No.

Features

1

It can switch freely to realize continuous and intermittent coating.

2

Base material tension control, stable belt running, equipped with rectifying device.

3

Hot air oven, up and down double-sided blowing, high quality drying effect.

4

Three roller transfer coating with wide coating window.

5

Comma scraper metering, with precise adjustment mechanism, to achieve high coating precision.

6

Optional solvent recovery and treatment device.

7

Roll integral gantry frame, CNC precision machining, to ensure high precision and high stability.

8

The roller is made of imported cold-rolled chrome molybdenum material by heat-treated surface chrome plating and cryogenic treatment, with high internal and external hardness and good wear resistance.

9

American original imported hydraulic system, automatic control rolling pressure.

10

Patented hydraulic balanced rolling mechanism, stable pressure maintaining, good rolling uniformity in transverse and longitudinal direction.

11

Inclined block type roll gap adjustment device, surface display adjustment.

12

PLC touch screen is convenient to control parameter setting.

13

Roll continuously to avoid cutting waste.

14

The winding mechanism is equipped with an automatic deviation rectifying device to ensure that the edge of the material after rolling is neat.

No.

Item

Technical parameter

Remark

1

Suitable system

NCM, LFP, LCO, LMO, Graphite, Silicon carbon and other systems battery coating

2

Coating method

Continuous and intermittent coating

Transfer coating machine

3

Oven section

1m/section

4

Coating speed

0~0.5m/min

Depending on the drying state

5

Base material thickness

Al foil : 8～30um, Cu foil : 8～30um

6

Roller width

330mm

7

Effective coating width

≤280mm

8

Coating roller

Φ120mm

9

Squeegee roller

Φ80mm

10

Coating accuracy

±3um

11

Weight accuracy of double-sided coating (mg/cm2)

Coating center value ±1.0%

12

Suitable for slurry viscosity

2000~12000 (mPas)

13

Single side coating dry thickness range

20-200μm

14

Solvent properties

Oily solvent

NMP(s.g=1.033,b.p=204℃)

Aqueous solvent

H2O/NMP(s.g=1.000,b.p=100℃)

15

Suitable for solid content range

20~85%

16

Coating size accuracy (mm)

L≤±1, W≤±0.5

L: length direction

W: width direction

No

Item

Technical Parameters

Remarks

1. 

Over roller installation structure

Steel frame firmly installed

2. 

Over roller surface treatment

Surface oxidation of metal aluminum roll

3. 

Tension control system

Automatic control of constant tension, tension range 0 ~ 50N, servo motor control

4. 

Correction method

Automatic EPC control,Stroke 50mm

5. 

Feeding Unwinding material method

The material roll is fixed by a 3-inch inflatable shaft；

Unwinding single air expansion shaft

6. 

Maximum unwinding diameter

Ф250mm

7. 

Maximum load of inflatable shaft

80Kg

8. 

Number of unwinding and inflation shafts

1Pcs

9

Main drive motor

Servo motor

10

Roller surface treatment

Surface oxidation of metal aluminum roll

11

Scraper structure

Double-sided comma scraper

12

Coating roller (steel roller)

Hard chrome plating

13

Back roller (rubber roller)

The surface is wrapped with imported EPDM

14

Scraper intermittent height adjustment

Manual adjustment;

15

Single head position

Installation and operation before drying tunnel

No

Item

Technical Parameters

Remark

1. 

Oven structure

Double-layer independent heating, arranged up and down

2. 

Oven length

1 meter / section

3. 

Material

SUS304 stainless steel

4. 

Temperature control

Divided into normal working temperature control, over-temperature monitoring and alarm protection control, and cut off the heating main power supply; each section is completely independent control

5. 

Heating method

Analog signal control power heating, hot air circulation structure

6. 

Heating power of single section oven

6KW

7. 

Temperature in drying tunnel

Design Max150 ℃, temperature difference in single section oven≤ ± 2.5 ℃

8. 

Blowing method

Upper and lower air blowing, common heating body for upper and lower air chamber

9. 

Wind nozzle structure

The nozzle slot is slotted by a special mold

10. 

Fan control

Contactor control

11. 

Heating control

solid state relay

12. 

Fan material

SUS304 stainless steel

13. 

Solvent recovery system

Optional

1

Rolling purpose

Roller press the battery material coated on aluminum foil or copper foil

Remark

2

Maximum opening thickness of rolling mill

2 mm    

3

Rolling width

Max 300 mm

1

Rolling force

Max. 35T（Can be customized to increase）

Remark

2

Mechanical speed

Max.10m/min

3

Roll diameter:

Ф200 mm；Material：9Cr3Mo

4

Roller surface hardness

＞HRC65

5

Roller surface width

330 mm

6

Pushdown mode

Hydraulic

7

Rolling accuracy

±2.5 um

8

Maximum opening of rolling mill

2 mm

9

Reducer and gear box

Modular

10

Rolling mill motor

AC frequency conversion motor

11

Winding

With correction function and tension control function

No

Item

Technical Parameters

Remark

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

4

Alarm situation

When the device fails, the touch screen will display the corresponding correction screen

No

Item

Technical Parameters

Remarks

1. 

Scraper

Round jump≤ ± 1.5um, Ra0.4, straightness≤ ± 1.5um

2. 

Coating roller (steel roller)

Round jump ≤ ± 1.5um, Ra0.4 straightness≤ ± 1.5um

3. 

Glue roll

Round jump ≤10um，straightness≤10um

4. 

Roll

Round jump≤ ± 2um, Ra0.4, straightness≤ ± 2um

5. 

Deviation correction

±0.2mm