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Roller press
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Roller press

Principle and application

The equipment is composed of unwinding, front and rear tension control, front and rear correction control, stretching mechanism, preheating (only positive electrode), roll pressing, thickness measurement, winding and so on. After rolling the pole sheet, the coating layer density increases and the thickness accuracy improves, which can meet the requirement of constant tension unwinding to constant pressure rolling and then to automatic winding, and historical data query and export. Key parameter real-time display, problem alarm and cause tracing functions.

    Specifications

    Equipment speed

    10m/min(Max 15m/min)

    Foil thickness

    positive: 10~30um

    negative: 6~20um

    Pole plate thickness

    50~300 µm

    Foil width W1

    ≤400mm

    Roll plate thickness accuracy

    ±2μm(Normal area),CPK≥1.33

    ±3μm(Thinned zone),CPK≥1.33

    Compaction density

    Positive electrode compaction 3.4 g/cm3~3.6 g/cm3(ternary),2.2g/cm3~2.6 g/cm3(Lithium iron);Negative electrode compaction 1.5 g/cm3~1.7 g/cm3

    Winding alignment

    ±0.5mm

    Appearance requirement

    No wrinkles, no damage, no wave edge, no scratch, no crack, no bulge, no pollution, etc

    fgrthv23