive fluorinated ethylene propylene 40-60, butadiene-styrene rubber 18-25, lignin fibre 3.5-4.5, aluminium nitride 6.0-8.0, diphenylguanidine TDM 1.1-1.3, antioxidant MB 1.2-1.5, calcium stearate 0.9-1.3 and octyl epoxy stearate 1.8-2.5, expressing technique homogenizing zone 158-175 ℃, fluxing zone 145-155 ℃, feeding section is 128-138 ℃, drawn drum after extruding, product inspection obtains.

Cable service condition of the present invention: 1. rated voltage: the rated voltage of cable is for exchanging 600V; Rated temperature: the nominal operation temperature of cable is (55～+ 200) ℃; Minimum bending radius: 8 times of product external diameters.

Beneficial effect of the present invention:

Cable of the present invention is applicable to the data cable that aerospace field is used, in order to meet the lightweight cable of high speed data transfer under aeronautical environment, that the present invention has is lightweight, high-low temperature resistant, corrosion-resistant, weather, fire-retardant and outstanding electrical property, can support the good characteristics such as hyperfrequency transfer of data.

Embodiment

Embodiment 1: the processing technology of cable for aeronautical data transmission comprises: the core of silver-plated copper monofilament is stranded, extrude insulation, pair twist, check, stranding, check, braiding, check, extrude oversheath and product inspection, and concrete steps are as follows:

(1), by silver-plated soft circular copper wire by same direction stranded, outermost layer twists to being left-hand, obtains stranded core;

(2), the stranded core of step (1) is passed into to the insulator extruder, extrude insulator by the insulator extruder and encase described stranded core; Controlling insulator extruder working temperature is 280-350 ℃, obtains insulated wire cores;

(3), the insulated wire cores of step (2) is worn long respectively to wire carrier to die sinking, insulated wire cores and lead-in wire are connected together, slowly start, when being pulled to drum, the end of a thread shuts down, the defective part of the end of a thread is cut off, and draught line is pulled out, qualified the end of a thread is fixed on drum, and the semi-finished product after the check pair twist;

(4), the pair twist semi-finished product of step (3) are positioned on cabler, the start trial run, stranding is a bit of, according to the effect of stranding, adjusts pitch and roundness, and debugging is until meet manufacturing technique requirent repeatedly, and the semi-products after the check stranding;

(5), the cable after step (4) stranding wrapped up to clad aluminum foil in the periphery of insulator by braiding machine and, in the mesh grid of the periphery of clad aluminum foil braiding silver-gilt copper wire, then be wrapped on pay off rack, and check the semi-products after braiding;

(6), the cable of the woven silver-gilt copper wire mesh grid of step (5) is put into to plastic extruding machine, extrude oversheath outside cable, (raw material of the jacket material of described extrusion molding and weight portion thereof can be exhaustive fluorinated ethylene propylene 40-60, butadiene-styrene rubber 18-25, lignin fibre 3.5-4.5, aluminium nitride 6.0-8.0, diphenylguanidine TDM 1.1-1.3, antioxidant MB 1.2-1.5, calcium stearate 0.9-1.3 and octyl epoxy stearate 1.8-2.5), expressing technique homogenizing zone 158-175 ℃, fluxing zone 145-155 ℃, feeding section is 128-138 ℃, drawn drum after extruding, product inspection obtains.

The experimental data of the cable that above-described embodiment 1 makes is as follows:

Claims (1)

1. the processing technology of cable for aeronautical data transmission is characterized in that comprising: the core of silver-plated copper monofilament is stranded, extrude insulation, pair twist, check, stranding, check, braiding, check, extrude oversheath and product inspection, and concrete steps are as follows:

(1), by silver-plated soft circular copper wire by same direction stranded, outermost layer twists to being left-hand, obtains stranded core;

(2), the stranded core of step (1) is passed into to the insulator extruder, extrude insulator by the insulator extruder and encase described stranded core; Controlling insulator extruder working temperature is 280-350 ℃, obtains insulated wire cores;

(3), the insulated wire cores of step (2) is worn long respectively to wire carrier to die sinking, insulated wire cores and lead-in wire are connected together, slowly start, when being pulled to drum, the end of a thread shuts down, the defective part of the end of a thread is cut off, and draught line is pulled out, qualified the end of a thread is fixed on drum, and the semi-finished product after the check pair twist;

(4), the pair twist semi-finished product of step (3) are positioned on cabler, the start trial run, stranding is a bit of, according to the effect of stranding, adjusts pitch and roundness, and debugging is until meet manufacturing technique requirent repeatedly, and the semi-products after the check stranding;

(5), the cable after step (4) stranding wrapped up to clad aluminum foil in the periphery of insulator by braiding machine and, in the mesh grid of the periphery of clad aluminum foil braiding silver-gilt copper wire, then be wrapped on pay off rack, and check the semi-products after braiding;

(6), the cable of the woven silver-gilt copper wire mesh grid of step (5) is put into to plastic extruding machine, extrude oversheath outside cable, expressing technique homogenizing zone 158-175 ℃, fluxing zone 145-155 ℃, feeding section is 128-138 ℃, after extruding, is drawn drum, and product inspection obtains.