MAIER Board Breaker - MBB


  • Panel boards (PB, MDF, OSB)


The MAIER Board Breaker MBB is an effective inline solution for crushing reject boards.

The boards are horizontally fed to the machine. The infeed system guides the reject boards to the crushing rotor. The rotor is equipped with cams positioned in alternating offset rows to reduce the boards at the counter knife. The crushed material is discharged downwards to the following conveyor.

Customer benefits

  • Reliable crushing of reject panel boards of variable size and thickness
  • Robust, long-term reliable
  • Low operation costs due to simplified maintenance
  • Essential parts of machine are wear-protected and exchangeable
  • Energy-efficient board crushing

Technical features

  • Reliable forced material feeding via hydraulically movable swiveling infeed roller with integrated toothed segments
  • Toothed segments of upper infeed roller and lower guide rollers are divided for easy exchange
  • Robust welded casing with heavy-duty spherical roller bearings
  • Wear-resistant reusable crushing tools evenly screwed at the rotor circumference; easy exchangeable
  • Individually perforated refractioning grid; multiple segments for easy exchange