25mm Compounding Extruder Twin Screw Extrusion Granulator Co Rotating Twin Screw Pelletizer for New Material Formula Research
Feeder System
- Feeding motor: Swiss ABB servo motor
- Main feeding motor power: 0.4kW
- Planetary reduction ratio: 35:1
- Direct connection design between motor and reducer
- Horizontal agitator equipped inside feeding body for stable, uniform feeding without bridging
- Streamlined design for both feeding body and hopper ensures smooth material discharge and easy cleaning
Gear Reducer
- Reduction ratio: 2.5:1
- Maximum output shaft speed: 400RPM
- Maximum input shaft speed: 1000RPM
- Integrated transmission box combining speed reduction and torque distribution
- Parallel three-shaft design for compact structure
- NSK bearings applied for reduction, torque distribution, and radial bearings of output shafts
Main Motor
Mainframe motor: 4KW (AC motor)
AC motor maximum speed: 1450RPM
Brand: ABB
Screw Specifications
- Screw diameter: Φ21.7mm
- L/D ratio: 40:1
- Segmental modular screw design
- Screw shaft material: 40CrNiMoA
- Screw elements connect with shaft via involute spline for high strength and heavy load capacity
- Easy assembly and disassembly
- Screw elements material: Premium high-speed tool steel W6Mo5Cr4V2
- High-temperature vacuum quenching heat treatment
- Overall hardness: HRC62~64
Barrel Configuration
- Barrel material: 38CrMoAlA nitriding steel with nitriding treatment
- Anti-rust surface treatment applied
- 1st barrel: feeding barrel
- 6th barrel: venting barrel
- Last barrel: extrusion barrel
- Other barrels: closed barrels
Heating System
| Zone |
Barrel Section |
Heater Type |
| Feeding Zone |
1st barrel section |
No heating |
| Zone 1 |
2nd barrel section |
Cast aluminum heater |
| Zone 2 |
3rd barrel section |
Cast aluminum heater |
| Zone 3 |
4th barrel section |
Cast aluminum heater |
| Zone 4 |
5th barrel section |
Cast aluminum heater |
| Zone 5 |
6th barrel section |
Cast aluminum heater |
Vacuum Degassing System
- Model: CF-0.15 water ring vacuum pump
- Manufacturer: Zibo Lianyi Vacuum Pump Factory
- Drive motor: 0.18kW AC motor
- Pumping speed: 5.4m³/h
Cooling System
- Barrel cooled by tap water
- Equipped with imported solenoid valves
- Custom stainless steel high-temperature water pipes
Pelletizing System
Integrated pelletizing auxiliary unit for soft & hard material
Complete integrated pelletizer set included
Control & Safety Systems
- Feeding system interlocked with main unit - feeder only starts after main unit activation
- Pressure system interlocked with main unit - automatic shutdown upon overpressure
- Current interlocked with main unit - automatic shutdown upon overcurrent