Na-Ion Battery Roll To Roll Slitter Machine For Battery Electrode Slitting

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Item

Specification

Remark

1

Suitable for

Suitable for electrodes in systems such as lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide, ternary, nickel cobalt manganese oxide, lithium titanium oxide, carbon graphite, etc

2

Operating substrate parameters

Aluminium foil(AL)：thickness:9～30um

Width: 50～500mm

Roll diameter:Max.400mm

Copper foil(Cu)：thickness:6～30um

Width: 50～500mm；

Roll diameter:Max.400mm；

3

Roll surface design width

650 mm

4

Ensure cutting width

30~500mm

5

Equipment mechanical operating speed

50m/min

6

Equipment slitting speed

1-40m/min

Depending on the slitting effect

7

Electrode thickness range

70-250μm

8

Slitting method

1. Combination blade cutting;

2. Xicun style knife group structure;

3. Cutting specifications to be determined.

9

Winding method

Two axis slip axis misalignment winding

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Item

Specification

1

Unwinding mechanism

1. Single axis center unwinding;

2.3-inch unwinding;

3. Roll diameter Max.400mm;

4. The maximum width is 500mm.

2

Takeover platform

Double pneumatic pressure rod type;

3

Correction system

1. Automatic ultrasonic servo corrector;

2. Deviation correction stroke ± 40mm;

3. Correction accuracy ± 0.2mm.

4

Tension system

1. Fully automatic torque closed-loop tension control;

2. Adjustable from 0 to 250N.

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Item

Specification

1

Mechanical speed

Max50m/min

2

Slitting speed

0-40m/min

3

Slitting method

1. Combination blade cutting;

2. Xicun style knife group structure;

3. Cutting specifications to be determined.

4

Slitting knife

1. Combination blade cutter

2. Material: Tungsten steel alloy

3. Blade specifications:

Upper blade Φ 100* Φ 65 * 0.7mm (35 degrees)

Lower knife Φ 100* Φ 65 * 2.0mm (90 degrees)

4. Blade service life:

Cathode: 150000 to 200000 meters

Anode: 250000 to 300000 meters

5. The upper blade can be polished 10 times.

5

Knife adjustment method

1. The gap between the upper and lower knives is adjustable;

2. The bite amount can be easily adjusted through the thread.

6

Knife group drive

1. The tool shaft is driven by a servo motor;

2. The percentage of the linear speed of the knife group can be adjusted through the control screen setting, which is simple and easy to operate.

7

Cleaning device

The lower blade has a straight bristle brush

8

Slitting width accuracy

≦±0.1㎜

9

Electrode snake shape

≦±0.3mm/1000mm

10

Metal burrs on electrode

1. Longitudinal metal burrs ＜ 6 μ M

2. Horizontal metal burrs ＜ 10 μ M

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Item

Specification

1

Winding shaft

1. The two axis electrodes are wound up in a staggered manner;

2. Account slide shaft;

3. Three inch winding shaft core;

4. The maximum winding diameter is 400mm;

5. Single ring 40mm;

The winding is driven by a variable frequency motor.

2

Roll up accuracy

≦±0.4mm；

3

Pressure wheel

1. Gravity pressure wheel to prevent edge warping;

2. Specification (75mm); (Other specifications to be purchased separately)

Cylinder driven opening and closing.

4

Dust removal mechanism

1. Dust the cut material and divide it into two groups: upper and lower;

2. Reverse roller brush suction;

3. The brush is driven by a stepper motor;

a. Integrated pipeline suction;

b. Dust removal for the cutting edge

5

Edge material mechanism

1. The edge material winding consists of two groups: left and right;

2. The left and right groups are driven by independent servo motors, with adjustable torque;

3. Edge waste>5mm;

4. After pulling the edge material, it is collected by the material box.

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Item

Specification

1

Main control unit

1. Rotatable centralized control panel;

2. Omron main controller with state network;

3. The main components are all imported brands.

2

Electrical box layout

1. Partitioned management layout:

2. Independent layout of mechanical, pneumatic, and electrical board zones;

3. The electrical panel area effectively isolates dust and facilitates maintenance and upkeep.

3

Warning/Maintenance

1. Equipped with three color lights and amplifiers;

2. Equipment startup/abnormality, with sound and light alarms;

3. The control interface has an IO checklist.

4

Electrical working conditions

1, 380 V/60Hz, 3-phase

2. Gas consumption: 13 L/h;

3. Total power: approximately 6Kw

5

Equipment utilization rate

≥99%（Band breakage rate<1%）