Automatic Roll-to-Roll Slitting Machine for Lithium-Ion Battery Electrode Cutting en Dongguan, Guangdong, China
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Especificaciones
- Condición
- nuevo
- Payment
- L/C,T/T,Western Union, Paypal
- Product origin
- China
- Shipping port
- Xiamen
- Certificate
- CE ROHS Certificate
- Component
- Description
- Unwinding shaft
- 3-inch air expanding shaft
- Max unwind ø
- 450 mm
- Guiding control
- Manual/Auto mode switch
- Guiding system
- Photoelectric web guide, ±50 mm stroke, ±0.1 mm accuracy
- Tension system
- High-sensitivity tension sensor + unwind brake with PLC for closed-loop tension control
- Tension accuracy
- ±2 N
- Splicing platform
- Chrome-plated surface with threading grooves; double pressure bars with pneumatic clamping
- Knife unit
- Adjustable gap between top and bottom knives (via spacer replacement); adjustable engagement depth
- Speed display
- Upper/lower knife line speed ratio shown on HMI
- Spacer design
- Precision spacers of different widths ensure consistent slitting width
- Knife guide rollers
- Infeed rollers installed on the knife frame
- Drive method
- Top and bottom knives driven independently by servo motors
- Rewind shaft
- Two sets of Φ3″ (ID Φ76.2 mm) differential shafts (core provided by customer)
- Max rewind ø
- 450 mm
- Tracking rollers
- One set per rewind shaft to adapt to roll diameter variation
- Knife dust collection
- Bottom knife equipped with dust removal device
- Electrode dust collection
- One set each for upper and lower electrodes post-slit
- Upper belt
- Pneumatic roller controlled by solenoid valve to press the upper electrode during rewinding
- Lower belt
- Pneumatic roller controlled by solenoid valve to press the lower electrode during rewinding
- Upper arm
- Pneumatically controlled pressure arm with chrome-plated roller
- Lower arm
- Pneumatically controlled pressure arm with chrome-plated roller
- Rewind drive
- Motor drives upper and lower rewind shafts via synchronous belt/pulley system
- Traction drive
- Motor drives traction and transition rollers via synchronous belt/pulley system
- Section
- Description
- Unwind control
- Controls web guiding and splicing table pressure rods
- Rewind control
- Main control section with touchscreen interface
- Unwinding tension
- Controls tension during unwinding
- Post-slit tension
- Open-loop control of tension after slitting
- Roll diameter
- max Φ450 mm
- Roll weight
- max 320 kg
- Core inner diameter
- Φ3″ (Φ76.2 mm)
- Foil width
- max 680 mm
- Foil thickness
- copper 4.5–20 μm; aluminum 9–25 μm
- Coated material max width
- max 650 mm
- Slitted electrode thickness
- 50–200 μm
- Item
- Specification
- Maximum unwinding diameter
- Max φ450mm
- Web feeding method
- Manual threading
- Unwinding tension control
- Automatic closed-loop tension control system
- Tension control range and accuracy
- 20–200N, ±2N
- Slitting method
- Multi-strip simultaneous rotary disc cutting
- Rewinding method
- Dual upper and lower slip shaft rewinding units
- Slip shaft
- Low-friction slip shaft (#14)
- Epc controller stroke and accuracy
- ±50mm, ±0.1mm
- Mechanical speed
- Max 50m/min (continuously adjustable)
- Slitting acceptance speed
- 10–18mm: 20m/min; Above 18mm: 30–50m/min
- Minimum slitting width
- 10mm
- Slitting width accuracy
- ±0.05mm (Edge trim width ≥2mm, fully coated)
- Knife holder configuration
- Two combined knife holders: one configured with a full set of spacers for 25-strip slitting (with knife holders and blades), and the other with 26 knife holders only. (Note: Customer’s universal spacers of the same specification are compatible with this machine’s fixed spacers.)
- Knife holder transfer cart
- One provided per machine
- Dust collection
- Dust collection at material receiving platform, knife holder, and both sides of slit electrodes (requires brush roller structure). Integrated into customer’s central dust collection system. Interface reserved: φ90mm
- Demagnetization configuration
- Equipped with four rectangular magnets (10,000 Gauss) post-slitting. Adjustable spacing between 3–15mm
- Pressure roller configuration
- Standard: 25 sets/machine. Model: L20×40mm. Compatible with equipment from this factory
- Slitting knife brand
- Domestic alloy blade, φ100mm disc bladeMinimum usable diameter: φ96mmSupplied blade shim thicknesses: 9.8mm / 9.55mm / 9.3mm / 9.05mm / 8.8mm / 8.55mm / 8.3mm
- Electrode burrs (including coating and foil)
- Longitudinal burrs ≤5μm (measured vertically beyond the coating); Lateral burrs ≤7μm (measured horizontally beyond the coating). Incoming materials must be free of removable slurry or visible serration.
- Electrode serpentine deviation (slitting direction curvature)
- Test method: Lay the sheet flat. Fix both ends aligned to a 1-meter ruler. Use a transparent ruler to measure max distance between sheet and ruler: ≤±0.3mm/1000mm. Must ensure good post-calendering flatness, no deformation, sufficient edge trim, no powder loss, no waviness, no stretching, no cracking.
- Electrode edge waviness
- Test method: Lay flat, measure using optical instrument: ≤±0.5mm. Must meet same quality standards as above.
- Intelligent counting features
- Total slitting length, unwind/rewind tension, upper/lower slit speed ratio, friction coefficient, blade life, machine speed, total meters slit, runtime—all adjustable via touchscreen
- Electrical requirements
- 3-phase, 5-wire, 380V / 30A / 50Hz
- Air consumption
- 150L/min
- Total power
- Approx. 8kW; compressed air pressure ＞5kg/cm²
- Air quality requirements
- Water-free, oil-free, filtered clean air
- Operating environment
- Temperature: 20–40°C; Humidity: 30–70%
- Rewinding width
- Min 10mm – Max 680mm (using slip shaft #14)
- Rewinding end face alignment accuracy
- ±0.5mm
- Rewinding tension control range
- Per shaft: 5–50N
- Edge trim handling
- Trim width: 3–5mm (must be fully coated material)
- Machine utilization rate
- ≥95%
- Machine weight
- Approx. 3.5T (Customer floor bearing capacity: 600kg/m²)
- Machine color
- Frame and electrical cabinet in warm gray; other parts chromed (custom colors require customer-provided color sample)
- Accessories supplied
- Chinese user manual, maintenance manual, and manuals for purchased components
- Noise level
- ≤80 dB measured 1m from winding area (excluding material-related noises like tape peeling)
- Note
- Customer must provide one roll of electrode sheet (approx. 500m, as applicable for positive/negative) for machine testing
- Subcategoría
- Supercapacitor assembly machine line
- ID de Anuncio
- 105320469
Descripción
Automatic Roll-to-Roll Slitting Machine for Lithium-Ion Battery Electrode Cutting
I. Equipment Overview
1.1 Equipment Function Description
Our company's independently developed automatic electrode slitting machine, a mature and stable model, is mainly used for slitting lithium-ion battery electrodes, catering to the market's mainstream slitting processes. It supports a slitting width range of 10–680 mm, features easy operation, and meets diverse slitting needs. Adopting a double-shaft rewinding structure, it works as follows: the electrode material is mounted on the unwinding shaft, passively unwound via the drive roller, automatically aligned, then passes through the slitting knives and dust removal brushes to complete the slitting process as required. The machine is user-friendly with simple loading and threading, stable performance, and good slitting results.
1.2 Equipment Operating Procedure
Threading instructions (from right to left):
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