High-Performance Parent Roll Handling Cranes: Ensuring Safe and Precise Paper Roll Transport and Maintenance

The parent roll handling crane in the paper industry provides high reliability during the transportation of the dry and wet ends of the paper machine, and is always ready for any maintenance work that needs to be performed. In addition, the winder crane can gently, accurately, and efficiently access and store paper rolls. To meet these diverse needs and ensure a reliable production process in paper mills and warehouses, specialized solutions have been developed.

Parent roll handling crane features

  • Reliable Lifting: Provides efficient operation and maintenance solutions for paper machines and roll cutters (dry and wet ends).
  • Safe Handling: Safely and reliably handles full paper rolls.
  • Core Roll Retrieval: Returns empty paper rolls to the roll storage area.
  • Precise Roll Handling: Precisely installs and removes machine rollers.
  • High Flexibility: Additional compact jib cranes and low proximity dimensions improve the flexibility of maintenance tasks.
  • Increased Efficiency: Adjusts lifting speed according to load.
  • Enhanced Safety: Semi-automated operation sequences and target positioning improve safety.
  • Automated Paper Roll Storage: Achieves fully automated operations, raising safety standards.

Parent roll handling crane design and configuration

  • Paper roll cranes are generally divided into two types: dual-hoist cranes and triple-hoist cranes. Dual-hoist cranes are typically used for daily paper roll lifting tasks, while triple-hoist cranes are mainly used for paper machine maintenance and auxiliary paper roll handling.
  • The lifting and running mechanisms typically use variable frequency speed control, with fast and slow dual-speed or multi-gear speed configurations.
  • Paper roll cranes generally use hoisting mechanisms in the form of winches, though many also use electric hoists.
  • H-grade, IP55 motors are used, and if variable frequency motors are used, they should be equipped with independent cooling fans.
  • A sump is installed under the gearbox to prevent oil leakage or seepage from components such as the gearbox.

FAQ

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