Bipolar Plate Automatic Stamping Line

Core Advantages

1. Ultra-High Precision, Micron-Level Forming

Fuel cell bipolar plates feature complex flow channel structures with shallow depths (typically 0.3mm to 0.8mm) and tight tolerances. To meet these requirements, the line uses a high-rigidity precision press paired with dedicated tooling. This ensures consistent flow channel depth across all plates while minimizing spring-back.

2. Fully Automated, Unmanned Operation

The entire process—from coil unwinding, lubrication, stamping, online inspection, to finished plate stacking—is centrally controlled by a PLC. An automatic feeding manipulator is integrated, achieving production cycles of 6 to 12 plates per minute depending on plate size and complexity. This significantly reduces labor costs.

3. In-Line Cleaning for Safety

Oil residue and micro-particles (metal dust) on stamped plates pose a critical risk of short circuits in the stack. To address this, the line integrates plasma cleaning or in-line degassing modules. It ensures plate surface cleanliness reaches ISO Class 5 or equivalent standards.

4. Intelligent Quality Traceability

A CCD visual inspection system monitors defects in real time, including flow channel cracks, wrinkles, and burrs. Each plate is marked with a QR code or DPM code. This enables full lifecycle data traceability, from material batch information to final stamping pressure.

Applications

●Fuel Cell Stacks for Commercial Vehicles and Passenger Cars: High-efficiency production of metal bipolar plates to meet automotive-grade, high-volume supply requirements.

●Stationary Power Generation Systems: Stable stamping of large-area, long-life bipolar plates.

●PEM Electrolyzer Plates: Stamping of thick plates or bipolar plates with specialized coatings.