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NovaStar, SR285, Slitting Width 30 to 1800mm, Speed 400 m/min, 31kW (New)

NovaStar, SR285, Slitting Width 30 to 1800mm, Speed 400 m/min, 31kW

Description

  1. Overview
    1. This slitting machine is suitable for processing reel-shaped plastic films, laminated films, paper, and similar materials.
    2. Ideal for slitting PE, PP, PET, PVC and other plastic films, paper, composite films, aluminum films, and color films.
    3. Designed for film secondary processing and color printing and packaging enterprises.
    4. Watch the video on YouTube here.
  2. Main Technical Parameters
    1. Speed: 0 to 400 meters per minute.
    2. Slitting width: 30 to 1800 mm.
    3. Unwinding diameter: maximum Ø1400 mm.
    4. Winding diameter: Ø1000 mm.
    5. Machine weight: 5000 kg.
    6. Total motor power: 31 kW.
    7. Dimensions: W 3500 × L 3500 × H 1900 (mm).
    8. Retractable paper core: 3" (diameter Φ76 mm diameter Φ92 mm).
    9. Correction accuracy: ≤ 0.30 mm.
    10. Tension setting range: 2 ~ 30 kg.
    11. Winding motor power: 11 kW x 2.
    12. Traction motor: 11 kW.
    13. Machine color: standard white (or as required).
  3. Description and Features
    1. Controlled by PLC (three vector motors) with man-machine interface touch screen centralized operation.
    2. Unwinding incorporates magnetic powder brake, with roll diameter calculated automatically by the PLC for automatic tension control.
    3. Traction control by a vector variable frequency motor drive achieves constant linear velocity control.
    4. Closing reel rewinding uses air shaft by two independent vector variable frequency motor drives, with winding tension control based on winding diameter, cut thickness, and tension settings, executed via PLC output control signals.
    5. Closing reel roller incorporates pneumatic lifting devices with pressure regulator control via size.
    6. Unwinding loading and unloading uses air shaft with reel pneumatic lifting for easy and efficient operation.
    7. Unwinding EPC error correction device assures accuracy.
    8. Uses round blade or razor knife cutting device for tidy ends.
    9. Timing belt and synchronous wheel for transmission mode, with pneumatic locking.
    10. Chain guide rollers: static balanced aluminum alloy guide roll with surface hardening treatment.
    11. System has started buffering, parking lock, meter length, speed, and roll diameter calculation functions.
    12. System has improved mechanical, electrical and pneumatic design with comprehensive safety precautions.
  4. Description of Main Parts
    1. Unwinding Unit
      1. Structure: Independent unwinding frame with shaft cylinder type and automatic tension control.
      2. Specifications: Roll width range 100 to 1850 mm; unwinding diameter (max) Φ1400 mm; unwinding pneumatic brake 720 N.M.
      3. Features: Shaft cylinder type; tension controlled by automatic calculation of winding diameter by PLC for precise tension control.
    2. Traction Drive
      1. Structure: AC vector inverter drive; synchronous belt drive; active traction rollers with steel roll structure; rotors made of high-grade bearings; double roll on roll combined with soft steel; roller clutch and pressure regulating completed by pneumatic components.
      2. Specifications: Drive roller diameter Φ150 mm; cots Φ120 mm; drive roller length 1850 mm; roller balancing accuracy ≤ 5g; traction motor power 11 kW.
      3. Features: Traction device blocks unwinding and winding tension so changes do not affect each other; balanced rollers ensure no vibration; imported bearings allow smooth high-speed rotation and reduce noise; synchronous belts ensure accurate transmission and reduce noise; servo motor drive provides stable tension and high transmission accuracy.
    3. Slitting
      1. Uses pneumatic type blade.
      2. Edge material is blown to the waste bin for collection by the exhaust fan in the slitting part.
    4. Rewinding Unit
      1. Structure: Key strip type air expansion shaft up and down winding; automatic tension control; rewinding shaft snap lock for easy unloading; motor active winding.
      2. Specifications: Rewinding diameter Φ1000 mm; winding motor power 11 kW x 2 independent drive.
      3. Features: Air expansion shaft adapts to a wide range of materials and keeps substrate tension stable when winding ink printing and uneven thickness materials; tension automatically calculated by PLC via electric proportional valve for precise control; motor active winding enables wide tension control range with no residual torque; asynchronous servo motor provides high transmission accuracy and soft output.
    5. Rewinding Roller
      1. Structure: Swing arm turret; clutch pressure pneumatic actuators.
      2. Specifications: Roller diameter Φ100 mm; length 1850 mm roller surfaces.
      3. Features: Pressure changes with diameter, conducive to neat winding; suitable for substrates with uneven thickness.
    6. Tripper
      1. Tripper mechanical unloading moves up and down.
      2. Docking and unloading lower shaft axis; moving down from the arm can be moved to the floor or finished roll carts.
    7. Frame Portion
      1. Steel plate with thickness of 40 mm (with chassis).
      2. Processed and formed by 45-thick steel plate for effective shock absorption.
    8. Pneumatic Hydraulic System
      1. Incorporates pneumatic and hydraulic actuators with centralized operation by the panel.
      2. Executed by solenoid valve, providing high automation and reducing labor intensity.
    9. Electrical Control System
      1. Uses man-machine interface and PLC centralized control with advanced technology.
      2. Man-machine interface displays and sets host speed, rewind length, unwind and rewind tension, and taper settings.
  5. Main Accessories List
    1. Supplied accessories: 1 set of hexagon wrench.
    2. Open-end wrench 22 x 24 (1 piece).
    3. Phillips screwdriver (1 piece).
    4. Flat-blade screwdriver (1 piece).
    5. Oil gun (1 piece).
    6. With edge guide.
  6. Condition
    1. Machine is in working condition.
  7. Included
    1. Machine as described with all standard accessories.
    1. Available for inspection upon request.