闭路电视电缆的介绍和优势
介绍：
电缆的中心导体是BC。 BC代表裸铜线。 也可以是CCS。 CCS代表铜包钢。 BC具有很大的导电性。 它仅次于白银。 但是它的价格更高。 CCS相对便宜。 由于具有高频集肤效应，CCS用于在同轴电缆中传输信号。 （例如电视与VCD的连接，室外天线与CCTV等的连接）因此，与硬线相比，铜线具有更大的扩展强度。 它也可以用作在高山或河流中长期站立的架空电缆。
屏蔽分为三种类型，第一种是标准屏蔽。结构为单面APC（铝塑复合材料）胶带加上编织层。
第二个是三层屏蔽。结构为单面APC胶带加编织物加双面APC胶带。
最后，第三个是四层屏蔽。结构为单面APC胶带加编织，再加上双面APC胶带加编织。
屏蔽层可以帮助减少信号干扰。它可以防止外部条件影响传输。同样，它可以防止传输影响外部条件。
屏蔽层还用作外部导体。屏蔽层的厚度越大，密度越高，保护强度就越高。
屏蔽层的材料多种多样。它们包括铝聚合物胶带包裹，铜编织，铜胶带包裹等。迄今为止，同轴电缆已采用Al-Mg合金线的编织。因此它们可以增加强度并降低成本。铜线和覆铜铝线有点贵。因此，它的使用数量并不大。
优势：
首先，电缆具有多种应用。 它通常用于传输音频和视频信号。 您可以将其用于电视连接和计算机网络。
第二，电缆传输速度稳定。 此外，由于其绝缘，它在减少信号损耗和干扰方面也很出色。
第三，它非常耐用和灵活。 您可以使用很长时间。 而且，它很容易弯曲和运行。 因此，您可以轻松地自己安装它。
生产过程及相关机器
1. 物理发泡 →
HH-E-65+35 物理发泡双层共挤生产线
2. 编织→
HH-BR-高速 16/24 锭编织机
3. PVC 外护套 →
HH-E-PLC 70 押出机
4. 包装→
100m/Roll, 1000m/Spool
（1）成圈包装
（2）线盘包装
组件及参数
1. HH-E-65+35 Physical Foaming Two Layer Co-extrusion Machine
Application:
Two layer high pressure physical foaming production is used for high quality signal cable, data cable (skin-foam-skin) insulated core wire, adopt high pressure nitrogen inject to foaming in two layer co-extrusion production line.
Components:
|
No. |
Items |
Features |
|
1 |
400-630 active pay-off stand |
1 set |
|
2 |
Copper Wire preposition tension stand |
1 set |
|
3 |
Copper wire preheating machine |
1 set |
|
4 |
65 physical foaming host extruder |
1 set |
|
5 |
Automatic drying and feeding machine |
1 set |
|
6 |
35 inner skinning extruder |
1 set |
|
7 |
Siemens PLC electric control box |
1 set |
|
8
|
1.5m Movable water tank with cover |
1 set |
|
9 |
Diameter tester |
1 set |
|
10 |
8m Fixed water tank with cover and leak-proof |
1 set |
|
11 |
Underwater static capacitance tester |
1 set |
|
12 |
12 m Slide rail type + anode guide wheel storage rack |
1 set |
|
13 |
410mm tractor |
1 set |
|
14 |
Meter counter |
1 set |
|
15 |
High frequency spark tester |
1 set |
|
16 |
400-630 Double-head shaftless take-up stand |
1 set |
|
17 |
Accessories |
|
Parameters:
|
No. |
Items |
Features |
|
1 |
Inlet Wire Diameter |
0.8-2.0 mm |
|
2 |
Finished Wire Diameter |
3.0-8.0 mm |
|
3 |
Cross Sectional Area |
0.5-10 square mm |
|
4 |
Extrusion Speed |
Max 150 m/min |
|
5 |
Extrusion Capacity |
80 kg/h |
|
6 |
Foaming degree |
74% |
|
7 |
Centrality |
95% |
|
8 |
Installed Capacity |
75 kva |
|
9 |
Voltage |
380KV, can be customized |
|
10 |
Weight |
7800 kg |
|
11 |
Measurement (L*W*H) |
25*2.5*2.5 m |
|
12 |
Workers recommendation |
3 workers |
2. HH-BR-High Speed 16/24 Spindle Braiding Machine
Application:
It is suitable for the shielding or braiding of all kinds of high quality electric wire , computer wire etc.
Components:
|
No. |
Items |
Features |
|
1 |
16/24 Spindle Braiding Machine |
1 set |
|
2 |
Wire Combining Machine |
1 set |
Parameters:
A. 16 Spindle Braiding Machine
|
No. |
Items |
Features |
|
1 |
Braiding Direction |
Vertical |
|
2 |
Bobbin Number |
16 ( 8 is inside , 8 is outside ) |
|
3 |
Bobbin Size |
80mmx22mmx80mm |
|
4 |
Bobbin Speed |
50-150rpm |
|
5 |
Braiding Pitch |
3.2-35.5mm or 6.4-65mm |
|
6 |
Braiding Cable Diameter |
Max.14mm |
|
7 |
Production Speed |
Max.485 m/hour |
|
8 |
Braiding Wire Material |
0.1-0.2mm , Al, Mg wire , copper wire |
|
9 |
Reel Diameter |
630mm-800mm |
|
10 |
Main Motor Power |
1.1kw |
|
11 |
Product Weight |
854 Kg |
|
12 |
Dimension |
1200x1390x2350mm |
B. Wire Combining Machine
|
No. |
Items |
Features |
|
1 |
Combine wire diameter range |
0.08mm-0.4mm |
|
2 |
Speed |
0-5000 RPM |
|
3 |
Control |
Automatic stop when reel is full , or copper wire broken |
|
4 |
Motor |
0.75 KW Inverter motor , stepless speed adjustable |
3. HH-E-PLC 70 Extrusion Machine
Application:
This equipment is suitable for outer surface extrusion of wires and cables with insulation materials such as PVC/PE.
Components:
Parameters:
|
No. |
Items |
Features |
|
1 |
Inlet Wire Diameter |
1～4mm |
|
2 |
Finished Wire Diameter |
2～8 mm |
|
3 |
Cross Sectional Area |
1～6 square mm |
|
4 |
Extrusion Speed |
Max 400 m/min |
|
5 |
Extrusion Capacity |
140 kg/h |
|
6 |
Installed Capacity |
55 kva |
|
7 |
Voltage |
380KV, can be customized |
|
8 |
Weight |
4000 kg |
|
9 |
Measurement (L*W*H) |
24*3.5*3.5 m |
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