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A. Representative Materials Working Capability Schedule Of SHJ-50D
Twin-screw Extruder (Reference Values)
Process | Representative materials |
Mixing nature-changing | PE,PP,PS+SBS;PA+EPDM PP+NBR EVA +Silicon rubber, etc. |
PE,PA,PC,CPE+ABS(alloy) ABS+TPU;PBT+PE PP+ PE, etc. | |
Filling nature-changing | PE,PP,EVA ,ect.+ Calcium carbonate ,talcum powder, titanic powder ABS,PC,PS etc.+ aluminum hydroxide, magnesium hydroxide, antimony oxide. |
PP,PA,ABS +ferrous powder, sulphuric powder, ceramic powder | |
Functional machine pellets | PP,PA,ABS,PBT, etc+ anti-burning agent and other auxiliary agents,combustion-supporting machine pellets |
PE,PP,PS, etc+ starch,de-composing machine pellets | |
PE+ fog-preventing dipper,stabilizer, dual-prevention machine pellets | |
PE,EVA,ABS etc+ carbon black,black machine pellets | |
Colored machine pellets | PE,PP,ABS,AS,PA,EVA,PET +pigment and auxiliary |
Intensified glass fibres and carbon fibres | PP,PBT,ABS,AS,PA,PC,POM,PPS,PET etc.+ long fires,small fibres,carbon fibres,crystals and so on, etc. |
Various cables | HDPE,LDPE,LLDPE,MDPE,EVA,PVC,PP, etc. insulating cables,coatings PE peroxide,silicon alkyl crossing cables radialization crossing cables |
Special materials | EVA heat-melting glue, polyurethane, fluorine rubber, fluorine plastics, PP cigarette filtering material and TPR sole material |
Reaction extruding | Polyamide condensate, polyamide melting polymerization, polyamide polyethene-adding, polycarbonate condensate, etc. |
Exhausting and volatilization | Polystyrene oxide, high-absorbing resin, chlorine sulphur polyethylene |
Powder paint | Polyester, ring oxide, lactide, polyurethane, acrylate |
B. SHJ-50D twin-screw extruder
Host Machine Standard Configuration
1. One set of SHJ-50D twin-screw metering feeder
2. Gearbox
3. Lubrication oil cooling system
4. Main motor
1 ) Main motor power 55KW(AC motor)
2 ) Motor rotating speed ( MAX)1500RPM
5. Screw
1 ) screw diameter: max. diameter D=Φ50.5mm,min. .
2 ) L/D = 44
3 ) Blocking screw
4 ) The screw core shaft is made of 40CrNiMoA, and the screw thread components connect with the core shaft in an involute curve, which features high intensity, large load, and easy disassembly and assembly.
5 ) The screw components are made of high quality high-speed tool steel, W6Mo5Cr4V2, that receives heat treatment with vacuum hardening at high temperature.
6 ) Whole hardness: HRC58~62
6. Barrel
1) Barrel length: L = 210mm/section. The barrel body is made of #45 steel with alloy cover. Barrel cooling way: Water cooling.
2) The other cylinders are of closed mouth type.
7. Heating system
8. Vacuum Degasifier
9. Soft Water Circulatory System
10. Interlock control system
11. Screen changer system
Applies plate-style hydraulic screen changer; cast copper plate-style screen changing heater.
12. Electrical cabinet
phase 380V,AC 50Hz
Main electrical control components are Siemens products
Control buttons are Schneider products from France.
Main motor is an AC motor with a power of 250/315/400KW
The Japan YASKAWA frequency converter is adopted for the speed regulation device of the host machine.
The Japan YASKAWA frequency converter is adopted for the speed regulation device of the feeder.
Intelligent temperature control instrument exported from Japan with PID parameter automatic setting and instruction in open circuit of heater
Intelligent pressure meter, with metering range of 0~25Mpa
Electromagnetic valve from Holland JORK
The electric control cabinet controls the temperature control system, the driving
system and the interlock control system.
C.Pelletizing mode:
1) Water cooling strands pelletizing line
(1) High speed mixer (2) Solids conveyer (3)Main feeder (4) Side feeder (5) Glass fiber (6) Twin screw extruder (7) Water trough (8) Air-knife (9) Pelletizer (10) Product container
Co-rotating twin screw extruder