PPR 4 layer co-extrusion line
PPR 4 layer co-extrusion line description：
The production line of three-layer co extrusion PPR pipe is a new product developed by our company by introducing and absorbing foreign advanced technology. Its screw, die and other key components are specially designed according to the characteristics of pp-r. Through the three-layer coextrusion technology, the spiral three-layer co extrusion die with special design is adopted to ensure the uniform thickness of three layers and the thickness of each layer can be adjusted arbitrarily. Spiral split die can be equipped with static mixing system. The material layers are fully overlapped with each other. Compared with the traditional support die head, the internal pressure is more uniform. In the form of ABA, the glass fiber in the middle reinforcement layer is arranged regularly, and organically melts with the inner and outer PPR layers to form a whole, which significantly overcomes the overhanging phenomenon of the pure PPR pipe in surface installation, and reduces the linear expansion coefficient of the pipe. Compared with pure PPR pipe of the same specification and pressure grade, it can save material, reduce cost and be more competitive. The production line is equipped with automatic vacuum feeding machine and automatic constant temperature dryer; the designed vacuum sizing and cooling system is made of stainless steel water tank and cooled by multi-stage water mold to ensure the requirements of high-speed production of thick wall pipe and large-diameter pipe. High torque reducer, frequency converter, PLC, touch screen, electric control system, inkjet printer and so on are imported products. New chip free automatic cutting saw, smooth cutting section, high precision, low noise and so on. It can produce HDPE silicon core pipe, ordinary PPR, PE, PEX pipe. Provide process formula and turnkey project.
Characteristics of PPR four layer tube extruder production line ：
1. This machine is mainly used for pipe production with PPR resin as raw material. 2. The design of slotted feeder barrel and barrier screw can improve the plasticizing effect. 3. High extrusion rate, low melt temperature and uniform temperature. 4. Barrier type two pole mixing, i.e. special screw for day, slotting barrel. 5. Equipped with a new type of secondary split die, with the characteristics of low temperature and low pressure extrusion: water film sizing sleeve, to ensure the high-speed production of pipes. 6. The production line is controlled by PLC, and PPR cold and hot water Pipe Production Line manufacturer has good man-machine interface. 7. The marking line can be selected to extrude to produce the pipe with color mark. The production line can produce PE pipe by changing mould. 8. Random polypropylene production line is mainly used to produce pipe production line with PP-R resin as raw material, and also suitable for pipe production with PP, Pb and PE resin as raw materials. SJ-65 / 33 is used as extruder, equipped with corresponding mould, cooling device and traction device, which is used for continuous and efficient extrusion of pipes. It has the characteristics of stable quality and convenient operation.
PPR Pipe 4-Layer Co-extrusion Line production process
Drying of raw materials→ Extrusion molding → Vacuum sizing → Spray cooling → Haul-off → Fixed length cutting → Pipe filling and unloading
PPR 4 layer co-extrusion line photos
SJ65/33 extruder of PPR 4 layer co-extrusion line
1. Single screw extruder: model SJ65 / 33
2. Cylinder and screw material: 38CrMoAlA,
3. Cylinder and screw structure: barrier screw, asymmetric slotted barrel design.
4. The gearbox is equipped with strong thrust bearing and high torque output; the gear is made of special alloy, with hard tooth surface and gear grinding process;
5. Temperature control table of OMRON
6. ABB or Siemens brand inverter
7. Schneider or Siemens AC contactor
8. Siemens Bede motor
9. Diameter of screw: Φ 65mm
10. Length diameter ratio of screw: 33:1
11. Driving motor power: 55kW high speed screw
12. Gearbox: high torque, low noise, hard tooth surface grinding reducer is equipped with external cooling circulation system
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Packaging of PPR 4 layer co-extrusion line
Exhibition of PPR 4 layer co-extrusion line
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