Jiangsu Kemao Machinery Co., Ltd
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SHJ-20 Co-Rotating Twin-Screw Extruder
Main technic data
|
Parameter Model |
Length-diameter ratio(L/D) |
Screw Speed (rpm) |
Power of Main Motor (kw) |
Output (kg/h) |
|
SHJ-20 |
32-60 |
400-600 |
4-7.5 |
2-10 |
Technic data about SHJ-20 water-cooling strands twin-screw extruder
1. Feeder with twin-screw measure
Motor and feeder are designed direct-coupled, it contains horizontal mixer inside the feeding hopper. AC motor, imported frequency converter is usedto adjust speed.
2. SHJ-20 twin-screw extruder
a. L/D=32-60, diameter of the screw is 21.7mm, trough deep is 3.85mm, diameter of the barrels in side hole is 22mm.
b. The screw elements are connected to the core axle through involute spline.
c. Material of screw elements is high tool steel W6Mo5Cr4V2, hardness of the face is HRC 60-64, material of the barrels is double alloy .
d. Main motor of the twin-screw extruder is AC motor, imported frequency converter is used to adjust speed, screw speed is 60-600 rpm.
e. Copper casting heaters are used in barrels and exchange net,barrels are cooled by water.
f. Use the hand moves exchange net.
g. Gearbox is adopted parallel tri-axial structure, com bine reduction part and distribution part in to together, bearings are imported SKF product.
h. The motor of the oil pump lubrication system is AC motor.
i. The motor vacuum pump is AC motor.
3. Electric control system
Adopting imported PLC(SIEMENS) and frequency converter to achieve optimized process control. Magnet valve of the cooling barrels water-system is ITALY CEME.