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Industrial Garden Paper Cardboard Shredder Machine Blades
Industrial Garden Paper Cardboard Shredder Machine Blades is one of the important parts of the shredder. The quality and correct installation of the blade largely determine the use effect and life of the shredder. Generally, the spiral mounting method is adopted, and the spacer sleeve is separated in the middle. The thickness of the blade should be 0.2 to 0.3 thick to prevent the blade from colliding during operation and choose a reasonable thickness and number of teeth according to the size of the product.
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The blade of the industrial garden cardboard shredder is its core component, which has a crucial impact on the performance, efficiency, and service life of the shredder. The blade is generally installed in a spiral manner, tightly fixed on the shaft by rotation, and the spacer is designed to be separated in the middle to ensure the stability of the blade during rotation, reducing collisions and friction. The thickness of the blade is usually selected between 0.2 and 0.3 millimeters to ensure sufficient cutting force and avoid the blade being too thin and vulnerable. Meanwhile, the number of teeth on the blade should also be reasonably determined based on specific shredding requirements and cardboard types. In short, the quality, installation method, thickness, and number of teeth of the blade are key factors in ensuring the normal operation and extending the service life of the shredder.
Blade Material Selection
Blade material is selected based on the specific material being shredded:
Plastic recycling: 42CrMo, W5SiCr, SKD-11 — high wear resistance for films, bottles, and rigid plastics.
Metal shredding: 6CrW2Si, Cr12MoV, LD, H13 — H13 hot-work tool steel performs reliably at elevated temperatures with minimal deformation, making it ideal for processing light scrap and metal waste.
Wood and cardboard: 5WsiCr, 6CrW2Si, SKH, SKD-11, D2 — balanced hardness and toughness to handle fiberous and abrasive materials without chipping.
All blades are vacuum heat treated to HRC 55–57.
Commonly used twin-shaft shredder blades. The inner hole is generally an inner hexagon, and the outer circumference commonly has three claws, six claws, eight claws, and twelve claws. The number of jaws, the clearance and the distance from the blade to the spacer determine the size of the shredded material. Generally, the shredder blades are available in diameters from 200mm to 500mm and thicknesses from 20mm to 55mm. They can also be customized according to customer needs.
Related Equipment:
Tire Recycling Plant
Tire Shredder Machine
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