Knife Shafts
Pneumatically operated knife shafts for circular knife mounting
42CrMo4
Body material
6-10 bar
Operating pressure
0.1-5 s
Opening/closing time
Product Range
Pneumatic Knife Shafts
Knife shaft for pneumatic mounting and removal of circular knives. 42CrMo4 body with hard chrome coating.
Body: 42CrMo4
Coating: Hard chrome 40-50 μm
Knife grooves: Ni-coating 10-15 μm
Operating pressure: 6-10 bar
Opening/closing 0.1-5 seconds
Manual and automatic operation
Radial eccentricity ±10 μm
Bearing surfaces with h7 tolerance
Technical Design
Pneumatic knife shaft is designed for mounting and removal of circular knives in paper, cardboard and film industries.
Operating Principle
- • Pneumatic cylinder construction
- • Radial knife mounting
- • Automatic centering
- • Blow air connection
Technical specifications
Applications
Circular knife cutters
Paper machines
Cardboard cutters
Film cutting machines
Slitters
Rewinder machines
Technical Features
Hardness
Hard chrome coating 850-1000 HV0.1
Tolerances
Bearing surfaces h7, knife grooves +0/-0.02 mm
Surface roughness
Ra 0.4-0.8 μm after processing
Compatibility
We supply knife shafts for machines from manufacturers including:
ANDRITZ
VALMET
VOITH
METSO
BELOIT
JAGENBERG
KAMPF
PASABAN