Precision Micro-concave Coating Machine for Battery separator

Item

Battery Separator

Substrate

PE, PP

Width (mm)

100～320

Thickness（µm）

8～30

Item

Ceramic slurry

Material

Al2O3

Solvent

Deionized water

Solid content（wt%）

3～15

Slurry specific gravity（g/cm3）

0.6～2.0

Viscosity（mPa.s）

500-2000

Item

Battery Separator

Coating method

Continuous coating

Coating width (mm)

Max:300

Single side coating thickness（µm）

1～10

Single side coating weight (g/㎡)

10～25

Coating speed (m/min)

0.5～3

Item

Content

Roller width

400mm

Mechanical speed (no load)

Max:5m/min

Unwinding specifications

Roll diameter: Max.φ200mm.

Load bearing: Max.100kg.

Reel specifications: Inner diameter 3 inches, approximately 76.2mm, length≤450mm.

Reel material: metal, ABS plastic, paper tube.

Winding specifications

Roll diameter: Max.φ200mm.

Load bearing: Max.100kg.

Reel specifications: Inner diameter 3 inches, approximately 76.2mm, length≤450mm.

Reel material: metal, ABS plastic, paper tube.

Oven heating method

Electric heating

Oven structure

2 sections × 1.2m/section = 2.4m, single layer

Oven temperature

Max：140℃

Item

Content

Dimensions

The equipment is about L (4.0m) × W (2.1m) × H (1.9m) (width includes electrical cabinet, length does not include operating space)

Power requirements

Three-phase AC380V±10%, 50Hz, earth wire.

Equipment power: 35KW, number of main power supplies: 1.

Compressed air

Compressed air pressure:≥0.6MPa, pressure fluctuation±1% (clean air after water removal, oil-free, filtering and pressure stabilization).

Compressed air consumption: 10m³/h, number of interfaces: 1/unit.

Interface trachea specification: Φ12mm.

Environmental

Ambient temperature: 25±5℃for the coating part (according to the buyer's process requirements).

Relative humidity: 10%~30%RCH (according to the buyer's process requirements).

Cleanliness: Class 100,000 (according to the buyer’s process requirements).

Ground requirements

Total weight of coating machine: about 1.3 tons;

Cement floor or terrazzo floor, flatness±5mm/㎡, load-bearing capacity≥500kg/m2.

Oven air volume

Maximum exhaust air volume, at 140℃: positive pole 1800㎥/h, negative pole 1800㎥/h.

Maximum fresh air volume, at 60°C: positive pole 1500㎥/h, negative pole 1500㎥/h.