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Suitable systems: Lithium iron phosphate, lithium cobalt oxide, lithium manganate, graphite, silicon carbon and other battery cathode and anode coating processes
Coating method: Continuous coating, intermittent coating
Number of oven sections: 1.5m/section, total 3 sections, three-section temperature control, SUS304 stainless steel
Heating method: Electric heating, hot air circulation structure
Temperature in drying tunnel: Designed maximum 150℃, temperature difference in a single oven ≤5℃
Mechanical speed: Not less than 4.5m/min
Operating base material thickness:
Aluminum foil (Al): 8～30um
Copper foil (Cu): 8～30um
Designed roller surface width: 400mm
Scraper: Round jump ≤±1.5um, Ra0.4, straightness ≤±1.5um
Coating roller (steel roller): Circle runout ≤±1.5um, Ra0.4, straightness ≤±1.5um
Rubber roller: Circle runout ≤10um, straightness ≤10um
Roller surface treatment: Surface of metal aluminum roller is oxidized, circle runout ≤30um
Guaranteed coating width: Not less than 330mm
Coating accuracy: Better than ±3um (edge error ±5um)
Double-sided coating weight accuracy (mg/cm²): Coating center value ±1.0%
Suitable slurry viscosity: 2000~12000mPas
Single-side coating dry thickness range: 30～200μm
Thickness adjustment: Free adjustment, dial indicator display accuracy 1um
Coating length & gap:
Single piece Max.10000mm
Blank gap 8～120mm
Accuracy ±0.5mm
Rewinding correction accuracy: ±0.5mm
Winding tension: Automatic constant tension control, tension range 0~80N
Solvent characteristics: Oily solvent NMP (sg=1.033, bp=204℃) / water-based solvent H2O/NMP (sg=1.000, bp=100℃)
Suitable solid content range: 20~85%
Coating size accuracy (mm): L≤±1, W≤±0.5; L: Length direction
Front and back side position accuracy (mm): L≤±1, W≤±0.5; W: Width direction
Main control system: Touch screen, PLC, module, servo system
Operation mode: Manual, automatic, emergency stop; the whole machine can be operated from front and rear sides
Overall size and weight of coating equipment: Size: L7100 × W1210 × H1810mm; Approximate weight: 2T
1. Substrate tension control, stable tape travel, equipped with deviation correction device.
2. Hot-air oven, upper and lower double-sided blowing, high-quality drying effect.
3. Three-roll transfer coating, with a wider coating window.
4. Comma squeegee measurement, with precision adjustment mechanism, to obtain high coating precision.
5. PLC control, touch screen operation, convenient and easy to use.
6. Optional solvent recovery processing device.
