Lithium Battery Electrode Extrusion Slot Die Coating Machine

Model Number:
TMAX-3327D
Compliance:
CE compliant
Warranty:
Two years limited warranty with lifetime technical support
Payment:
T/T, Credit Card, Paypal, LC, Western Union
Delivery Time:
3 days

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Email : David@battery-equipments.com
Wechat : Wechat 13506084915

DESCRIPTION

Lithium Battery Electrode Extrusion Slot Die Coating Machine

1. Equipment functions and parameters

1. Base material parameter
	Anode substrate	Cathode substrate
Name	Copper foil	aluminum foil
Thickness	(8-30) μm	(10-30) μm
Substrate width	(200-320) mm	(200-320) mm
2. Coating parameter
Material name	Anode slurry	Cathode slurry
Material name	Graphite, mesophase carbon, hard carbon, etc.	Lithium cobalt oxide, lithium nickel cobalt manganese, lithium manganate, lithium iron phosphate, etc.
Coating dry thickness	(50-150) μm (without foil, single-sided dry material)	(50-150) μm (without foil, single-sided dry material)
Wet coating thickness	100μm～300μm	100μm～300μm
Solid content	(40-70) ±5%	(30-80) ±5%
Specific gravity	(1.0-1.4) g/cm3	(1.0-2.5) g/cm3
Viscosity	(2500-8000) CPS	(1000-10000) CPS
Temperature	According to the process control RT～140℃, using electric heating
Solvent	NMP oil system/water system	NMP oil system/water system
3. Machine basic parameter
Coating roll width	400mm
Effective coating width	300mm and below;
Coating method	Continuous extrusion coating (including strip coating)/intermittent extrusion coating
Dressing coating speed	1～5m/min (related to oven temperature, slurry state and coating process settings);
power supply	380 V x 50 Hz, three-phase (control power supply 220 V x 50 Hz, single-phase)
Total power	Max 50KW
Gas source	0.6 MPa
The total length of the machine: not more than 10 meters

2. Introduction to the structure of each part:

2.1. Integral unwinding, head mechanism:

No.	Item name	Technical parameter
1	Roller installation structure	Rack installation
2	Roller surface treatment	Surface oxidation of metal aluminum roller
3	Tension control system	Closed loop automatic control constant tension, tension range 0~50N
4	Correction method	Automatic EPC control, stroke 80mm
5	Coiling method	The material roll is fixed with a 3-inch air shaft;
5	Coiling method	Unwinding uniaxial support
6	Direction of substrate movement	Forward and reverse
7	Base material running speed	5m/min
8	Maximum unwinding diameter	Ф300mm
9	Maximum bearing capacity of inflatable shaft	100Kg
10	Number of unwinding inflatable shafts	1 piece
11	Main drive motor	Servo motor + precision planetary reducer
12	Adjust the knife	Servo + Keyence grating ruler
13	Roller surface treatment	The surface of the metal aluminum roller is oxidized, and the circle runout ≤30um
14	Coating method	Continuous extrusion coating / gap extrusion coating
15	Die parameters	l Die width: at 20 degrees Celsius, the die length is 400mm0.5mm; l Mold body material: 15-5ph stainless steel; l Polishing accuracy of runner surface: 4-6Ra (micro inches); l Feeding position: back feeding; l Products and applications: 3-300 micron positive/negative slurry, lithium ion battery applications
16	Coating roll (steel roll)	l Special steel pipe, diameter Ø120mm, hard chrome plating l Circle runout accuracy within 2um l Linear speed range 2~5m/Min l There is no abnormal noise, abnormal vibration and heat generation in all parts when driving
17	Roll specifications	Diameter Ø80mm, surface covered with imported EPDM glue
18	Extrusion die head movement	l Base drive: button operation (large range movement using air cylinder) l Gap fine adjustment: button operation (use servo motor action) l Gap detection: grating ruler (accuracy 1um)
19	Single head position	Installation and operation before drying tunnel

2.2 Pumping system

No.	Name	Description
1	Screw pump	Japanese Heishin screw pump
2	Transfer tank	30 liters in volume, pressure control, liquid level detection, slow stirring,
3	Material reflow coating controller	Material reflow coating controller
4	filter	The mesh number is customized according to customer needs
5	Iron remover	Above 8000 Gauss
6	Pressure balance buffer	Ensure the pipeline pressure is balanced
7	Pipes and accessories	Stainless steel quick couplings and stainless steel pipe fittings
8	Pressure monitoring system	Pressure monitoring system

2.3 Drying oven

No.	Item name	technical parameter
1	Oven structure	Double heating, arranged up and down
2	Oven length	6 meters (2 meters/section*3)
3	Material	SUS304 stainless steel, inner tank 1.0mm, outer tank 1.2mm
4	Oven guide roller transmission mode	Passive roller drive
5	temperature control	Divided into normal working temperature control, over-temperature monitoring and alarm protection control, cut off the heating power when over-temperature; each section is completely independent control
6	Heating method	Electric heating, hot air circulation structure
7	Heating power of single section oven	12KW/2m
8	Temperature in the drying tunnel	Max.150℃, temperature difference in single oven ≤5℃
9	Surface temperature of cabinet during operation	≤45℃
10	Blowing method	The upper and lower air blows, and the upper and lower air volumes are separately controlled by valves; the upper and lower air chambers share the heating body
11	Each section of exhaust air volume control	Circulating fan air volume 3000m³/h (single section) Exhaust air volume 4000m³/h
12	Nozzle structure	The blowing direction is 30 degrees to the level, and the nozzle slot is slotted by a special mold
13	Heating control	solid state relay
14	Fan material	SUS304 stainless steel
15	Solvent recovery system	Optional
16	NMP solvent concentration alarm	Optional(add $4390)

2.4 Winding mechanism: the same function as unwinding

No.	Item name	technical parameter
1	Tension	1 set is installed in front of the traction roller, which can automatically control constant tension, the tension range is 0~50N, and servo winding.
2	Installation structure	Square through frame welding bottom frame, single-sided vertical plate
3	Number of winding shafts	1 piece
4	Winding diameter	Ф300mm
5	Winding correction	Automatic EPC control, stroke 80mm

2.5 Control system

No.	Item name	technical parameter
1	Main control system	Touch screen, PLC, module, servo system
2	Operation mode	Manual, automatic, emergency stop;
3	Coating, intermittent length setting range	Coating length 20.0～3200.0mm Intermittent length 5.0～3200.0mm
4	Alarm situation	When the device fails, the touch screen will display the corresponding correction screen
5	Counting function	Production quantity/length

3. Equipment accuracy:

3.1. Hardware accuracy

1	Coating roller (steel roller)	Circle runout≤1.5um, Ra0.4 Straightness≤1.5um
2	glue roll	Circle runout≤10um, straightness≤10um
3	Correction deviation	±0.1mm
4	Temperature control accuracy	±2℃

3.2. Coating accuracy

	A (tailing)	≤1mm (Related to slurry viscosity and adhesive properties)
	B (abnormal area of the head)	10mm
	C (abnormal area of tail)	6mm
	D (edge effect area)	≤3mm
	E (length error)	±0.5mm
	F (width error)	±0.5mm
	M (width error)	±0.5mm
	G1 (head thickness)	+5um ~ -10
	G2 (Tail thickness)	+5um ~ -10
	H (blank error)	±0.5mm
	I (positive and negative bit error)	±0.5mm
	L1 (coating film length)	20.0～3200.0mm
Length range	L2 (intermittent length)	5.0～3200.0mm
Length range	L1/L2(coating+discontinuous length)	L1 +L2 ≥90mm

4. Machine main configuration

No.	Item name	Brand
1	air switch	CHNT/DELIXI
2	PLC	OMRON
3	touch screen	WEINVIEW
4	modular	OMRON
5	Intermediate relay	Schneider
6	servo motor	Mitsubishi
7	Planetary reducer	Fenghua
8	Circuit breaker	Schneider
9	AC contactor	Schneider
10	Solid state relay	FOTEK
11	thermostat	OMRON
12	Automatic deviation correction	Ultrasonic
13	Optical fiber electric eye	KEYENCE
14	Push the cylinder	AirTAC/CHELIC
15	Coating roller	Hard chromium electroplating
16	Guide roller	Anodic treatment of aluminum alloy surface
17	Frequency converter	Delta
18	Coating die	Imported from Japan
19	Screw pump	Heishin

5. installation environment requirements

1) The ambient temperature of the machine head is 20~30℃, and the rest is 10~40℃;

2) The relative humidity of the machine head, positive RH ≤35%, negative RH ≤48%, and the rest ≤48%;

6. Supporting facilities

1) Power supply: 3PH 380V, 50HZ, voltage fluctuation range: +8%～-8%; the total starting power of the power supply is ≤50KW;

2) Compressed air: After drying, filtering and stabilizing: the outlet pressure is greater than 5.0kg/cm2;

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