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NovaStar, CG203, Slot Die Coating Machine, Working Width 1550mm, Roller Width 1700mm, 150kg/h x 2 Melting Speed (New)

NovaStar, CG203, Slot Die Coating Machine, Working Width 1550mm, Roller Width 1700mm, 150kg/h x 2 Melting Speed

Description

  1. Overview
    1. Hot melt sensitive pressure adhesive coating and lamination line with functions of coating, lamination, peeling, and rewinding.
    2. Material application: PET, PVC, paper, etc.
    3. Procedure: coating, lamination, peeling, rewinding.
  2. Machine Features
    1. Microcomputer PLC and touch screen control for simple operation and high automation.
    2. Wear-resistant alloy steel coating head with greatly improved coating control accuracy and service life.
    3. Integrated overall coating adjustment bracket with precise repeat positioning accuracy.
    4. Automatically tracks, displays, and stores the amount of glue for convenient and fast operation.
    5. First unwinding equipped with a web guiding device; high-performance infrared sensor and electric controller ensure material roll neatness.
    6. Heating temperature is centrally controlled by PLC.
    7. Glue supply amount is metered by pump according to coating width input by worker; glue supply is automatically calculated and fed.
  3. Specifications
    1. Coating method: slot die coating.
    2. Maximum coating width: 1550 mm.
    3. Coating weight: 20 to 250 g/m² (50 to 1250 gsm available).
    4. Uniformity: ≤10%.
    5. Mechanical speed: 10 to 150 m/min (detailed work speed depends on coating weight and adhesive viscosity).
    6. Coating speed determined according to coating amount, adhesive viscosity, solution temperature, and substrate (work speed of 40 m/min available in light coating weight; for 50 gsm adhesive coating, equipment could work up to 60 m/min; for 1250 gsm, coating speed must be slower to allow cooling; dryer specifications to be discussed at time of order).
    7. Roller width: 1700 mm.
    8. Maximum unwinding diameter: 1050 mm.
    9. Maximum rewinding diameter: 1050 mm.
    10. Unwinding tension: ≤600 N.
    11. Film unwinding tension: ≤200 N.
    12. Winding tension: ≤600 N.
    13. Glue melting speed: 150 kg/h x 2 (can be changed to 300 kg/h x 2 piece depending on drum unloader; final application to be advised for design accordingly).
    14. Glue feed hose: Teflon tube.
    15. Temperature: from room temperature to 230 °C.
    16. Electric consumption: about 38 kW.
    17. Installed power: about 103 kW.
    18. Power supply: ~380 V ±15%, 50 Hz (or USA standard 440 V/60 Hz, or 220 V/60 Hz transformer).
    19. Air pressure: 0.6 to 0.8 MPa.
    20. Water pressure needed: 0.15 to 0.4 MPa circulating cooling water.
    21. Floorspace dimensions: 9000 (L) x 6600 (W) x 2300 mm.
    22. Glue amount and speed are tracked synchronously and can also be adjusted independently.
  4. Main Components Description
    1. Machine Frame
      1. No. 1 unwinder made of square steel and channel steel plates welded.
      2. Upper frame made of 30 mm steel plate as a whole and supported by steel pipes.
      3. Transmission cover is 1.5 mm mild steel sheet.
      4. Second unwinding rack installed on the upper platform.
    2. Unwinding Unit
      1. Unwinding incorporates hydraulic feeding and pneumatic clamps, 2 sets.
      2. No. 1 unwinding tension incorporates 200 newton magnetic powder brake, 1 unit.
      3. No. 2 unwinder incorporates 100 newton magnetic powder brake, 1 unit.
      4. No. 1 unwinder tension control by manual adjustment device, 1 unit.
      5. No. 2 unwinder tension control by automatic adjustment device, 1 unit.
      6. No. 1 and No. 2 unwinders shafts use 3" air shafts, 4 pieces.
      7. Unwinding incorporates hydraulic lifting device, 2 units.
      8. No. 1 and No. 2 unwinder both use EPC photo-cell web-guide, 2 units.
      9. After unwinding, there is a splicing platform, 2 units.
    3. Rewinding Unit
      1. Incorporates single-station winding device.
      2. Winding driven by a 5.5 kW motor, 1 unit.
      3. Drive motor is variable frequency speed regulation.
      4. Tension control by manual adjustment device, 1 unit.
      5. Rewinding shaft incorporates 3" air expansion shaft, 2 units.
      6. Automatic winding length controller can also be manually controlled.
    4. Glue Melting Tank (2 Units)
      1. Shell made of channel steel and 2 mm square steel plate welding.
      2. Glue melting tank made of aluminum alloy with three layers of structure; inner wall coated with anti-sticking coating.
      3. Cast in heater incorporated.
      4. Rubber conveying pump has high temperature resistant precision metering gear pump.
      5. Equipped with an external precision filter.
      6. Rubber conveying pump has variable-frequency gear reducer motor for variable-frequency speed regulation.
      7. Temperature controlled by PID; upper and lower layers controlled independently.
      8. Maximum temperature: 230 °C.
      9. Heating power: about 24 kW.
      10. Melting tank capacity: 250 kg.
      11. Glue melting speed: 150 kg/h (with EVA 3000 centipoise at 165 °C).
      12. Maximum glue output: 180 kg/h (with EVA 3000 centipoise at 165 °C, available).
    5. Glue Hose
      1. Material: polytetrafluoroethylene (25 mm pipe not readily available; if 25 mm size pipe can be sourced, it will be considered to facilitate glue flow).
      2. Inner diameter: 16 mm.
      3. Length: 5000 mm.
      4. Withstands voltage: 60 kg/m².
      5. Maximum temperature: 230 °C.
      6. Heating power: about 6 kW (after adhesive output increases).
    6. Coating Lamination System and Guide Rolls
      1. Coating stand made of high-temperature resistant alloy material and subject to special heat treatment to prevent deformation; coating head heated by electric heating with good arrangement of heating tubes for uniform heating and accurate temperature control, reducing thermal deformation.
      2. Applicator adjusting bracket incorporates an integral structure welded and processed from profiles and steel plates; main body is rigid.
      3. Coating roller: 320 mm steel roller chrome plated, equipped with a rotary joint, 1 set.
      4. Cooling composite roller: 400 mm steel roller chrome plated, equipped with a rotary joint, 1 set (bigger cooling cylinder possible; usually equipped with 600 mm or 800 mm if needed; after coating on substrate, only needs cooling before winding).
      5. Compound pressing roller: silicone rubber roller, 1 unit.
      6. Guide roller: 120 mm aluminum surface anodized.
    7. Drive Unit
      1. Coating roller motor: 2.2 kW, 1 unit.
      2. Compound roll motor: 7.5 kW, 1 unit.
      3. Glue conveying pump motor: 2.2 kW, 2 units.
      4. Winding motor: 7.5 kW, 1 unit.
      5. Rubber box incorporates gear reducer motor with chain coupling.
      6. Main machine incorporates a synchronous belt with chain and gear hybrid transmission.
    8. Pneumatic Control Unit
      1. Coating head cylinder: 100 mm x 125, 2 pieces.
      2. Composite roller cylinder: 100 mm x 100, 2 pieces.
      3. Other pneumatic components: pressure regulating valve, manual valve, etc.
    9. Electric Control Unit
      1. Coating converter: 2.2 kW, 1 piece.
      2. Other electric control components as per standard configuration.