NovaStar, DG399, Spunbonded Nonwoven Fabric Calender, Three-Roll, 550x3700mm, 350 m/min (New)

Description

  1. Overview
    1. Calender type: vertical type three roller calender
    2. Specification: Φ550mm × 3700mm
    3. Roll material: 48crmo
    4. Roll pattern can be designed per customer demand (pattern carved by German laser machine)
    5. Oil heated
    6. Product specification: 10g/m²-200g/m²
  2. Specifications
    1. Maximum mechanical speed: 350 m/min
    2. Highest temperature: 200°C
    3. Axial runout ≤ 0.03mm
    4. Maximum line pressure: 150 kg/cm
    5. Engraved roll and smooth roll hardness: HRC58-62
    6. Rolls are forged normalizing, quenched and tempered; rollers go through intermediate frequency quenching, tempering to the required hardness
    7. Thermal deformation of roll ≤ 0.02mm (roller heating to normal temperature)
    8. Roll roundness and straightness accuracy (room temperature) ≤ 0.05mm
    9. Roller bearing (from Japan), shaft diameter: Ø240mm
    10. Bearing oil cooling system with temperature alarm
    11. One roller with one motor drive (Siemens-XBE)
    12. Electronically adjustable angle for roller position (0 to 30mm)
    13. With (16) roller rotary joints (KDNT from America)
    14. Machine sealed with PTFE asbestos packing
    15. Roller temperature difference: ± 1°C
    16. Returning oil temperature difference < 0.5°C
    17. Circumference drilling Ø35mm, hole number 21, hole straightness (including docking error ≤ 0.5mm)
    18. Speed stability, precision error below 0.5%
    19. Each roller is driven by one motor independently, with three motors (each 37kW AC variable frequency)
    20. Center height of rolls: 1500mm
  3. Included
    1. With (1) set of hydraulic station
    2. With (1) set bearing lubrication and cooling system
    3. With (1) set of instruments (installed at cloth exit)
    4. Hydraulic station voltage is 220V