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Integrated Laser Die-Cutting and Slitting System for Multi-Tab Electrodes
This equipment is designed for the forming of coiled electrode sheets (continuously coated electrode sheets). Its main functions include automatic unwinding of coiled electrodes, tab alignment correction, tab cutting and electrode dust removal, Mark hole L-cutting, CCD inspection, electrode slitting, defect labeling, and automatic rewinding of electrode sheets. It can achieve both equidistant and non-equidistant tab forming.
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Integrated Laser Die-Cutting and Slitting System for Multi-Tab Electrodes – ≥100m/min, ≤0.12mm HAZ for EV Battery Production
⚡ Key Performance: ≥100m/min machine speed | ≤0.12mm HAZ | ≤10μm burr | ±0.2mm Mark hole accuracy | ±0.3mm slitting accuracy | ≥99.5% FPY | ≥95% uptime
Product Overview – Multi-Tab Laser Die-Cutting Slitting System
PPCELL’s integrated laser die-cutting and slitting system is a high-speed, high-precision machine designed for the forming of coiled electrode sheets in lithium-ion battery production. This multi-tab laser die-cutting machine integrates automatic unwinding, tab alignment correction, tab cutting with dust removal, Mark hole L-cutting, CCD inspection, electrode slitting, defect labeling, and automatic rewinding into a single continuous process.
Utilizing a bilateral laser cutting process, the system enables simultaneous cutting of tabs on both sides of the electrode, achieving both equidistant and variable-pitch tab forming. With a machine speed of ≥100m/min, heat-affected zone (HAZ) width ≤0.12mm, burr control ≤10μm, and first-pass yield ≥99.5%, this laser die-cutting and slitting integrated machine is ideal for high-volume EV and ESS battery production lines.
Key Features – Laser Die-Cutting and Slitting Integrated Machine
- Bilateral Laser Cutting Process: Simultaneous tab cutting on both sides of the electrode – doubles efficiency compared to single-side systems.
- Variable-Pitch & Variable-Width Cutting: Supports both variable tab pitch cutting and variable tab width cutting for maximum flexibility.
- High-Precision Laser Components: All laser cutting components are from renowned international brands, ensuring reliability and longevity.
- Comprehensive Dust Removal System: Patented dust removal system with multiple mechanisms including anti-spatter structure, negative pressure, brushing, and ultrasonic dust removal.
- CCD Inspection (Optional): Optional CCD inspection for electrode sheet dimensions and surface defects, enabling labeling of non-conforming products.
- Quick Changeover: Switching between different electrode sheet models requires only parameter changes, facilitating easier model changeovers.
- Correction & Anti-Vibration: Unwinding/rewinding alignment correction, secondary correction for continuous operation, and anti-vibration mechanism at laser cutting section ensure cutting precision.
- Scrap-Free Edge Cutting: Supports scrap-free edge cutting process and accommodates Mark hole cutting on either the tab or the electrode sheet.
Technical Specifications – Laser Die-Cutting and Slitting Equipment
| Parameter | Specification |
|---|---|
| Fiber Laser Cutting Parameters | Laser Diode Pump Source |
| Power Adjustment Range | 10 – 100% |
| Mean Operating Time | 100,000 hours |
| Machine Speed | ≥100 m/min |
| Heat-Affected Zone (HAZ) Width | ≤0.12 mm |
| Burr Control | ≤10 μm |
| Mark Hole Positional Accuracy | ±0.2 mm |
| Electrode Slitting Accuracy | ±0.3 mm |
| Electrode Rewinding Error | ±0.5 mm |
| Tension Fluctuation | ±3 N |
| First Pass Yield (FPY) | ≥99.5% |
| Operational Availability | ≥95% |
| Equipment Noise Level | ≤70 dB |
| Equipment Dimensions (L×W×H) | 8000 × 2100 × 2700 mm (reference) |
Complete Process Flow
The fully integrated process sequence includes:
- Unwinding – Automatic unwinding of coiled electrodes with tension control
- Tab Alignment Correction – Precision alignment of tab positions before cutting
- Laser Tab Cutting – Bilateral laser cutting for tab forming with dust removal
- Mark Hole L-Cutting – Precision Mark hole cutting on electrode sheet
- CCD Inspection – Real-time inspection of electrode dimensions and surface defects
- Electrode Slitting – Precision slitting of electrode sheets
- Defect Labeling – Automatic labeling of non-conforming products
- Rewinding – Automatic rewinding of slit electrode sheets
Why Choose PPCELL Integrated Laser Die-Cutting & Slitting System?
- Industry-Leading Speed: ≥100m/min machine speed maximizes production throughput for high-volume battery manufacturing.
- Superior Cutting Quality: ≤0.12mm HAZ and ≤10μm burr ensure clean, precise cuts for consistent electrode quality.
- High Precision: ±0.2mm Mark hole accuracy and ±0.3mm slitting accuracy meet the tightest cell assembly standards.
- Exceptional Yield: ≥99.5% first-pass yield minimizes waste and rework.
- Bilateral Cutting Efficiency: Simultaneous tab cutting on both sides doubles efficiency compared to single-side systems.
- Flexible Configurations: Supports equidistant and variable-pitch tab forming, variable tab width, and scrap-free edge cutting.
- Comprehensive Dust Management: Patented multi-mechanism dust removal system ensures clean production environment.
- Quick Changeover: Parameter-based model switching enables fast product changeovers.
- Global Support: 15+ years of battery equipment expertise, with installation, training, and after-sales service worldwide.
FAQ
Q1: What is the difference between this integrated laser die-cutting and slitting system and separate machines?
The integrated system combines die-cutting (tab forming) and slitting in a single continuous process, eliminating intermediate handling and reducing contamination risk. This integration also reduces floor space, improves throughput, and ensures consistent alignment between tab cutting and slitting operations.
Q2: What is the maximum machine speed and cutting accuracy?
The system delivers ≥100m/min machine speed with ≤0.12mm heat-affected zone, ≤10μm burr control, ±0.2mm Mark hole accuracy, and ±0.3mm slitting accuracy.
Q3: What types of tab forming does this system support?
The system supports both equidistant and variable-pitch tab forming, as well as variable tab width cutting, providing maximum flexibility for different electrode designs.
Q4: What dust removal features does this system include?
The system features a patented comprehensive dust removal system with multiple mechanisms including anti-spatter structure, negative pressure dust removal, brushing dust removal, and ultrasonic dust removal.
Q5: Does the system include inspection and quality control features?
Yes. Optional CCD inspection for electrode sheet dimensions and surface defects is available, enabling automatic labeling of non-conforming products.
Q6: How quickly can the system change between different electrode models?
Switching between different electrode sheet models requires only parameter changes, facilitating easier and faster model changeovers without mechanical adjustments.
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