RP Rotary Dies by Bernal

Why choose Bernal Rotary Pressure Dies?

RP Dies: Advanced Cutting Technology for the Folding Carton Industry

RP dies are transforming the folding carton industry by delivering exceptional durability and precision cutting performance. Unlike conventional rotary dies, this technology uses innovative shearing blades that significantly extend tool life while maintaining outstanding cut quality.

A More Efficient Cutting System

This innovative die design replaces traditional crushing blades with precision shearing blades on both the upper and lower dies.

By using a shearing action rather than compression, the cutting edge maintains near-new precision throughout the entire lifespan of the die. This ensures consistent cutting performance and reliable production quality over time.

To meet the specific requirements of different production environments, RP dies can be manufactured with:

  • A variety of high-performance steel alloys
  • Different heat treatment and hardening processes
  • Custom configurations tailored to specific applications
This flexibility allows manufacturers to achieve one of the lowest cost-per-thousand solutions for most folding carton production volumes.

KEY BENEFITS

Durability & Performance
RP dies are built with robust construction to ensure long-lasting use and consistent, high-quality cutting results, even in demanding production environments.

Cost Efficiency & Reliability

  • Extended tool lifespan
  • Lower overall production costs
  • Reduced maintenance requirements
  • Reliable long-term production efficiency

Easy Maintenance & Minimal Downtime
If a blade becomes damaged, repairs can often be carried out directly on-site by your technical team or a dedicated repair service. This helps minimize downtime and keeps your production running smoothly.

Crossover Technology
Our Crossover Technology positions all upper cutting edges on a single side of the die, enabling tighter proximity between upper and lower edges. This is achieved through side position adjustments for blades around the die and rotational adjustments for blades across it. This innovative design empowers operators to easily adjust both die life and cut quality.
Enhanced Cut Cleanliness
By eliminating traditional crush cutting and utilizing a “shear” method with no metal-to-metal contact, RP Dies deliver consistently clean cuts, significantly reducing chaff, slivers, and ragged edges. Simple side and rotational adjustments help maintain cut quality over a substantial portion of the die’s life cycle, avoiding the gradual decline seen with crush cuts.
Materials & Products
RP Rotary Dies cut with no metal-to-metal contact, extending die lifespan through a precision bursting technique. This method is ideal for high-density and abrasive materials and enables quick die module changeovers. The hallmark of RP Dies lies in their durability, uptime, and productivity, yielding the lowest cost per thousand and maximizing line capacity.

RP Rotary Die Specifications

Revolutions before sharpening
500 M
Die diameter range
30 "
Web widths from
1 "
Multiple resharpening capabilities
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