Lab Battery Three-roll Transfer Film Coating Machine 

Product name: Lithium battery coating machine

The coating machine is a three-roll transfer coating equipment, which is conveniently applied to the surface coating process of various substrates. Especially used in the lithium-ion battery industry. This equipment is designed for the convenience of researchers, while meeting the requirements of coating accuracy and consistency that are no different from production. The drying effect is excellent. It is ideal for lithium-ion batteries, super capacitors, nickel batteries and other Ideal for secondary battery research and development.

Features:

a. Base material tension control, stable belt running, equipped with deviation correction device;

b. Hot air oven, double-sided air blowing on the upper and lower sides, high-quality drying effect;

c. Three-roller transfer coating with a wide coating window;

d. Comma scraper metering, with precision adjustment mechanism, to obtain high coating accuracy;

e. PLC control, touch screen operation, convenient and easy to use;

f. Optional solvent recovery treatment device;

Technical parameter:

a. Suitable system: lithium iron phosphate, lithium cobaltate, lithium manganate, graphite, silicon carbon and other systems battery positive and negative plate coating process

b. Coating method: continuous coating, intermittent coating

c. Number of oven sections: 1.5m/section, a total of 3 sections, three-stage temperature control, SUS304 stainless steel

d. Heating method: electric heating, hot air circulation structure

e. Temperature in the drying tunnel: design Max150℃, temperature difference in a single oven ≤5℃

f. Mechanical speed: no less than 4.5m/min

g. Operating substrate thickness: Aluminum foil (Al): 8～30um Copper foil (Cu): 8～30um

h. Roll surface design width: 400 mm

i. Scraper: round jump≤±1.5um, Ra0.4, straightness≤±1.5um

j.  Coating roller (steel roller): circular runout ≤ ± 1 .5um, Ra0.4 straightness ≤ ± 1.5um

k. Rubber roller: circular runout ≤ 10um, straightness ≤ 10um

l. Roller surface treatment: metal aluminum roller surface oxidation, circular runout ≤30um

m. Guaranteed coating width: not less than 330mm

n. Coating accuracy: better than ±2um (edge error ±5um)

o. Double-sided coating film weight accuracy (mg/cm2): coating center value ± 1.0%

p. Suitable slurry viscosity: 2000~12000 (mPas)

q. Single-sided coating dry thickness range: 30～200μm

r. Thickness adjustment: free adjustment, dial gauge display accuracy 1um

s.  Coating length: Gap: single sheet Max.10000mm, blank 8 ~ 120mm, accuracy ± 0.5mm

t.  Winding and deviation correction accuracy: ±0.5mm

u. Rewinding tension: automatic control of constant tension, tension range 0~80N

v. Solvent characteristics: oily solvent NMP (s.g=1.033, b.p=204°C) / aqueous solvent H2O/NMP (s.g=1.000, b.p=100°C)

w. Suitable solid content range: 20~85%

x.  Coating size accuracy (mm): L≤±1, W≤±0.5 L: length direction

y. Front and back alignment accuracy (mm): L≤±1, W≤±0.5 W: Width direction

z. Main control system: touch screen, PLC, module, servo system

aa. Running mode: manual, automatic, emergency stop; both front and back of the machine can be operated

ab.  Dimensions and weight of coating equipment: Dimensions  L7100*W1210*H1810mm Weight about: 2T