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
Coating
Hard chrome, 850–1000 HV0.1 hardness
Precision
Bearing surfaces h7, knife grooves ±0.02 mm
Surface finish
Ra 0.4–0.8 μm after finishing
Compatibility
We supply knife shafts for machines from manufacturers including:
ANDRITZ
VALMET
VOITH
METSO
BELOIT
JAGENBERG
KAMPF
PASABAN