SINGLE SCREW EXTRUDER

SINGLE SCREW EXTRUDER

SJ50 SJ65 SJ75 SJ90 SJ120 Single Screw Plastic Extruder Machine 

Introduction of single screw plastic extruder machine:
It can process all kind of plastic products with relevant auxiliary machines, such as pipe, stick, plate, thread, ribbon,film, insulating layer of cable, hollow products and so on. The machine design is advanced, production capacity is high, plasticization is good, and energy consumption is low. The extruder adopts hard gear surface gear box for transmission. It has advantages of low noise, smooth operation, large loading, long use-life and so on.
Features of single screw extruder machine:
1. It adopts advanced technology and results in high output, good plasticization and wide
applications.
2. It is suitable for various plastic materials such as PE,HDPE,LDPE, PPR, PP, ABS and PMMA.
3. Advanced computer module control system enables implementation of automatic control on
overall production line.
4. Temperature control system of excellent performance ensures stable output.
5. Powerful driven system assures durablity and easy maintenance.
6. Design of compulsively water-cooling and feeding grooved sleeve ensures steady and even
production.
7. Electricity-resistant heating ring and super noise-free ventilator is designed imitating  
imported product.
8. Low-abrasion design of screw
9. High fusion of material
10. Low consumption of energy
11. Excellent effect of prefabricated mixture production

Main Technical Parameters:

Model
L/D
Capacity (kg/h)
Screw Speed (rpm)
 Power (kw)
Center Height (mm)
SJ-25
25-30/1
1-5
120
1.1-2.2
1000
SJ-45
25-38/1
20-80
120
7.5-22
1000
SJ-65
25-38/1
60-200
120
37-55
1000
SJ-75
25-38/1
120-400
120
55-110
1000
SJ-90
25-38/1
250-600
120
55-180
1200
SJ-120
25-38/1
600-1000
90
90-315
1200
SJ-150
25-38/1
1000-1300
90
110-380
1200

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1.1 variable frequency motor 

1.2. Variable frequency speed regulation device (Huichuan / delta) 

1.3. Specific requirements:

1) Screw

-Diameter 90mM

-Aspect ratio 30:1

-Material 38CrMoAlA

-Surface treatment Nitriding, polishing

-Rotational speed 1-55r/min

2) Barrel

- material 38CrMoAlA

- internal surface treatment Nitriding, diffractive grinding

- heating method Ceramic heating ring

- heating power 18kw

- cooling system Barrel fan cooling

- cooling power 180w × five

3) Reducer (produced by Guomao)

- box material HT200

- gear form Helical gear

- gear material 20CrMnTi

- gear surface heat treatment and tooth surface quenching

- cold mode Internal circulating water cooling

4) Drive motor

- mode Variable frequency motor

- power 30KW

- motor controller frequency control

5) Control appliance

- contactor Siemens

- temperature control instrument Delta / Autonics digital display intelligent

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