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Home > Products > PLASTIC COMPOUNDING EXTRUDER > Under Water Twin Screw Extruder
Application For all types of plastic that require die face cutting and underwater cooling system.
Model No. RTU-38 RTU-58 RTU-78
Output (PC+ABS) 200~300 Kg/h 600~800 Kg/h 1200~1500 Kg/h
Install Dimension(M)(LxWxH) 9.2 x 1.3 x 1.8 12.5 x 1.5 x 1.9 15.2 x 1.5 x 2
Total weight 2400 kg 4000 kg 5800 kg

(1) MAIN EXTRUDER :

Screw dia. Ø39 Ø58 Ø78
L/D ratio 38~44 : 1 42 : 1 42 : 1
Main motor (AC) 75HP TECO 175HP TECO 375HP TECO
VF-variable frequency inverter driven VF-variable frequency inverter driven VF-variable frequency inverter driven
Gearbox gear material : 20CrNiMoA / carburizing quenching
gearbox oil cooling system: heat exchanger/ oil filter system
PID thermo controller 7 zones 7 zones 7 zones
Barrel air cooling water cycling cooling water cycling cooling water cycling cooling
(auto-start) (auto-start) (auto-start)
Screw material treatment W6Mo5Gr4V2 , vacuum heat treatment
Barrel material SKD - ∞ type inner, vacuum heat treatment
Screen changer hydraulic hydraulic hydraulic
Machine size (mm) 3620 x 1070 x 1800 5020 x 1160 x 1950 6440 x 1310 x 2050

(2) ADJUSTABLE SPEED FEEDING HOPPER :

Reducer motor 1/4 HP 1/4 HP 1/4 HP
VF - inverter driven VF - inverter driven VF - inverter driven
Speed reducing ratio 50 : 1 60 : 1 60 : 1
Reducing screw dia. Ø70 Ø90 Ø94
Hopper capacity 60~100 Kg 90~150 Kg 90~150 Kg
Machine size(mm) 600 x 600 x 920 730 x 730 x 1050 730 x 730 x 1050

(3) COOLING & DEHYDRATING CONTROL SYSTEM :

Dehydrator motor 2 HP 2 HP 2 HP
Water pump motor 2 HP 3 HP 5 HP
Water pipe dia. Ø50 Ø65 Ø65
Plate heat exchanger 116 x 160 x 286mm 116 x 160 x 286mm 116 x 160 x 286mm
Chiller motor 30HP 50HP 70HP
Machine size(mm) 2550 x 700 x 2080 2550 x 700 x 2080 2550 x 700 x 2080

(4) PELLETS’ CUTTING MACHINE :

Motor 5 HP 5 HP 7.5 HP
VF - inverter driven VF - inverter driven VF - inverter driven
Cutter material Alloy knife x 5 - 1set(replaceable) Alloy knife x 6 - 1set(replaceable) Alloy knife x 9 - 1set(replaceable)
Die face material Tungsten steel Tungsten steel Tungsten steel
Die head NON STOP Double hydraulic filter changer including melt pressure indicator NON STOP Double hydraulic filter changer including melt pressure indicator NON STOP Double hydraulic filter changer including melt pressure indicator
Model No. RTU-38 RTU-58 RTU-78
(1) VACUUM DEVICE :
Motor / rpm 3HP / 1750 rpm 5 HP / 1750 rpm 5 HP / 1750 rpm
Liquid sealing volume 6 liter / min

(2) VIBRATING PELLET SELECTOR & STORAGE TANK :

Vibrating motor 1/4HP x 2 sets
Sieving screen Upper layer Ø 6mm, Bottom 2mm x 20L / 304 stainless steel
Storage tank Volume : 620 liter / 304# stainless steel
blower motor 3 KW
Machine size (mm) 1400 x 1100 x 2800
Machine weight 300 Kg