Ravne quality 828
Standard
- Relative lifetime
- 1
Industrial Knives for Paper
SIKNIVES for Paper and Cardboard Industry
Industrial knives and knife holders for paper, cardboard, packaging and foil cutting
SIKNIVES for Paper and Cardboard Industry from SIJ Ravne Systems are industrial knives and related parts for paper, cardboard, corrugated cardboard, packaging and foil processing, made from inlay or solid materials.
Manufactured bySIJ Ravne Systems
5 grades828 · 834 · HSS · PM · HM
>10×Relative lifetime, HM vs. standard
Inlay / solidKnife construction
ISO 9001Quality management
Overview
Knives for paper, cardboard, packaging and foil
SIKNIVES for Paper and Cardboard Industry are industrial knives and related replacement parts for paper, cardboard, corrugated cardboard, packaging and foil processing. The line includes knives for pulp, paper, cardboard and paper-processing materials, together with knife holders and other cutting tools.
For packaging and foil, SIJ Ravne Systems supplies knives for cutting and perforating foils and similar materials, including straight and circular knives with or without teeth.
The knives are made from high-quality materials to strict quality standards for accurate tolerances, and SIJ Ravne Systems supports customers in optimizing the cutting process.
Material Grades
Five grades by relative lifetime
Ravne quality 834
12% Cr steel
- Relative lifetime
- 2
Ravne quality HSS
HSS
- Relative lifetime
- >3
Ravne quality PM
Powder metallurgy steel
- Relative lifetime
- 4–6
Ravne quality HM
Tungsten carbide
- Relative lifetime
- >10
Product Range
Knives by application area
Paper, cardboard and corrugated cardboard
- Sheeter, slitter and cut-off knives.
- Serrated and cross-cutting knives.
- Knife holders.
- Knives for corrugated board and paper converting lines.
Packaging and foil
- Straight and circular knives for packaging materials.
- Cutting and trimming knives.
- Foil cutting and perforating knives, with or without teeth.
- Non-perforating knives.
Machine references
Knives for machines such as Agnati, BHS, Beloit Lenox, Bielomatik, E.C.H. Will, Fosber, Jagenberg, Milltex, Mitsubishi, Pasaban and Peters.
Other related knives
Ice scrapers and ice planing knives (Destarol, Dupon / Okay, Eisbär, Olympia, Zamboni / Rolba) and knives for the food industry.
Applications
Where SIKNIVES for paper are used
Paper production
Knives for pulp, paper and paper-processing lines.
Corrugated cardboard production
Sheeter, slitter and cut-off knives for corrugated board.
Slitting of rolls
Slitting paper, cardboard and film / foil rolls into smaller widths.
Packaging production
Cutting and trimming knives for packaging materials.
Foil cutting and perforating
Straight and circular knives with or without teeth.
Features
Knife types, materials and heat treatment
Knife types
- Sheeter, slitter, cut-off, serrated and cross-cutting knives.
- Straight and circular knives.
- Perforating and non-perforating knives, with or without teeth.
- Custom knives according to customer requirements.
Materials
- Made from high-quality raw materials.
- Available from inlay materials and solid materials.
- Grades from standard 828 to tungsten carbide HM.
Heat treatment
- Heat treatment for the required hardness and knife performance.
- Vacuum, protective atmosphere, electric and gas heated furnaces.
- Quenching and tempering, soft annealing, normalizing and case hardening.
Quality
- Produced according to strict quality standards.
- Designed for accurate tolerances and professional processing.
Benefits
Why SIKNIVES for paper
Cutting quality. Improves cutting quality and production stability.
Longer service life. SIJ Ravne Systems states service life can increase by up to 100%.
Lower cutting cost. Reduces maintenance cost, resharpening and overall cutting cost.
Less downtime. Fewer knife replacements help reduce machine downtime.
Hardness and safety. Tool steels and heat treatment balance hardness with safety against cracking.
Precise gapping. Specialized machining supports dimensional and geometrical precision.
Need support with these paper knives?
Share your machine make, knife type and dimensions, material processed and current knife grade, and our Performance Engineering team will support you with the suitable product information.
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