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NovaStar, LC125, Extrusion Coater, 500mm Maximum Foil Width, 18m Oven Length (New)

Description

  1. Overview
    1. Extrusion coater for positive and negative film coating process of lithium iron, lithium cobalt and manganese lithium batteries.
    2. Equipment function: used in the positive and negative film coating process of lithium iron phosphate, lithium cobalt, and manganese lithium batteries.
    3. Mode of coating: extrusion coating.
    4. Coating modes: intermittent coating and continuous coating.
  2. Specifications
    1. Foil thickness: aluminium foil 11 to 30 µm, copper foil 8 to 30 µm.
    2. Maximum foil width: 500 mm; coating width: 300 to 500 mm.
    3. Maximum machine speed: 20 m/min; speed precision: ±0.1 m/min; coating speed: 0.5 to 12 m/min (except for lithium iron phosphate).
    4. Slurry density: oily 6000 to 12000 cps, water 4000 to 8000 cps.
    5. Dry thickness on single coating: 50 to 300 µm.
    6. Minimum intermittent length: 5 mm.
    7. Solvent: oiliness NMP (S.G. 1.033, B.P. 204 °C), water H₂O/NMP (S.G. 1.000, B.P. 100 °C).
    8. Solid content: S.C. 65% ±20% (positive), S.C. 50% ±20% (PVDF), S.C. 50% ±10% (SBR) (negative).
    9. Specific weight: 1.5 to 2.5 g/cm² (positive), 1 to 1.8 g/cm² (negative).
  3. Machine Introduction
    1. Unwinding unit
      1. Roller install structure: riser installation (thickness 30 mm).
      2. Tension control: automatic tension control, floating roller and tension sensor control; tension range 0 to 200 N.
      3. Inner diameter of unwinding and rewinding scroll: 3; maximum diameter of rewinding: 500 mm.
      4. Active de-coiling and foil rewinding function.
      5. Correction control: automatic correction, EPC control.
    2. Machine head unit
      1. Installation structure: with a 50 mm riser; weight 1 t.
      2. Diameter of coating roller: 300 mm.
      3. Coating roller power: servo motor.
      4. Feeding pressure monitor: yes.
      5. Feeding pump: precision meter pump, filter, 20 L hopper, control box.
      6. Quantity control of coating slurry: precision meter pump makes the servo motor control the slurry quantity.
      7. Coating width control: change the matching die plate.
    3. Oven
      1. Length of oven: 3 m/segment x 6 = 18 m.
      2. Structure of whole ovens: arc-shaped structure.
      3. Driving mode of running roller: first two ovens are main driving by servo motor, last oven is with suspension structure.
      4. Heating mode: electric heating.
      5. Heating temperature: room temperature to max 140 °C; temperature control precision < ±3 °C; outside temperature < 50 °C.
      6. Temperature control: independent control of each oven, installed with overheat warning device.
      7. Mode of blowing: up and down blowing; air flow is separately controlled by valve.
      8. Fans control: variable frequency control.
      9. Heating power: 18 kW/segment.
    4. Winding unit
      1. Function is same with the rewinding unit.
      2. Correction: installed at the export of oven.
      3. Winding motor: variable frequency motor.
    5. Dimension and weight
      1. Dimensions (not including access roads): 25422 x 3348 x 2583 mm (L x W x H).
      2. Weight: 7 t.
    6. Automatic feeding system
      1. No, optional.
    7. Nmp reclaiming system
      1. No.
    8. Spare parts
      1. Supply one coating roller and two coating die plates freely.
    9. Color
      1. You could choose the color, or it will be our standard colors if you have no requirements (off-white).
  4. Machine Precision
    1. Coating roller running round beating: ≤ 1.5 µm.
    2. Dry thickness precision on single coating: ±2 µm (normal slurry).
    3. Alignment of double sides: ≤ ±1 mm.
    4. Correction precision: ≤ ±1 mm.
    5. Tailing: ≤ 1 mm.
  5. Installation Environment
    1. Environment temperature of machine head: 20 to 30 °C; other parts: 10 to 40 °C.
    2. Relative humidity of machine head: positive (aluminium foil) RH ≤ 35%, negative (copper foil) RH ≤ 98%; other units ≤ 98%.
  6. Supporting Facilities
    1. Power: 3 ph, 480 V, 60 Hz; voltage fluctuate range: +8% to -8%; total star power: 155 kW (working power is about 60%).
    2. Compressed air: after drying filter and steady voltage, vent air pressure above 5.0 kg/cm².
  7. Operation Specification
    1. Supply equipment original procedures, electrical connections drawing, electrical schematics, mechanical assembly, etc.
    2. Supply all operation specification of the equipment operation and controlled unit, notice specification of operating the machine (English).