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Automatic Transfer Coating Machine For Cylindrical Cell Battery Electrode Making
Model: MR-TCM450-4.5
The Automatic Transfer Coating Machine is a precision-engineered system designed for high-efficiency and consistent coating of electrode materials, ideal for lithium-ion battery manufacturing and other advanced material applications. It enables seamless automatic transfer between unwind, coating, drying, and rewinding stages, significantly improving productivity and coating uniformity.
Equipment composition:
Host: unwinding/head - drying track - winding and each part of the control system
Main equipment configuration:
|
No |
Name |
Brand |
| 1 |
Air switch |
Chint |
| 2 |
PLC controller |
Japan Omron/Huichuan |
| 3 |
Touch screen |
Kunlun pass state |
| 4 |
Intermediate relay |
Schneider/Omron |
| 5 |
Servo motor |
Japan Panasonic/Ruineng (according to the purchase cycle) |
| 6 |
Planetary reducer |
Aibo/Dick Cisco |
| 7 |
Circuit breaker |
Chint |
| 8 |
Ac contactor |
Chint |
| 9 |
Solid-state relay |
Made in China |
| 10 |
Temperature controller |
Omron/Atai |
| 11 |
Automatic correction (closed loop) |
Servo motor drive |
| 12 |
Automatic tension (front tension) |
PID controls the motor speed |
| 13 |
Automatic tension (rear tension) |
PID controls the motor speed |
| 14 |
Optical fiber eye |
Panasonic of Japan |
| 15 |
Pneumatic element |
Jadek |
| 16 |
Rodless cylinder |
Shian |
| 17 |
Deep groove ball bearing |
NSK/SKF |
| 18 |
Air blower |
Stainless steel, multi-wing low noise, Guangzhou |
Basic functions of the equipment:
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Fit system |
Lithium iron phosphate, lithium cobalt, lithium manganate, ternary, lithium nickel cobalt manganate and other systems; Oil, water system of positive and negative electrode coating process; Supercapacitor coating process |
|
| 2 |
Run substrate thickness |
Aluminum foil (Al) : 8 ~ 30um Copper foil (Cu) : 6 ~ 30um |
|
| 3 |
Design width of roll surface |
450 mm |
|
| 4 |
Ensure the coating width |
100~350mm-380mm,Max400mm |
|
| 5 |
Equipment mechanical operating speed |
4m/min |
|
| 6 |
Coating speed |
1～2m/min |
Depends on stock and coating thickness |
| 7 |
Suitable for slurry viscosity |
Oily solvent 2500-10000 Cps |
Intermittent coating |
|
Aqueous solvent 1000-6000 Cps |
|||
|
2000~12000 Cps |
Continuous coating |
||
| 8 |
Single side coating dry thickness range |
50-150μm 50~300g/m2 |
Due to material characteristics, it is possible not to meet at the same time |
| 9 |
Minimum intermittent length |
4mm |
|
| 10 |
Minimum coating length for multiple sections |
20mm |
|
| 11 |
Solvent characteristic Suitable solid content |
Oily solvent NMP(s.g=1.033,b.p=204℃) |
For reference only |
|
Aqueous solvent H2O/NMP(s.g=1.000,b.p=100℃) |
For reference only |
||
| 12 |
Minimum intermittent length |
Cathode S.C. 55%±20% |
|
|
Anode S.C. 55%±20%(PVDF system) |
For reference only |
||
| 13 |
Coating method |
Single-layer front and back 2 sections uneven interval intermittent transfer coating/second surface automatic tracking/continuous coating |
|
| 14 |
Substrate running direction |
Forward coating, substrate positive and reverse empty foil operation |
|
| 15 |
Roll guide outside the baking path |
About φ80mm aluminum guide roller, surface hard oxidation |
Finish Rc0.4 |
The structure of each part:：
1). Winding mechanism:
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Over roller mounting structure |
Monolithic vertical mounting (thickness 30mm) |
|
| 2 |
Tension control system |
PID control motor speed control gravity block position, pressure control tension |
|
| 3 |
Correction mode |
Automatic EPC control, stroke 50mm, deviation correction controller accuracy ±0.5mm |
Ultrasonic detection, can identify the transparent membrane |
| 4 |
Winding method |
The material roll is fixed with 3-inch inflating shaft and supported on one side; |
|
| 5 |
Substrate running direction |
Forward and reverse |
|
| 6 |
Unwinding direction |
Above and below |
|
| 7 |
Unwinding winding diameter |
Ф85~Ф300mm |
|
| 8 |
Maximum bearing capacity of the inflatable shaft |
100Kg/ piece |
|
| 9 |
Drum specification |
Length ≤430mm, inner diameter about 76mm(3 inches) |
|
| 10 |
Number of inflatable shaft strips |
A piece of |
|
| 11 |
Receiving platform |
Double rod press belt, opening slot |
|
| 12 |
Driving mode |
Inverter controls AC motor |
2). Head structure:
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Main drive motor |
Servo motor |
|
| 2 |
Intermittent drive motor |
Servo motor |
|
| 3 |
Scraper construction |
Solid set type double-sided comma scraper, substrate, set 40Cr electroplating |
|
| 4 |
Scraper Angle rotation control |
Move the handle and rotate |
|
| 5 |
Coating roll |
Hard chrome plated surface, diameter Ø128mm; Hollow structure |
|
| 6 |
Back roll |
Diameter Ø128mm, coated with EPDM, roller surface grinding |
|
| 7 |
Tank mixing |
The rodless cylinder moves in a straight line and the speed is adjustable to prevent the slurry from settling |
|
| 8 |
The intermittent height of the scraper is adjusted |
Full servo tool adjustment, control the lift of the tool holder. Lifting range 1~300um |
|
| 9 |
Baffle plate |
Match steel plate + foaming sea surface, coating width can be adjusted |
|
| 10 |
Operation mode |
Touch screen + button operation |
The common action is the external key |
3).Baking
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Dry the bile structure in the body |
Independent interior design, ship type design |
|
| 2 |
Oven length |
3 sections, 1.5 meter each, a total of 4.5 meters |
|
| 3 |
Sheet metal material of drying duct and air duct |
Inner liner SUS304 stainless steel, outer liner SUS 201 stainless steel |
|
| 4 |
Driving mode of oven guide roller |
Passive transmission mode |
|
| 5 |
Temperature control |
Divided into normal operating temperature control, overtemperature monitoring alarm protection control, overtemperature will appear sound and light alarm, and cut off the main heating power supply; |
|
| 6 |
Heating method |
Electric heating, hot air circulation structure |
|
| 7 |
Single oven heating power |
10KW/ knot; 3 sections total 30KW; |
|
| 8 |
Temperature in the baking channel |
Room temperature ~140℃, single section temperature difference < 5℃, each stage independent control |
|
| 9 |
Body surface temperature during operation |
Measured temperature emission ≤ set temperature 50% |
|
| 10 |
Blowing mode |
Upper and lower blow air, lower return air, independent heating body of the air chamber, independent temperature control, independent air volume control |
|
| 11 |
Each section exhaust air volume control |
Independent control via mechanical valve |
|
| 12 |
Heating fan control |
Automatic control |
|
| 13 |
Exhaust fan control |
Automatic control |
|
| 14 |
Heating control |
Solid-state relay |
|
| 15 |
Solvent recovery system |
No, only the installation interface is provided |
|
| 16 |
Total exhaust air volume |
500-1300㎥/H |
The air valve is adjustable |
| 17 |
Exhaust fan distribution |
1 exhaust fan |
|
| 18 |
Main body insulation |
Double-layer structure, insulation layer thickness 80mm, glass wool heat insulation |
4). Traction and winding mechanism:
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Winding tension control system |
Taper tension control, according to the size of the winding diameter, adjust the size of the tension, to prevent receiving large roll uneven. |
|
| 2 |
Winding correction |
Automatic EPC control, travel 50mm |
|
| 3 |
Winding method |
The roll is fixed with a 3-inch inflatable shaft and supported on one side |
|
| 4 |
Substrate running direction |
Forward and reverse |
|
| 5 |
Winding direction |
Above and below |
|
| 6 |
Winding diameter |
Ф85~Ф300mm |
|
| 7 |
Maximum bearing capacity of the inflatable shaft |
100Kg/strip |
|
| 8 |
Drum specification |
Length ≤430mm, inner diameter about 76mm(3 inches) |
|
| 9 |
Number of winding inflatable shafts |
A piece of |
|
| 10 |
Receiving platform |
Single rod press belt, open slot |
|
| 11 |
Driving mode |
Servo motor control |
|
| 12 |
Roller guide mounting structure |
Vertical type |
5). Control system:
|
No |
Item |
Technical parameter |
Remark |
| 1 |
Main control system |
Touch screen, PLC, module, servo system |
|
| 2 |
Mode of operation |
Manual, automatic, emergency stop; The machine can be operated before and after |
|
| 3 |
Setting range of coating and intermittent length |
Coating length 20.0 ~ 3200.0mm |
Software can lock the range |
| 4 |
Alarm situation |
Intermittent length 4.0 ~ 300.0mm |
|
| 5 |
Counting function |
When the device fails, the touch screen will display the corresponding fault prompt screen |
|
| 6 |
Intermittent head and tail thickness adjustment method |
Quantity/length of production |
6). Automatic feeding system:
customer-owned
Coating equipment appearance size and quality:
6500 * 1298 * 1971(L×W×H);3000kg(for reference only)
Equipment accuracy:
1. Hardware accuracy
|
No |
Item |
Technical parameter |
Remark |
| 1 |
scraper |
Round runout ≤ 1.5um, straightness ≤ 1.5um |
|
| 2 |
Coating roll |
Round runout ≤ 1.5um, straightness ≤ 1.5um |
|
| 3 |
Back roll |
Circular runout ≤ 15um, straightness ≤ 15um |
|
| 4 |
Deviation correction |
±1mm |
|
| 5 |
Tool setting controls repetition accuracy |
±1um |
|
| 6 |
Temperature controller control accuracy |
≤±2℃ |
2.Coating accuracy
|
Item |
Remark |
Standard (Speed V=1.5 m /min) |
|
|
A (trailing) |
≤1mm (related to slurry viscosity and binder characteristics) |
|
B(Abnormal area of the head) |
10mm |
|
|
C(Tail anomaly area) |
6mm |
|
|
D(Edge effect area) |
≤3mm |
|
|
E(length error) /H(margin error) |
≤±0.5mm ≤±0.7mm |
|
|
F (width error) |
±1mm |
|
|
M(width error) |
±1mm |
|
|
G1 (head thickness) |
-5~+6um |
|
|
G2 (Tail thickness) |
-5~+6um |
|
|
I (reverse alignment error) |
≤±0.7mm ≤±1 mm |
|
|
J Thickness of one side surface density |
Weight error ≤±1.5% Thickness error ≤±1.5um |
|
|
Length range |
(Remove B, C, D area) |
20.0～3200.0mm |
|
L1(Film length) |
4.0～3200.0mm |
|
|
L2 (intermittent length) |
L1 +L2 ≥120mm |
3.surface density measurement method (recommended)
A. Measuring area: 3mm from edge, 6mm from end, 10mm from beginning.
B. Measurement size Φ44mm or according to the technical requirements of the customer
|
|
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