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Slot die extrusion coater, can carry out continuous and intermittent coating and other types of coating requirements. It is widely used in lithium-ion battery, graphene film, optical film, ceramic film, high-end tape and various functional film industries.
*Continuous and intermittent coating can be realized;
*Slot die extrusion coating method, high coating accuracy, good coating consistency;
*Base material tension control, stable belt running, equipped with deviation correction device;
*Hot air oven, up and down double blow, high quality drying effect;
*PLC control, touch screen operation, easy to use;
Machine performance
No. | Item name | Technical parameter |
1 | Fit system | Coating technology of anode and cathode, LiFePO4, licoo4, LiMn2O4, graphite, silicon carbon and other systems |
2 | Coating method | Slot die coating with continuous coating, intermittent coating mode |
3 | Oven section | 1 section of 1m oven |
4 | Coating speed | 0 ~ 0.5 m/min |
5 | Running substrate thickness | Aluminum foil (AL): 8 ~ 30um, copper foil (Cu): 6 ~ 30um |
6 | Design width of roll surface | 330 mm |
7 | Effective coating width | Max. 280mm |
8 | Main roll | Φ 150mm |
9 | Coating accuracy | ± 1.5um |
10 | Suitable for slurry viscosity | 2000~12000 (mPas) |
11 | Single side coating dry thickness range | 10-250 μ m |
12 | Solvent properties | Oil solvent NMP (S.G = 1.033, B.P = 204 ℃) |
| Aqueous solvent H2O / NMP (S.G = 1.000, B.P = 100 ℃) | ||
13 | Suitable for solid content range | 20~85% |
14 | Coating dimensional accuracy (mm) | L≤±1、W≤±0.4 |
15 | Position accuracy of positive and negative faces (mm) | L≤±1、W≤±0.4 |
Machine specification
1. Integral unwinding, head mechanism:
No. | Item name | Technical parameter |
1 | Installation structure of roller | The steel frame is firmly installed |
2 | Roller surface treatment | Surface oxidation of aluminum roll |
3 | Tension control system | Automatic control constant tension, tension range 0 ~ 50N, servo motor control |
4 | Rectification method | Automatic EPC control, 50 mm stroke |
5 | Loading method | The coil is fixed by 3-inch air expansion shaft; |
| Unwinding single air expansion shaft | ||
6 | Maximum unwinding diameter | Ф 250mm |
7 | Maximum bearing capacity of inflatable shaft | 80Kg |
8 | Number of unwinding air expansion shafts | 1 |
9 | Main drive motor | servo motor |
10 | Roller surface treatment | Surface oxidation of aluminum roll |
11 | Main roll (steel roll) | Hard chromium plating on the surface |
12 | Single head position | Installation and operation before drying |
2. Drying oven
No. | Item name | Technical parameter |
1 | Oven structure | Double layer independent heating, upper and lower arrangement |
2 | Oven length | 1 meter / section(the oven length can be customized) |
3 | texture of material | SUS304 stainless steel |
4 | temperature control | It is divided into normal working temperature control, over temperature monitoring and alarm protection control, and the main heating power supply is cut off; The sections are fully controlled independently |
5 | heating way | Electric heating, hot air circulation structure |
6 | Heating power of single section oven | 6KW |
7 | Temperature in oven | Design Max150 ℃, temperature difference in single section oven ≤ ± 2.5℃ |
8 | Blowing mode | Upper and lower air blowing, upper and lower air chambers share heating body |
9 | Nozzle structure | The slot of air nozzle adopts special die |
10 | Fan control | Contactor control |
11 | Heating control | Solid state relay |
12 | Fan material | SUS304 stainless steel |
13 | Solvent recovery system | Optional |
3. Winding mechanism: the function is the same as unwinding, as follows
No. | Item name | Technical parameter |
1 | Moving rectification | Installation of drying exit |
2 | tension | Automatic control of constant tension |
3 | Installation structure | The steel frame is firmly installed |
4 | Number of winder expansion shafts | 1 |
4. Control system
No. | Item name | Technical parameter |
1 | Main control system | Touch screen, PLC, servo system |
2 | Operation mode | Manual, automatic, emergency stop; The whole machine can be operated before and after |
3 | Alarm situation | When the device fails, the touch screen will display the corresponding correction screen |
5. External dimension and weight of coating equipment:
Machine dimensions: L1800 * W1050 * H1300mm
Machine weight: About 600kg
6. Installation environment requirements
1) The ambient temperature of the head is 25 ~ 30 ℃, and the rest is 10 ~ 40 ℃;
2) The relative humidity of the head is less than 35% for the positive electrode, less than 98% for the negative electrode and less than 98% for the rest;
7. Supporting facilities
1) Power supply: 3Ph 380V, 50Hz, voltage fluctuation range: 8% ～– 8%; The total starting power is 10kW;
2) Compressed air: after drying, filtering and pressure stabilization: the outlet pressure is greater than 5.0kg/cm2;
Quanzhou Lineng Mechinery and Equipment Co., Ltd is a technology-based enterprise, integrating R&D, manufacturing, sales and service. Our company has strong scientific research strength, including more than 20 senior mechanical and electrical engineers, 8 external experts and professors, and more than 160 front-line technical workers.
Quanzhou Lineng Mechinery and Equipment Co., Ltd is a technology-based enterprise, integrating R&D, manufacturing, sales and service.
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