Knife Lower Cylinder Web Support Rings

Saber Excel Cutoff Knife Front

Upgrade Applications

Applicable to Model I, II, and III knives.

Upgrade Description

Web support rings attached to the lower cut-off cylinder aid in supporting lightweight board as it travels through the knife. For best results, use in conjunction with Infeed Web Support Pan and Outfeed Web Support Pan upgrades.

Upgrade Benefits

• Reduced frequency of board jams
• Increased runability of lightweight boards

Installation Description

  • Measure up for placement of rings
  • Tack weld tabs to cylinder
  • Fasten rings to tabs

As the difficulty range is rated as simple, installation can be performed by customer’s plant personnel. A mechanic with welding skills is required.

Technical Service


The BW Papersystems Service Department is a highly dedicated team of people committed to giving the best customer support in the industry. Trained technicians are available for emergency service, machine updates and maintenance.

Technicians are available throughout the world for fast response and quality service. Learn more about how our service technicians can help you.

Click here for Technical Service

Service Technician
A sheeter that we had planned especially for our lightweight specialty papers has become an all-round smart sheeter that can process even heavy grammages up to 300 gsm with maximum cutting accuracy.
Dr. Matthias Rauhut, CEO, DREWSEN SPEZIALPAPIERE, Lachendorf, Germany