76mm (3 Inch) Diameter Two Roll Mill - Lab Mixing Open Mill for Plastic & Rubber
Two Roll Mixing Machine engineered to provide unmatched performance for masticating and kneading natural rubber, synthetic rubber, EVA, or PVC pellets with various chemical materials. This machine is primarily used for plastic, hot mill, and mixing mill operations of natural and synthetic rubber in rubber product factories.
Applications
Plastic open two roll mixing mill widely used in rubbers and plastics industry for polymer mixing, including PVC and color master batch. Consists of roll, bearing, gap adjusting device, electric control system, safety device, and more.
Key Features
- Construction of mill rolls: drilled roll, bored roll, grooved roll
- Customizable speed ratio based on customer formula and processing requirements
- Frame, frame cap and base are welded and treated by annealing for stress relieving
- Rolls material is chilled cast alloy iron with hardness reaching 70HB
- Brake and emergency stop device for personnel and equipment safety
- Auto feeding oil or grease lubrication for easy maintenance and machine protection
- Human nature designed controlling system ensures labor safety
- Methods of adjusting roll nip: manual or electric
Intelligent Control Panel & PLC Control System
- Real-time data record and export of kneading time, temperature (mixing chamber and front/rear rotors), ram pressure, current, torque and recipe code
- Control system can be set up to 20 mixing steps with 20 recipe spaces
- Remote import of process recipe and data monitoring capability
- Communication with MES via Ethernet communication interface
- Ethernet communication interface with 20% control points reserved
- Touch screen provided
Technical Parameters
| Model |
ZL-3018-76 |
ZL-3018-120 |
ZL-3018-160 |
ZL-3018-200 |
ZL-3018-230 |
ZL-3018-300 |
ZL-3018-400 |
| Diameter of roll (mm) |
76 |
120 |
160 |
200 |
230 |
300 |
400 |
| Length of roller face (mm) |
300 |
350 |
350 |
500 |
650 |
650 |
900 |
| Mixing Capacity (kg) |
0.002-0.6 |
0.002-2 |
0.002-2.8 |
0.002-5 |
0.005-10 |
1-15 |
5-30 |
| Front roll surface speed (rpm) |
19 |
19 |
19 |
19 |
19 |
19 |
19 |
| Friction ratio |
1:1.30 |
1:1.35 |
1:1.35 |
1:1.35 |
1:1.27 |
1:1.27 |
1:1.27 |
| Roll gap range (mm) |
0-3 |
0-6 |
0-6 |
0-8 |
0-12 |
0-12 |
0-15 |
| Driving Power (KW) |
1 |
1.5 |
2.2 |
7.5 |
11 |
30 |
37 |
Additional Specifications
Heating Mode: Electricity heating, Oil Heating (option)
Cooling Mode: Water Cooling (option)
Roll Temperature: Room temperature - 300℃
Roll Hardness: HRC 50 ~ 60
Temperature Accuracy: ±2℃ (high accuracy PID micro computer controller)
Safety device: 6 safety buttons, safety guard optional
Power: 380V 3 phase 50-60hz