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NovaStar, NN541 Cross-Web Perforating Unit, 1800mm Working Width, 120 m/min, 5.5 kW (New)

NovaStar, NN541 Cross-Web Perforating Unit, 1800mm Working Width, 120 m/min, 5.5 kW

Description

  1. Overview
    1. Cross-web perforating unit for polypropylene nonwoven fabric, creating tear-off perforation lines across the web.
    2. New machine, built to order.
    3. Stand-alone unit with its own drive and electrical control cabinet, installed inline and synchronized with the customer's existing line.
  2. Specifications
    1. Brand: NovaStar.
    2. Model: NN541.
    3. Condition: new.
    4. Application material: PP nonwoven fabric.
    5. Maximum working width: 1800 mm (70.9 inches).
    6. Material width: up to 1626 mm (64 inches).
    7. Material thickness: approximately 3 mm (0.1 in).
    8. Maximum mechanical speed: 120 m/min.
    9. Recommended production speed: 0 to 40 m/min, depending on material properties and tear performance.
    10. Adjustable perforation pitch (sheet length): 152 to 610 mm (6 to 24 inches).
    11. Perforation pattern: 10:2 (10 mm cut, 2 mm uncut bridge).
    12. Maximum blade assembly quantity: 2 sets.
    13. Upper knife shaft diameter: 175 mm (6.9 in).
    14. Drive system: independent motor drive.
    15. Main motor power: 5.5 kW (7.4 hp).
    16. Transmission system: mechanical transmission.
    17. Lubrication system: oil-impregnated felt lubrication, manual maintenance.
    18. Control system: independent electrical control cabinet with separate HMI.
    19. Synchronization method: independent encoder feedback for synchronization with upstream equipment.
    20. Speed reference interface: compatible with an external speed signal (optional).
    21. Guide rollers: one aluminum guide roller at infeed and one aluminum guide roller at outfeed.
  3. Dimensions and Floor Space
    1. Overall length, including the drive housing: 2561 mm (100.8 inches).
    2. Main frame length: 2300 mm (90.6 inches).
    3. Roller length between the side frames: 1900 mm (74.8 inches), for the 1800 mm (70.9 in) working width.
    4. Depth, front to back: 900 mm (35.4 inches).
    5. Height: 950 mm (37.4 inches).
    6. Floor space required for the unit itself: approximately 2.6 m (8.5 ft) x 0.9 m (8 ft 5 in x 3 ft), plus working clearance on the operator side and at the infeed and outfeed for threading the web.
    7. Dimensions are taken from the general assembly drawing (Diagram 1) and will be confirmed on the final drawings with the order.
  4. Photos and Diagrams
    4. Photo 1. Perforating unit, overall view with the knife bar and pneumatic blade-pressure cylinders.
    5. Photo 2. Drive side with the independent electrical control cabinet.
    6. Photo 3. Web path over the guide rollers and knife shaft.
    7. Photo 4. Nonwoven web threaded through the unit at the infeed guide roller.
    8. Photo 5. Perforating blade holder with segmented blade clamps, close-up.
    9. Diagram 1. General assembly drawing, plan, elevations and isometric (dimensions in mm).
    10. Diagram 2. Perforation pattern: 10 mm (0.4 in) cut and 2 mm (0.1 in) bridge, sheet length 152 to 610 mm (6.0 to 24.0 in) adjustable.