This production line is specifically designed for the mass production of bipolar plates, a core component of flow batteries, integrating two key processes: precision cutting and high-efficiency sizing.
By incorporating fully automatic loading/unloading, vision positioning, servo-driven punching/milling, hot/cold pressing sizing, and intelligent inspection modules, it resolves common issues in traditional semi-finished processing such as poor dimensional accuracy, excessive edge burrs, and inadequate flatness, thereby significantly improving stack assembly yield and sealing reliability.
PRODUCT DESCRIPTION
1. Micron-level cutting precision
Repeat positioning accuracy ≤ ±0.03 mm
Burr-free edges (burr height ≤ 0.02 mm) – meets the leak-free requirement of stack sealing grooves
2. Precise flatness sizing
Bipolar plate flatness after sizing ≤ 0.2 mm/m (higher standards customizable)
Closed-loop temperature & pressure control, batch consistency CPK ≥ 1.33
3. High takt · low material loss
Single-cycle takt time as fast as 6–12 seconds per plate (depending on plate size)
Optimized cutting layout, material utilization ≥ 88%
4. In-line defect inspection
Integrated vision/laser inspection for pores, cracks, and thickness anomalies
Automatic rejection of defective parts – prevents them from entering the assembly process
5. Flexible changeover
Quick replacement of cutting dies and sizing shims – supports bipolar plates with different flow field patterns, shapes, and sizes (e.g., 200×300 mm to 600×800 mm)
1. Flexible graphite plates
2. Rigid composite carbon‑plastic plates
3. Other polymer‑based conductive bipolar plates
CUSTOMIZED PRODUCTS
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