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Prismatic Battery Top Cover Laser Welding Machine
Our battery top cover laser welding machine is designed for high‑speed laser sealing of prismatic cell tops to aluminum cases. This prismatic battery top cover laser welding equipment achieves ≥20PPM, ±0.02mm trajectory accuracy, and ≥99% yield. As a complete lithium battery case sealing laser welding machine, it integrates automatic loading, protective cap handling, seam inspection, edge rolling, Hi‑pot testing, and MES connectivity – ideal for modern gigafactories.
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Prismatic Battery Top Cover Laser Welding Machine – High‑Speed Sealing for Prismatic Cells
⚡ Key Performance Metrics: ≥20 PPM | ±0.02mm trajectory accuracy | ≥99% yield | 95% OEE | MES‑ready
Product Overview – Prismatic Cell Sealing Station
PPCELL’s prismatic battery top cover laser welding machine is a fully automatic lithium battery case sealing welding machine designed for high‑volume prismatic cell production. This complete prismatic cell sealing station integrates cell loading, protective cap handling, high‑speed ring‑spot laser welding, seam inspection, edge rolling, Hi‑pot testing, and conveyor‑based transfer – all in one system. With >20PPM throughput, ±0.02mm accuracy, and 99% yield, it is purpose‑built for EV gigafactories requiring reliable, spatter‑free top cover sealing.
Technical Specifications
| Parameter | Value |
|---|---|
| Cell Size Range | Height: 80–220mm, Width: 120–250mm, Thickness: 30–80mm |
| Production Capacity | ≥20 PPM |
| Yield Rate | ≥99% |
| OEE (Availability) | ≥95% |
| Welding Speed | 0–250mm/s (adjustable) |
| Trajectory Deviation | ≤±0.02mm |
| Corner Speed Fluctuation | ≤±5mm/s |
| Laser Head Movement Jitter | ≤0.05mm |
| Machine Dimensions (L×W×H) | 6000 × 4400 × 2800 mm |
| Weight | ≈15T |
| Power Supply | AC380V/50Hz, 90kW |
| Air Supply | ≥0.6MPa, 4L/s |
| Nitrogen | ≤0.6MPa, 3L/s, 99.99% purity |
Advanced Technical Features
- Ring‑spot laser (annular beam) – Produces smooth, spatter‑free welds.
- Marble welding platform – Ultra‑rigid, thermally stable, absorbs vibration.
- Linear motor XY axes – High speed, zero backlash, long life.
- Flexible grippers with anti‑collision design – Protect cells; power‑off and air‑cutoff protection.
- Automatic laser defocus measurement – Real‑time feedback and alarm.
- Coaxial shielding gas – Flow adjustable, monitored, and alarmed.
- Protective cap handling module – Automatically exchanges caps; usage‑count setting.
- Three‑axis positioning fixture – X/Y/Z clamping with follow‑up mechanism.
- Adjustable welding angle and trajectory – Adaptable to different cell designs.
- Dust extraction module – Independent dust collector with air speed sensor.
- Hi‑pot test module – Detects shorted cells; test duration adjustable.
- Optional 2D/3D weld appearance inspection – For post‑weld quality assurance.
- Edge rolling module – Roll angle adjustable; real‑time angle monitoring.
- NG buffer with clear indication – Safe, non‑stop removal of rejected cells.
- MES integration – Process data exportable by time, shift, or cell QR code; Excel/CSV charts.
Why Choose PPCELL? – Full Automation, Not Just Semi‑Auto
Unlike semi‑automatic alternatives from other suppliers that require manual loading/unloading, PPCELL’s prismatic battery top cover laser welding machine is a fully automated, inline system. This reduces labor dependency, increases consistency, and delivers traceable production data – essential for scaling to gigawatt‑hour volumes.
FAQ – Frequently Asked Questions
Q1: What is the difference between a ring‑spot laser and a standard laser for sealing?
A: A ring‑spot laser (annular beam) distributes energy with a low‑center, high‑edge profile, producing smoother weld seams and reducing spatter by up to 80% compared to traditional Gaussian beam lasers. This is critical for achieving leak‑free hermetic seals on prismatic battery cases.
Q2: Can this machine be integrated into an existing prismatic cell assembly line?
A: Yes. The system is designed for inline integration with upstream (cell stacking/assembly) and downstream (leak testing, formation) equipment. It communicates via standard industrial protocols (OPC UA, Modbus TCP) and includes conveyor interfaces for seamless material flow.
Q3: How is weld quality monitored in real time?
A: The machine integrates laser defocus distance measurement (alarm if out of tolerance), coaxial shielding gas flow monitoring, and optional 2D/3D appearance inspection. All welding parameters (power, speed, trajectory) are recorded and can be uploaded to your MES system for full traceability.
Q4: What safety features are included?
A: The system includes Class‑1 laser safety enclosure, emergency stops, light curtains, interlock switches, and dust extraction. All electrical and pneumatic components meet CE standards.
Q5: What is the typical lead time for delivery and installation?
A: Standard delivery is 3‑4 months after order confirmation. Installation and commissioning on‑site typically takes 2‑4 weeks, followed by 1‑2 weeks of operator training and production ramp‑up support.
Get a Customized Quote
Contact our battery laser welding experts to discuss your prismatic cell production requirements. We provide free technical consultation, on‑site commissioning, and operator training.