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DWH Single Facer (From Langston Technology)



Features
  • Manufactured under license using LANGSTON (USA technology)
  • Quick-roll-change cartridge device, enhances stability and reduces roll change time
  • Pneumatic self-closed steam joint connecting and hydraulic locking for cartridge. 
  • Vibration is reduced due to lower-located corrugating roll, which improves running stability.
  • Positive pressure fingerless design, reducing heating loss and simplifying maintenance.
  • Big diameters rolls ensure formation strength at high speed, improving machine stability and extending the roll life.
  • Big diameter corrugating rolls (with diameters of Φ478/Φ478) ensure perfect flute formation at high speed, made of high strength chrome molybdenum alloy steel, and induction hardened with hardness up to HRC55~60.
  • The temperature of corrugating rolls, pressure roll and pre-heating rolls for both liner and medium is detected by thermocouple with indication.
  • Automatic speed-related spraying volume can be adjusted by proportional valve to accommodate different temperature and moisture content.
  • Advanced precision linear actuator with built in feedback for most accurate gap placement.
  • Retractable glue unit eases machine maintenance and prolongs it life.
  • Self-circulating glue supplying system with automatic glue level control by level switch. Motorized glue dam adjustment for different web widths.
  • Automatic speed-related glue quantity adjustment with digital display. Manual fine adjustment is also available.
  • Automatic web break detection function.
  • Tungsten Carbide coated corrugating rolls.

Technical Data

  • Size: 2000, 2200, 2500, 2800 (mm)
  • Roll Chang Time: 10~15min
  • Design Speed: 380m/min