What is a Chipper Knife, Key Characteristics
Chipper Knife Definition A chipper knife is a specialized cutting tool made of high‑quality steel, designed for cutting, shredding, and chopping materials into smaller parts or fractions. These knives operate under heavy mechanical and impact loads, which is why they must deliver exceptional wear resistance, hardness, and deformation stability.
Main Characteristics of Chipper Knives
- Material: high‑carbon steel, tool steel, carbide inserts for enhanced durability
- Hardness: typically 50–63 HRC, ensuring long service life and cutting efficiency
- Sharpening Angle: depends on the processed material (wood, plastic, rubber, textiles, metal, bio‑waste)
- Dimensions: width, length, thickness, and number of mounting holes customized for each machine
- Mounting Type: bolted or wedge‑type, ensuring secure fixation in the cutting mechanism
- Surface Treatment: heat treatment, grinding, and sometimes anti‑corrosion coating
Types of Industrial Knives: Features and Applications
- Chipper Knives — used in woodworking to process branches, panels, slabs, firewood, and sawmill waste into chips. Installed in chippers and cutting machines, made of alloy steel with high wear resistance.
- Crusher Knives — applied in crushers for recycling plastics, rubber, cables, PET bottles. Available in rotary (moving) and static (fixed) versions, with straight or toothed cutting edges.
- Agglomerator Knives — used in polymer waste agglomeration equipment. Distinguished by high heat resistance, precise geometry, and long service life.
- Guillotine Knives — for cutting sheet materials such as paper, cardboard, textiles, and metal. Manufactured straight, with single‑ or double‑sided sharpening. Stability and edge balance are crucial.
- Granulator Knives — operate with counter‑knives to shred plastic or rubber into fine fractions. Made of ultra‑strong steel, resistant to impact loads, often coated with hard alloys.
- Peeling Knives — for removing wood layers from veneer or logs. Require ultra‑precise grinding and heat treatment for smooth, high‑speed cutting.
- Shredder Knives — versatile tools for processing soft and hard materials in shredders, mills, and crushers. Provide fast, efficient shredding with replaceable designs for easy servicing.
- Planer Knives — used in woodworking for planing operations. Feature perfectly sharpened edges, high hardness, and stable geometry across the entire length.
Leniv Chipper & Crusher Knives: Key Advantages Leniv is one of Ukraine’s leading manufacturers of woodworking tools. With a modern production base, the company works exclusively with certified steels and ensures a full production cycle — from blank cutting to heat treatment, grinding, sharpening, and final quality control.
Leniv provides a tailored approach to each order, manufacturing knives according to specific equipment, operations, and materials. The company also operates a service center offering sharpening, geometry restoration, and tool repair. This guarantees not only the quality of new products but also their long‑term performance throughout the entire service life.
Buying chipper knives directly from Leniv is the most cost‑effective solution: competitive with imported brands, while offering the best balance of price, reliability, and technical support.