Slitting machines is a widely used processing equipment, can cut a variety of materials, from extremely thin to thick. Widely used in packaging, electronics, new energy, building materials, medical treatment and other industries. The main material types and specific application scenarios that can be cut by a cutter are as follows:
1.Flexible Film Materials
Plastic film
Commonly used materials: BOPP (biaxially oriented polypropylene), PET (polyethylene terephthalate), PE (polyethylene), CPP (cast polypropylene), PVC (polyvinyl chloride), nylon (PA), EVA (ethylene-vinyl acetate copolymer), etc.
Uses: Food packaging bags, beverage labels, tape backing, plastic packaging, shrinkage film, etc..
Cutting characteristics: High precision (≤±0.1mm tolerance) is required to avoid edge burrs that could affect sealing.
Optical films
Commonly used materials: polarizer, brightness enhancement films, diffuser films, reflector, quantum dot, etc.
Purpose: Display components for mobile phones, TVs and tablets.
Cutting characteristics: Very low tolerances (≤±0.05mm) are required to prevent cutting damage that could affect optical properties. Battery chips
Commonly used materials: Lithium-ion Battery Separators (PE/PP), Copper Foil, Aluminum Foil, Proton Exchange Membrane (PEM).
Uses: Power Batteries, Consumer Electronics Batteries, fuel cell.
Cutting characteristics: cutting temperature must be controlled to avoid material deformation or short circuit.
Other feature films
Commonly used materials: Waterproof and Breathable Films, Electromagnetic Shielding Films, Solar Backsheet Films (TPT/TPE), Release Films, etc.
Uses: Outdoor equipment, electronic equipment dust, Photovoltaic Panels, tape production.
Cutting characteristics: Adjust cutting parameters (such as tension and speed) according to material properties.
ii. Paper and Cardboard Materials
Printing paper
Common Materials: Coated Paper, Matte Paper, Newsprint, Offset Paper, Cardboard, etc.
Uses: Books, magazines, Leaflets and Box Liners.
Cutting performance: The paper must be kept flat to avoid decolletage or waxing.
Industrial paper
Commonly used materials: Kraft Paper, Corrugated Paper, Airless Paper, Impregnated Paper. Uses: Cardboard, gasket material, electronic component packaging, industrial filter paper.
Cutting performance: Thick paper requires high cutting force to prevent blade from jamming.
III. Metal Foil Materials
Light Metal Foil
Common materials: Aluminum foil, copper foil, nickel foil, titanium foil, etc.
Uses: Food packaging (aluminum foil), battery electrodes (copper foil/aluminum foil), electronic shielding materials.
Cutting Characteristicss: Anti-oxidation treatment is required and cut edges must be smooth to prevent short circuits.
Alloy Foil
Common materials: Stainless steel foil, nickel-chromium, etc.
Uses: High-temperature sealing, corrosion resistant element, precision electronic element.
Cutting characteristics: high blade hardness is required, cutting temperature must be controlled to prevent material hardening.
IV. INTRODUCTION Non-woven Fabrics and Textile Materials
Medical Non-woven Fabrics
Commonly used materials: SMS non-woven cloth, water spurs non-woven cloth, meltblown fabric, etc.
Uses: Mask, scrubs, disinfectant wipes, bandages.
Cutting characteristics: To prevent the fiber from falling off, electrostatic treatment is required. Industrial Nonwovens
Common materials: Needle-punched Nonwovens, filter felt, Geotextiles, etc..
Uses: Air filtration, liquid filtration, civil engineering reinforcement.
Cutting characteristics: thick material must be layered to prevent adhesion.
Fabrics
Commonly used materials: cotton, synthetic fiber, stretch fabric, leather, etc.
Purpose: Garment cutting, footwear, luggage, car decoration.
Cutting characteristics: Tension must be adjusted according to elasticity to avoid deformation.
V. Composite Materials and Multilayer Structural Materials
Laminated Materials
Commonly used materials: Aluminum-plastic composite film (AL/PE), paper plastic composite bag, plastic composite film, etc.
Uses: food packaging, chemical packaging, building materials waterproof film.
Cutting Characteristicss: Multiple layers must be cut simultaneously to prevent layering.
Coated Materials
Commonly used materials: Silicone-coated release paper, adhesive-coated film, coated metal foil, etc.
Uses: Tape production, electronic label, optical film protection layer.
Cutting Features: Avoid sticking to the cutter and keep the cutting surface clean. VI. INTRODUCTION Special materials
Rubber and elastomers
Commonly used materials: natural rubber, silicone, nitrile rubber, fluororubber, etc.
Uses: Sealing strips, conveyor belt, shock absorbers, medical catheter.
Cutting Characteristicss: Low temperature or ultrasonic cutting is required to prevent material from sticking.
Foam Materials
Common materials: Polyethylene foam (EPE), polyurethane foam (PU), EVA foam, etc.
Purpose: Packaging cushioning, noise insulation, movement protection.
Cutting amount: Cutting amount should be controlled to avoid collapse of foam structure.
Ceramic and Glass Films
Commonly used materials: Flexible glass (such as Corning Willow Glass), ceramic coating films, etc.
Purpose: Foldable displays, flexible electronic equipment.
Cutting characteristics: Laser or water jet cutting is required to prevent brittle fracture.
VII. Choosing Cutters
Material Thickness:
Thin film (≤0.5mm): Circular knife slitting machines or laser slitting machines preferred. Thick material (>0.5mm): use guillotine or ultrasonic slitter.
Cutting accuracy:
High-end electronics and optics: High-precision models with laser positioning or servo control are required (accuracy ≤ ±0.05mm).
General package: Conventional circular knife slitter can meet your needs (accuracy ≤ ±0.2mm).
Production Efficiency:
Large-scale production: Select high-speed shearing machine withspeed ≥300m/min and automatic rewinding.
For small batches and multiple products: Choose a multifunctional model that support rapid changeover and debugging.
Material Characteristics:
Fusible materials (e.g. PE): Low temperature or ultrasonic cutting is required.
Adhesive materials (such as tape): Non-stick coated tools or laser cutting are required.
Fragile materials (such as ceramic film): Laser or water jet cutting is required.
Abstract: Slitter machines has a wide range of material adaptability, from micron film to millimeter metal foils and other materials. When choosing a tool, the factors such as material thickness, hardness, surface treatment requirements and production scale should be taken into account in order to achieve efficient and precise cutting. With the emergence of new materials,such as flexible glass and graphene, sectioning techniques are also evolving. Contactless cutting methods such as laser and ultrasonic cutting are becoming a new trend in high-end manufacturing.
