Battery Electrode Transfer Coating Machine

Substrate

Aluminum foil

Copper foil

Width (mm)

100～330

100～330

Thickness (µm)

9～15

6～15

Note: during acceptance, the aluminum foil or copper foil used should not be slack, uneven thickness and weight, surface oil, and other phenomena that affect the performance of coating.

Material

LFP, NCM, ect.

Graphite

Solvent

NMP

DI-Water

Solid content (wt%)

40～85

35～65

Slurry specific gravity (g/cm3)

1.5～3.0

1.0～2.0

Viscosity (mPa.s)

5000 ~ 15000

3000 ~ 8000

Remark:

(1) The solid content of the same batch of slurry: fluctuation ≤±0.5%.

(2) The viscosity of the same batch of slurry: fluctuation ≤±500mPa.s, 25±2℃.

Coating mode

Continuous and Intermittent transfer coating

Continuous and Intermittent transfer coating

Coating width (mm)

Max 300

Max 300

Dry thickness of single coating (µm)

80 ~ 250

80 ~ 250

Single side coating weight (g/m2)

100 ~ 250

80 ~ 200

Coating speed (m/min)

0.5-2

0.5-3

Description: coating speed is related to product characteristics (material system, coating thickness, solid content, temperature), the maximum coating speed given in the table can not meet the special coating process requirements.

1

Roll width

400mm

2

Mechanical speed

(without loading)

Max 3m/min

3

Unwinding specification

Roll diameter: Max. 200mm

Load-bearing: Max. 100kg

Roll specification: inner diameter 3 inches (about 76.2mm), length≤450mm.

Roll material: metal, ABS plastic, paper.

4

Winding specification

Roll diameter: Max. 200mm

Load-bearing: Max. 100kg

Roll specification: inner diameter 3 inches (about 76.2mm), length≤450mm.

Roll material: metal, ABS plastic, paper.

5

Oven heating mode

Electric heating

6

Oven construction

3 section x 2 m/section = 6m, single layer

7

Oven temperature

Max. 140℃

1

Unwinding unit

1 set

Single workstation, manual roll change

2

Coating unit

1 set

3

Oven unit

1 set

Single layer, 2m x 3section = 6m, electric heating

4

Traction unit

1 set

5

Winding unit

1 set

Single workstation, manual roll change

6

Electronic control system

1 set

1

Structural mode

Overall vertical plate structure, surface chrome plating treatment. The sheet metal is made of SUS304.

2

Main drive motor

Servo motor, soft connector to transfer power

3

Intermittent drive mode

Servo motor

4

Adjustment of gap height between scraper and coating roller

Servo automatic adjustment, touch screen control. the resolution is adjusted to 0.1um

5

Scraper structure

Double-sided comma scraper, surface electroplated, diameter ≥78mm

6

Scraper angle rotation control

Manual control (handle rotation)

7

Coating roller (steel roller)

Diameter ≥100mm, surface plated with hard chromium

8

Back roller (rubber roller)

Diameter ≥100mm, surface coated with EPDM adhesive

9

Material tank mixing structure

The rodless cylinder drives the mixing rod to move in a straight line, with adjustable speed to prevent slurry sedimentation.

10

Baffle plate

POM plate + foam sponge

11

Coating width adjustment

Change the coating width by adjusting the left and right baffle plates

12

Scraper roller drive unit

Cylinder lifting and compression

13

Operating mode

Touch screen + button combined operation

1

Coating steel roller

1 year

Regular grinding

2

Coating roller bearing

1 year

Regular replacement

3

Coating rubber roller

6～8 months

Regular grinding

4

Back roller bearing

1 year

Regular replacement

5

Air shaft

More than 1 year

If there is air leakage, the internal rubber hose can be replaced

6

Over roll bearing

2 years

Vulnerable parts (pay attention to maintenance)

7

Air filter element

6～12 months

Vulnerable parts, regular replacement

8

Heating tube

12～18 months

Vulnerable parts

9

Temperature sensing probe

6～12 months

Vulnerable parts