Shanghai Daoqin Plastics Co., Ltd.

一, TPE formed is electrical cable advantages

TPE兼 tool plastics and features, by is “ third generation combined formed 橡胶”. in TPE in, SBS styrene copolymer has important 位, is currently world upper output/production volume most large, development most fast types can substitute/replace PVC, soft 硫化橡胶 environmental protection thermoplastic property elastomer material.

application in electrical outer by and insulation elastomer and electrical 线方面 currently main/primary is low pressure or 直流, and other soft 线.

used for cable outer by and insulation 层方面 elastomer types type thermoplastic property elastomer types type very more, main/primary has polyolefin type thermoplastic property elastomer (TPO), styrene type thermoplastic property elastomer (SBC), thermoplastic polyurethane (TPU) (TPU), polyester type thermoplastic property elastomer (TPEE) and other. its in, due to TPO and SBC type excellent insulation retardant resistant property can, therefore used for cable outer by and insulation relatively more; 而TPU, TPEE generally used for cable outer by.

二, electrical cable manufacturing

electrical cable manufacturing and large more machine electrical product production methods is full different. machine electrical product usually using/adopting will parts assembly formed parts, more parts again assembly formed mono product, product 以台数 or parts amount. electrical cable is long degree is basic amount mono 位. has electrical cable is from processing 开始, in outer 围一层一层 add upper insulation, 屏蔽, formed 缆, and other made formed electrical cable product. product structure complex, add 层次就越 more.

图 sheet/slice deep 圳市久烁科技 has company

三, electrical cable product manufacturing process features

1． large long degree 连续叠 add combined production methods

large long degree 连续叠 add combined production methods, for electrical cable production effect/influence is full property and control property, this and and effect/influence to:

（1） production process process/workflow and equipment 布置

production workshop various equipment must product requirements process process/workflow combined 理排放, make stage/phase semi formed product, 顺次流转. equipment need production efficiency different 而进行 production can force balanced, has equipment can can must 配置两台 or more 台, can make production production can force balanced. from equipment combined 理选配组 combined and production 场 布置, must according to product and production amount balanced comprehensive 考虑.

（2） production tube/pipe 理

production tube/pipe must combined 理, 周密准确, fine 致, as must filament 不苟 按 process requirements 执行, 任何一 step/link issues, effect/influence process process/workflow 通畅, effect/influence product quality and 交货. especially is more cable, certain 一 线 for or basic mono long degree short, or quality issues, 则整根 cable long degree 不够, formed waste. 反之, if certain mono long degree long, must 锯 造 formed 浪费.

（3） quality tube/pipe 理

large long degree 连续叠 add combined production methods, make production process in 任何一 step/link, 瞬时发生一点 issues, effect/influence cable quality. quality defect is in inner 层, but also has and 时发现并终止 production, that formed loss 失就越 large. is electrical cable production different 于组装式 product, can heavy and more parts; electrical cable 任一部 parts or process process quality issues, for this cable is method and 弥补. rear 处理都 is separation 消极, is short is drop grade 处理, need waste strip/profile cable. it method heavy 装.

electrical cable quality tube/pipe 理, must 贯串整 production process. quality tube/pipe 理检查部门 need for production process 巡回检查, as 人自检, upper lower 工序互检, this is ensure product quality, improve/increase enterprise 经济效益 important ensure and 手段.

2． production process type more, material material amount large

electrical cable manufacturing and process type 广泛, from has color metal and pressure processing, to plastics, 橡胶, paint and other chemical industry technology; fiber material 绕包, weaving and other textile technology, to metal material and metal belt/tape 材 纵包, welding metal formed processing process and other and other.

electrical cable manufacturing use various material, type 别, product types, specifications more, but also amount large. therefore, various material use amount, use amount, material cycle and amount must 核定. meanwhile, for waste product separation understanding 处理, recycling, heavy utilizing and waste material 处理, as is tube/pipe 理 一 important inner 容, good material tube/pipe 理, heavy 视节约工 as.

electrical cable production in, from Raw Materials and various 辅助材 material 进出, 存储, 各工序 semi formed product to product 存放, 出厂, material material amount large, must combined 理布局, tube/pipe 理.

3． specialized equipment more

electrical cable manufacturing use tool has industry process features specialized production equipment, 以适应线缆 product structure, property can requirements, meet/satisfy large long degree 连续并尽 can can high speed production requirements, from formed manufacturing specialized equipment series. 如挤塑 machine series, machine series, machine series, machine series and other.

electrical cable manufacturing process and specialized equipment development related, versus promote. new process requirements, promote new specialized equipment generate and development; 反, new specialized equipment development, also improve/increase promote new process and application. wire drawing, 退火, extrusion 串联线; material foaming production and other specialized equipment, promote electrical cable manufacturing process development and improve/increase, improve/increase cable product quality and production efficiency.

四, electrical cable main/primary process

electrical cable is through: 拉 made, made, 包覆三 types process made as formed, Model/Grade specifications complex, heavy property high.

1．拉 made

in metal pressure processing in , in outer force function lower make metal strong/high through mold （ pressure 轮）, metal 横截面积 by pressure shrink ,并 obtain requirements 横截面积形状 and dimensions technology processing methods is metal made.

拉 made process separation: Monofilament made and made made .

2．绞 made

is improve/increase electrical cable soft/flexible degree, overall degree, let 2根 above mono 线, 按 规定 direction in 一起称 is made.

绞 made process separation: 导体绞 made, formed 缆, weaving, filament and 缠绕.

3．包覆

according to for electrical cable different property can requirements, using/adopting specialized equipment in outer 面包覆 different material. process separation:

A．挤包: 橡胶, plastics, 铅, aluminum and other material.

B．纵包: 橡皮, aluminum belt/tape material.

C．绕包: belt/tape 状 纸 belt/tape, belt/tape, alkali glass fiber belt/tape, 无纺布, plastics belt/tape and other, 线状 棉纱, filament and other fiber material.

D． 浸 coating: insulation 漆, and other

五, plastics electrical cable manufacturing basic process process/workflow

1． copper, aluminum Monofilament made

electrical cable commonly used copper, aluminum 杆材, in normal temperature lower, utilizing wire drawing machine through or tensile mold 模孔, make its decrease small, long degree increase, strong/high degree improve/increase. wire drawing is electrical cable company 首道工序, wire drawing main/primary process parameters is technology.

2． Monofilament 退火

copper, aluminum Monofilament in add hot to temperature degree lower, again crystallization methods improve/increase Monofilament tough property, reduce Monofilament strong/high degree, combined electrical cable for conductive requirements. 退火工序 key/critical is copper filament oxidation.

3．导体 绞 made

is improve/increase electrical cable soft/flexible degree, 以便于敷设安装, conductive 线芯采取 more Monofilament combined formed. from conductive 线芯 绞 combined upper, can separation is 规则绞 combined and non 规则绞 combined. non 规则绞 combined also separation is 束绞, 同心复绞, 特殊绞 combined and other.

is decrease/reduce 导线 占 use 面积, shrink small cable dimensions, in combined meanwhile using/adopting pressure 形式, make 普通圆形变异 is semi 圆, 扇形, and pressure 圆形. types main applications in power/electricity cable upper.

4． insulation extrusion

plastics electrical cable main/primary using/adopting 挤包实心 type insulation 层, plastics insulation extrusion main/primary technology requirements:

4．1．偏心 degree: extrusion insulation thick degree value is extrusion process water important 标志, large more product structure dimensions and its value in standards in has 明确 规定.

4．2． light slip degree: extrusion insulation surface requirements light slip, 不 出现 surface coarse 糙, 烧焦, defect quality issues

4．3．致 density: extrusion insulation 层 横断面 need 致密结实, has can 见 针孔, has bubbles in.

5． formed 缆

for/regarding more cable is ensure molding degree, decrease small cable outer 形, generally need will its combined is 圆形. combined mechanism and 导体绞 made versus 仿, due to made relatively large, large more using/adopting 无退扭 methods. formed technology requirements: is 杜绝异 type insulation 线芯翻身而导致 cable 扭弯; is anti insulation by 划伤.

large separation cable in formed meanwhile another 两 工序 完 formed: is filling, ensure formed rear cable and stability; is 绑扎, ensure 缆芯不松 dispersion.

6． inner 护层

is insulation 线芯不 by 铠装 疙伤, need for insulation 层进行适当 保护, inner separation: inner 护层（隔离 sleeve/set ） and inner 护层（垫层）. 绕包垫层代替绑扎 belt/tape and formed 缆工序同步进行.

7．装铠

敷设 in lower cable, as in can can 承受一定 positive pressure function, can selection inner belt/tape structure. cable in has positive pressure function also has force function combined （如 water in, 垂直竖井 or relatively large in ）, selection tool has inner filament structure type.

8． outer sleeve/set

outer sleeve/set is electrical cable insulation anti ring factors structure separation. outer sleeve/set main/primary function is improve/increase electrical cable machine strong/high degree, anti chemical 腐蚀, anti 潮, anti water 浸人, retardant cable and other can force. according to for cable different requirements utilizing machine 直接挤包 plastics sleeve/set.