PVC Jacked Machine
Overview
The Liquid tight hose machine is an very important production equipment, it is widely used in many industries such as plastics and rubber. It can turns different kinds of polymer materials, like plastic pellets and rubber raw materials, into continuous profiles with specific shapes. It is usually use to produce plastic pipes, plastic sheets, and the outer sheaths of electric wires and cables. It plays an indispensable role in many manufacturing fields.




Specification
|
Parameter |
Specification |
|
Machine Type |
Extrusion Coating Line |
|
Applicable Hose Diameter |
6 mm – 50 mm (adjustable) |
|
PVC Coating Thickness |
0.3 mm – 2.0 mm (adjustable) |
|
Extruder |
Single/Double Screw Extruder |
|
Screw Diameter |
45 mm – 90 mm (depending on output) |
|
Heating Zones |
3 – 5 zones (PID temperature control) |
|
Heating Power |
10 kW – 30 kW |
|
Cooling System |
Water-cooling tank (3 – 6 m length) |
|
Line Speed |
5 – 30 m/min (variable speed control) |
|
Tension Control |
Pneumatic or servo-controlled |
|
Preheating System |
IR or hot air preheater (optional) |
|
Material Used |
PVC (SG-5 or SG-7 grade) |
|
Power Supply |
380V, 50Hz (3-phase) or customizable |
|
Control System |
PLC + HMI Touchscreen |
|
Production Capacity |
500 – 2000 m/shift (depending on hose size) |
|
Machine Dimensions |
~15 – 25 m (L) × 2 – 3 m (W) × 2 m (H) |
|
Optional Features |
- Automatic thickness gauge |
Working Principle
When PVC coating cable hose machine is working, the raw materials are put into the barrel of the extruder from the hopper. Then, the barrel heats the raw materials through the heating device, which makes them soften and melt. At the same time, the screw rotates inside the barrel and pushes the molten raw materials to move towards the die head. During this process, the raw materials will be compressed and mixed evenly under the squeezing of the screw, so that to influence of the temperature and pressure in different areas inside the barrel. Finally, through the die with a specific shape at the die head, the materials are extruded and formed into the products with the desired shapes.
Product Features
The PVC corrugated hose machine has the characteristics of high efficiency and stability. It can continuously produce stably for a long time and ensure the production efficiency. The operation is relatively simple. Operators can master it skillfully after certain training. Moreover, it has strong applicability. By replacing different dies, it can produces products with different kinds of specifications and shapes, in order to meet the needs of different customers. Besides, the structural design of the equipment is quite reasonable, which is convenient for installation and maintenance.
Daily Maintenance
After finishing work every day, it's necessary to clean the residual materials in parts such as the barrel, the screw and the hopper to keep the equipment clean and tidy. Regularly check the wear conditions of transmission parts like the screw and gears. If serious wear is found, replace them in time. At the same time, pay attention to if the temperature control of the heating device is accurate, and if the circuit connection is normal or not. Also, add lubricating oil to each lubrication point on time. In this way, the service life of the extruder can be effectively extended.



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