Summary

Pneumatic Knife Holders

Double E Group is the exclusive supplier of Mario Cotta knife holders in North America. The company offers a variety of knife holders for shear, crush, and razor slitting applications. Double E Group engineers will happy to assist in recommending the proper knife holder to suit any material, speed, or tension requirements.

Product Information

"Gold" Series Pneumatic Knife Holders

Type 2

“Gold” and “Platinum” knife holders share many features including:
Easy upgrade – direct replacement for common holders
Removable and reversible blade cartridge allows cutting on both sides of the anvil with the same cartridge. Switch to new cartridge in seconds
Precise setup control knob uses three simple settings for error-free setup
Dual rod construction ensures rigidity to reduce vibration and improve cut quality
Calibrated depth knob adjusts vertical stroke after sharpening of blades – just dial in the diameter
Blade guard for safety
Quick cant angle adjustment without tools
“Gold” – Ideal for speeds up to 5,000 fpm and web material thickness up to 700 gsm

"Platinum" Series Pneumatic Knife Holders

Type 3

All of the same features listed for "Gold" Series knife holders above
“Platinum” – Ideal for speeds up to 9,000 fpm and web material thickness up to 2500 gsm

"Tiny" Series Pneumatic Knife Holders

Type 1

Ideal for shear cutting of lightweight web material (film, lightweight paper, tissue, etc.)
Narrow slit widths down to one inch
Perfect retrofit for outdated shaft-on-shaft shear cut systems
Speeds up to 2000 fpm

“PPS” Series Shear Cut and Crush Cut Knife Holders

Lower cost alternative for basic slitting applications
Ideal for high speeds (up to 8000 fpm) and heavyweight materials
Solid body construction minimizes vibration and yields exceptional cut quality
Calibrated depth knob adjusts stroke after sharpening blades – just dial in the diameter

“Rocky” Crush Cut Knife Holders

Crush cut force of 135 lbs. with narrow slit width capability (slits down to one inch)
Solid body, rigid construction to minimize vibration and improve cut quality
Optional safety shroud
Easy adjustment

“Lisa” Score and Razor Cut Knife Holders

Narrow slit widths – down to just over a half inch
Replaceable cartridge allows holder body to stay in place – no repositioning after quick blade change
Hot cut knife holders also available (perfect for slitting nonwovens) - hot blade cuts and seals the edge