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DSP-300TB-8D/E experimental coating machine

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Features Technical Indicators Overall Dimension

Device functions:

Serial number	project	Technical Parameters	Remark
1	Suitable for system	Coating process for positive and negative electrode sheets of lithium iron phosphate, lithium cobalt oxide, lithium manganate and other system batteries
2	Running substrate thickness	Aluminum foil (Al): 3-30um Copper foil (Cu): 3-30um
3	Roller surface design width	300mm
4	Guaranteed coating width	50-260mm
5	Equipment mechanical operating speed	3m/min
6	Equipment coating speed	1m/min (depending on drying conditions)
7	Suitable for slurry viscosity	2000-16000 Cps
8	Single-sided coating dry thickness range	50-150μm
9	Minimum interval length	20
10	Dry thickness accuracy	±3 microns
11	Solvent properties	Oily solvent NMP (s.g=1.033,b.p=204℃)
11	Solvent properties	Aqueous solvent H2O/NMP (s.g=1.000,b.p=100℃)
12	Suitable for solid content	Positive electrode S. C. 60%±20%
12	Suitable for solid content	Negative pole S. C. 50%±10% (PVDF system)
13	proportion	S. C. 50%±5% (SBR system)
14	Coating method	Positive electrode 1.5-2.59/cm2
15	Substrate running direction	Negative electrode 1-1.89/cm2

Serial number	Name	Origin
1	Air switch	Chint (domestic)
2	PLC	Omron (Japan)
3	Touchscreen	Kunlun Tongtai
4	Module	Omron (Japan)
5	Intermediate relay	Schneider
6	Servo motor	Huichuan
7	Planetary topology machine	Shanghai
8	Bracket	Chint (domestic)
9	AC contactor	Chint (domestic)
10	Solid state relay	Magal
11	Thermostat	dongqi
12	Troubled and paranoid	Braided spokes
13	Drape	Variable frequency tension
14	Main rewinding motor	Shanghai
15	Optical fiber electric eye	Keyence
16	Push cylinder	AirTAC
17	Deep groove ball bearing (machine head)	NSK/NTN
18	Install roller	Hard chrome plating
19	Back roller	Imported EPDM rubber
20	Scraper	Hard chrome plating
21	Guide roller	Aluminum alloy surface anodization
22	Frequency converter	INVT
23	Air switch	Taiwan

Introduction to the structure of each part:

1. Integrated unwinding, rewinding, double head mechanism for coating on both sides at the same time：

Serial number	Project	Technical Parameters	Remark
1	Roller installation structure	Vertical plate single axis installation method
2	Roller surface treatment	Metal aluminum roller surface oxidation
3	Tension control system	Closed-loop automatic control of constant tension, tension range 0-50N
4	Correction method	Automatic EPC control, stroke 80mm
5	Material loading method	The material roll is fixed with a 3-inch air expansion shaft.
5	Material loading method	Single axis support for unwinding
6	Substrate running direction	Forward and reverse
7	Substrate running speed	5m/min
8	Maximum unwinding diameter	Ф300mm
9	Maximum load-bearing capacity of air shaft	100kg
10	Unwinding air shaft	1 item
11	Main drive motor	Motor
12	intermittent push	Have
13	Roller surface treatment	Metal aluminum roller surface oxidation, circular runout ≤30um
14	Coating roller (steel roller)	Surface hard chrome plated, diameter Ø100mm;
15	Back roller (cot roller)	Diameter Ø100mm, surface covered with imported EPDM rubber
16	Tank mixing	Have
17	Roller coating head	Servo drive
18	Single head position	Installation and operation before drying tunnel

3、Drying road

Serial number	Project	Technical Parameters	Remark
1	Oven structure	Single layer independent heating, arranged up and down
2	Oven length	3 sections, 3 meters oven
3	Material	SUS304 stainless steel, inner tank 1.0mm, outer tank 1.2mm
	Oven guide roller transmission mode	Passive roller transmission	Negative pressure chamber
4	temperature control	It is divided into normal operating temperature control and over-temperature monitoring and alarm protection control. When over-temperature occurs, an audible and visual alarm will appear and the main heating power supply will be cut off; each section is completely independently controlled.
5	Heating method	Electric heating, hot air circulation structure
6	Oven heating power	25KW
7	Temperature in drying tunnel	Design Max120℃, temperature difference in single section oven ≤5℃
8	Box surface temperature during operation	≤45℃
9	Hair drying method	The upper and lower air blows, and the upper and lower air volumes are controlled separately through valves; the upper and lower air chambers share a heating body
10	Exhaust volume control for each section	Independent control via mechanical valve
11	Air nozzle structure	The blowing direction is 30 degrees from the horizontal, and the air nozzle slot is slotted using a special mold.
12	Fan control	Contactor control
13	heating control	solid state relay
14	Fan material	SUS304 stainless steel
15	Solvent recovery system	Not provided, only assists in installing the interface	Customer requirements
16	NMP solvent concentration alarm	None
17	Air chamber pressure monitoring	None

Oven fan parameters：

4、Rewinding mechanism: The function is the same as that of unwinding, with the following additions:

Serial number	Project	Technical Parameters	Remark
1	tension	One set is installed in front of the traction roller, with closed-loop automatic control of constant tension, the tension range is 0~50N, and the rewinding is controlled by a magnetic powder clutch.
2	Installation structure	Square tube frame welding
3	Rewinding air shaft	1 item	Single arm winding

5、Control System：

Serial number	project	Technical Parameters	Remark
1	Main control system	Touch screen, PLC, module, servo system
2	Operation mode	Manual, automatic, emergency stop; can be operated from the front and rear of the whole machine
3	Coating length setting range	Coating length 20.0-3200.0mm
4	Alarm situation	When the equipment fails, the touch screen will display the corresponding correction screen.
5	counting function	Production quantity/length
6	Head and tail thickness adjustment method	The speed ratio of steel roller and rubber roller is controlled by program;

Equipment accuracy：

1、Hardware accuracy

Serial number	project	Technical Parameters	Remark
1	Dou Dao	Circular jump ≤ 1.5um, Ra0.4, straightness ≤ 1.5um
2	Coating roller (steel roller)	Circular runout ≤1.5um, Ra0.4 straightness ≤1.5um
3	glue roll	Circular runout ≤10um, straightness ≤10um
4	Correction of deviations	±0.1mm
5	Tool adjustment controls repeat accuracy	±0.1um
6	Temperature control accuracy	±2℃

2、Coating accuracy

Project	Mark
	A（Tailing）	≤1mm (Related to slurry viscosity and binder properties)
	B(Abnormal areas of head)	10mm
	C (abnormal area at the 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)	-10~+8um
	G2 (tail thickness)	-10~+8um
	H (blank error)	±0.5mm
	I (front and back position error)	±0.5mm
	J Single side thickness	±1.5%
Length range	L1 (coating film length)	20.0～3200.0mm
	L2 (interval length)	5.0～3200.0mm
	L1 /L2 (coating + discontinuity length)	L1 +L2 ≥90mm

3. Measurement method

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

B． Measuring size Φ42mm or according to the buyer’s process requirements

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

3) Equipment size: 6m X1.5m x1.5m

5. Supporting facilities

1) Power supply: 3PH 380V, 50HZ, voltage fluctuation range: +8%-–8%; total starting power of the power supply is 10KW;

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

6. Submitted documents and operating instructions:

Provide electrical connection diagrams, electrical schematic diagrams, mechanical assembly diagrams, etc.;

Provide operating instructions for all control units of the equipment, complete equipment operation and precautions instructions;

7. After-sales service: The equipment is guaranteed for one year. If quality problems occur with the supplied equipment, the supplier will be responsible for free repairs (except for equipment failures and wearing parts caused by human factors and failure to follow operating procedures, natural disasters, and force majeure factors). After one year, the supplier promises to be responsible for the lifelong maintenance of the equipment at a preferential price; the equipment will be shipped back to the supplier for maintenance after overhaul, and the cost will be revalued, and the freight will be borne by the demander.

1. After-sales service content:

The equipment has a one-year warranty except for wearing parts (scraper, coating roller, back roller). If quality problems occur with the supplied equipment, the supplier will be responsible for free repairs (equipment failure and wearing parts caused by human factors, natural disasters, and non-magnetic factors). except). After one year, we will be responsible for lifetime maintenance of the equipment and charge according to the cost;

We will respond to technical issues raised by buyers within 2 hours, arrive at the scene within 24 hours, and arrive at the scene within 12 hours for urgent requests.

The supplier is responsible for installation and debugging, and the demander performs installation acceptance according to the technical agreement.

Training: Before the equipment is delivered, the buyer can send 1 to 4 operators and engineers to on-site training; your company is responsible for the board and lodging expenses during the training period.

After the equipment is delivered, more than two operators and two on-site engineers will be trained on site for free for more than 10 days.

2. Training content includes:

1) Common sense of equipment safety protection

2) Working principle and overall structure of the equipment

3) Equipment operation and precautions

4)Daily maintenance of equipment and spare parts replacement operation skills
8. Confidentiality agreement: The content of this agreement contains the company’s proprietary technology. This specification may not be disclosed to people or organizations outside your company without the written permission of our company.