ZL Automatic Laboratory 2 Roll Mill Rubber Open Mixing Mill For Sale
Application:
It is widely used in rubbers and plastics industry for polymer mixing, such as PVC, color master batch. It consists of roll, bearing, gap adjusting device, electric control system, safety device, etc.
ZL-3018 Two roll mill.pdf
Why do you need to tap and turn the rubber during the rubber mixing process?
In the rubber mixing process, cutting the rubber material is very important to the rubber mixing process.
To strengthen the rubber mixing effect, four conditions must be met
After the above analysis and discussion, it can be seen that in order to complete the rubber mixing operation and obtain a better rubber mixing effect, the following four points should be realized:
1. Make the friction angle of the rubber compound greater than the contact angle (φ>α) in order to bring the rubber compound into the roll distance;
2. Make the front and rear roller speeds (linear speeds) unequal, so as to strongly squeeze and shear the rubber in the nip;
3. When mixing rubber, it is necessary to cut and turn the rubber to destroy the closed return line of the rubber material and strengthen the dispersion effect of the material;
4. During the rubber mixing process, the roller distance is continuously adjusted to change the speed gradient and improve the rubber mixing effect.
Technical parameters:
| | | | | | | | | |
| Roll Hardness | HRC 50 ~ 60 |
| Temperature Accuracy | ± 2 ℃ (we adopt the high accuracy PID micro computer controller) | 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 | | Heating Mode | Electricity heating , Oil Heating ( option) | | Cooling Mode | Water Cooling ( option) | | Roll Temperature | Room temperature -- 300℃ | |
| Safety device | It have 6 safety buttons and safety guard is option |
| Machine weight | kg | 160 | 460 | 660 | 860 | 1960 | 2960 | 3800 |
| Overall dimension | mm | 1100x400x1180 | 1100x550x1380 | 1200x650x1380 | 2200x750x1380 | 2200x950x1580 | 2600x950x1580 | 5295x1789 x170 |
| Power | 380V 3 phase 50-60hz |
Advantage Service:
1. We have R&D, designing department which can not only provide technological machines but also can satisfy special customized needs of our clients.
2. Over 50 years’ manufacturing experience, advanced machine and sophisticated handcraft.
3. There are TWO laboratories in our factory: Environmental laboratory and Physical laboratory.
4. Our factory have adequate stock monthly, which can meet customers’ urgent needs.
5. Annual sales over 1,000,000USD; 30,000㎡manufacturing base, equipped with 120 technicians, we are capable to take large budget project.
Technical Support:
1. SUS Stainless plate is cut by advanced leaser machine which can ensure accuracy; All machine appearance is anti-rust electrostatic painting;
2. Imported electronic components: ABB/Siemens/Panasonic/Saginomiya/Danfoss/Emkarate/Omron and imported compressor:BOEK/TECUMSEH, which can keep the machine’s service life over 10 years.
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