Experimental double-sided coating machine DSP-300L-Fornitore globale

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Experimental double-sided coating machine DSP-300L

DSP-300L experimental double-sided coating machine is a three roll transfer coating equipment. The experimental double-sided coating machine can perfo

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DSP-300LExperimental double-sided coating machine

1、 Equipment name (specification and model):Experimental double-sided coating machine (300L)

two、Technical parameters and main configurations of the equipment

（1） Main equipment configuration:

Serial Number	name	origin
1.	Air Switch	Chint (domestic)
2.	PLC	Mitsubishi (Japan)
3.	Touch Screen	Smet (Taiwan)
4.	module	Mitsubishi (Japan)
5.	Intermediate relay	Schneider (France)
6.	servo motor	Mitsubishi (Japan)
7.	planetary reducer	VGM (Taiwan)
8.	Circuit breaker	Chint (domestic)
9.	AC contactor	Chint (domestic)
10.	Solid state relay	Meigel
11.	Thermostat	Omron (Japan)
12.	Fully automatic correction	Photoelectric correction
13.	Fully automatic tension	Variable frequency tension
14.	main amplifier(Receiving) Material Motor	YUKE (Taiwan)
15.	Fiber optic eye	KEYENCE(Japan)
16.	Drive the cylinder	Yadeke (domestic)
17．	Deep groove ball bearing (head)	NSK/NTN
18	Guide roller	Aluminum alloy surface anodizing treatment
19	frequency converter	Yingweiteng (Shenzhen)
20	fan	Hongjian (Guangzhou)
21	Color matching system	Photoelectric tracking

（2） Equipment function:

Serial Number	project	Technical Parameter	notes
l	Suitable for the system	Coating process for positive and negative electrode sheets of lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide and other battery systems
l	Operating substrate thickness	Aluminum foil (Al): 10～30um copper foil (Cu): 7～30um
l	Roller surface design width	320mm
l	Ensure coating width	50~280mm
l	Mechanical operating speed of equipment	5m/min
l	Equipment coating speed	0.5-2m/min	Depending on the drying situation
l	Suitable for slurry viscosity	2000~16000 Cps
l	Single side coating dry thickness range	50-150μm
l	*Small interval length	5mm
l	Multi segment * small coating length	20mm
l	Solvent characteristics	Oily solventNMP(s.g=1.033,b.p=204℃)
l	Solvent characteristics	Aqueous solventH2O/NMP(s.g=1.000,b.p=100℃)
l	Suitable for solid content	positive electrodeS．C. 60%±20
l	Suitable for solid content	negative electrodeS．C. 50%±10%(PVDFsystem) S．C.50%±5%（SBRSystem)
l	proportion	Positive electrode 1.5-2.59/cm2 Negative electrode 1-1.89/cm2
l	coating	Double layer front and back 3-section non-uniform intermittent transfer coating/second side automatic tracking/continuous transfer coating
l	Direction of substrate operation	Forward coating, substrate running with empty foil in both forward and reverse directions

(3)Introduction to the structure of each part:

1. Integrated unwinding, machine head mechanism：

Serial Number	project	Technical Parameter	notes
1.	Roller installation structure	Vertical single axis installation method
2.	Roller surface treatment	Surface oxidation of metal aluminum roller
3.	tension control	Closed loop automatic control with constant tension, tension range 0~50N
4.	Correction method	Automatic EPC control, travel 80mm
5.	Roll up material method	The material roll is fixed with a 3-inch inflation shaft;
5.	Roll up material method	Unwinding single axis support
6.	Direction of substrate operation	Forward and backward
7.	Substrate operating speed	5m/min
8.	*Large unwinding roll diameter	Ф300mm
9.	Inflatable shaft * large load-bearing capacity	100Kg
10.	Number of inflation shafts for unwinding	1 item
11	Main drive motor	servo motor
12	Intermittent propulsion (optional for customers)	Servo driven
13	Roller surface treatment	Metal aluminum roller surface oxidation, circular jumping≤30um
14	Scraper structure	Double sided comma scraper, diameterØ80mm; (double headed);
15	Scraper angle rotation control	Move the handle and rotate it
16	Coating roller (steel roller)	Surface plated with hard chrome, diameterØ100mm；
17	Back roller (rubber roller)	diameterØ100mm, Imported EPDM rubber for table bread
18	Mixing of material tank	Rod free cylinder linear motion, adjustable speed
19	Intermittent height adjustment of scraper	Manually adjust.
20	Single head position	Installation and operation before drying
21	Corona machines (two sets)	Before entering the scraper coating head, one set each
22	thickness tester	Installation after exiting the drying oven

3. Drying channel (double-layer drying channel)

Serial Number	project	Technical Parameter	notes
1.	Oven structure	Single layer independent heating, arranged vertically
2.	Oven length	1 section * 2m
3.	material	SUS304 stainless steel, inner liner 1.0mm, outer liner 1.2mm
4.	Oven guide roller transmission method	Passive roller drive
5.	temperature control	It is divided into protection control for normal working temperature control and over temperature monitoring alarm. When the temperature exceeds the limit, an audible and visual alarm will appear and the main heating power supply will be cut off; Each section is completely independently controlled
6.	heating way	Electric heating, hot air circulation structure
7.	Heating power of single section oven	18KW/section
8.	Temperature inside the drying oven	Design a maximum temperature of 150 ℃, with a temperature difference of ≤ 5 ℃ within a single oven section
9.	Surface temperature of the box during operation	≤45℃
10.	Wind blowing method	Wind knife style blowing, with air volume controlled separately through valves;
11.	Control of exhaust air volume for each section	Independently controlled through mechanical valves
12.	Wind nozzle structure	The blowing direction is 30 degrees from the horizontal, and the nozzle groove is slotted with a special mold
13.	fan control	Contactor control
14.	Heating control	Solid state relay
15.	Fan material	SUS304 stainless steel
16.	Solvent recovery system	Not provided, only assisting in installing interfaces
17.	NMP solvent concentration alarm	not have
18.	Wind chamber pressure monitoring	not have

4. Winding institutionThe function is the same as unwinding, with the following additions

Serial Number	project	Technical Parameter	notes
1.	Constant tension floating roller mechanism	Install one set in front of the traction roller, with closed-loop automatic control and constant tension, with a tension range of 0~50N， The winding adopts servo control.
2.	Number of compressed air expansion shafts	1 item	Single arm winding
3.	thickness tester	1 item

5. Control system:

Serial Number	project	Technical Parameter	notes
1	Main control system	Touch screen PLC、 Modules, servo systems
2	Operation mode	Manual, automatic, emergency stop; The whole machine can be operated before and after
3	Range of coating and intermittent length setting	Continuous coating method Intermittent length 5.0-3200mm (customer's choice)
4	Alarm situation	set upWhen a fault occurs, the touch screen will display the corresponding correction screen
5	Counting function	Production quantity/length

（4） Equipment accuracy：

1. Hardware accuracy

Serial Number	project	Technical Parameter	notes
1.	scraper	Round Jump≤1.5um，Ra0.4, Straightness≤1.5um
2.	Coating roller (steel roller)	Circular jump ≤ 1. 5um, Ra0.4 straightness≤1.5um
3.	Rubber roller	Circular jump ≤ 10um， Straightness≤10um
4.	Correction deviationdiffer from	±0.1mm
5.	Tool adjustment control for repeated accuracy	±0.1um
6.	temperature control accuracy	±2℃
7.	Accuracy of front and back alignment control	±0.2mm

2. Coating accuracy

project	mark
	A (trailing)	≤1mm (Related to the viscosity of the slurry and the characteristics of the binder)
	B (abnormal area of the head)	10mm
	C (tail abnormal area)	6mm
	D (Edge Effect Region)	≤3mm
	E (length error)	±0.5mm
	F (width error)	±0.5mm
	M (width error)	±0.5mm
	G1 (head thickness)	-10~+8um
	G2 (tail thickness)	-10~+8um
	H (margin of error)	±0.5mm
	I (Positive and Negative Alignment Error)	±0.5mm
	J single-sided thickness (Remove areas B, C, and D)	±1.5%
Length range	L1 (coating length)	20.0～3200.0mm
	L2 (intermittent length)	5.0～3200.0mm
	L1/L2 (coating+intermittent length)	L1 +L2≥90mm

3. Measurement method

A. Measurement area: 3mm from the edge, 6mm from the end, and 10mm from the beginning.

B. Measure the size of Φ 42mm or according to the process requirements of the customer

4、 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 is ≤ 35% for the positive electrode RH, ≤ 98% for the negative electrode RH, and ≤ 98% for the rest;

5、 Supporting facilities

1) Power supply: 3PH 380V, 50HZ, voltage fluctuation range:+8% to -8%; The total starting power of the power supply is 25KW;

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

6、 Equipment direction (optional)

7、 Submitted documents and operating instructions：

1) Provide electrical connection diagrams, electrical schematics, mechanical assembly diagrams, etc;

2) Provide operation manuals for all control units of the equipment, as well as instructions for the overall operation and precautions of the equipment;

8、 After sales service:The equipment is covered by a one-year warranty. In case of any quality issues with the supplied equipment, the supplier shall be responsible for free repairs (excluding equipment failures and vulnerable parts caused by human factors, non-compliance with operating procedures, natural disasters, and non force factors). After one year, the supplier promises to be responsible for lifelong maintenance of the equipment at a discounted price; The equipment will be transported back to the supplier for major repairs, and the cost will be reassessed. The shipping cost will be borne by the purchaser.

1. After sales service content:

1) Equipment except for vulnerable parts（Scraper, coating roller, back roller）Warranty for one year. In case of any quality issues with the supplied equipment, the supplier shall be responsible for free repairs (excluding equipment failures and vulnerable parts caused by human factors, natural disasters, or non force majeure factors). After one year, responsible for lifelong maintenance of the equipment and charging fees based on cost;

2) Respond to technical issues raised by the demand side within 2 hours, arrive on site within 24 hours, and arrive on site for urgent handling within 12 hours.

3) The supplier is responsible for installation and debugging, while the purchaser conducts installation and acceptance according to the technical agreement.

4) Training: Prior to equipment delivery, the buyer can send 1-4 operators and engineers to the site for training; Your company is responsible for the accommodation and meals expenses during the training period.

After the equipment is delivered, two or more operators and on-site engineers will receive free training on site for at least 10 days.

2. The training content includes:

1) Common knowledge of equipment safety protection

2) The working principle and overall structure of the equipment

3) Operation and precautions of equipment

4) Daily maintenance and spare parts replacement skills for equipment

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