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In the demanding world of industrial recycling, the material of your cutting tools defines your machine's uptime. D2 Single Shaft Shredder Blades have become the gold standard for processing tough materials like HDPE, tires, and scrap timber due to their exceptional balance of hardness and toughness.
NAME | SIZE | Material |
Single-shaft shredder size | 25x25x20/M12 | D2 |
28x28x23 M12 | ||
30x30x20 M12 | ||
30x30x25 M12 | ||
34x34x20 M12 | ||
35x35x23 M12/M14 | ||
40x40x20 M12 | ||
40x40x23 M12 | ||
40x40x25 M12/M14 | ||
40x40x28 M14 | ||
45x45x30/M16 | ||
46x46x32 M16/M18 | ||
46x46x35 M16/M18 | ||
50x50x30 M16 | ||
60x60x30 M16 | ||
60x60x35 M16/M18 | ||
70x70x42/M20 | ||
70x70x45/M20 | ||
70x70x50/M20 | ||
80x80x35/M24 | ||
80x80x45/M24 | ||
25x25x20/M12 | ||
28x28x23 M12 | ||
30x30x20 M12 | ||
30x30x25 M12 | ||
34x34x20 M12 | ||
35x35x23 M12/M14 | ||
40x40x20 M12 | ||
40x40x23 M12 |
Single-shaft shredder blades, as the core component of single-shaft shredders, are responsible for the shearing and tearing of various waste materials. They are used in the crushing and recycling of materials such as plastics, wood, rubber, cables, light metals, and paper fibers. Their performance directly determines the working efficiency and output precision of the shredder. They are typically precision-machined from high-wear-resistant alloy steel materials, balancing durability and cutting stability.
D2 and DC53 are high-hardness alloy materials widely used in single-shaft shredder blades, especially suitable for high-intensity work scenarios. Their performance characteristics and differences are as follows:
Excellent wear resistance, especially advantageous for abrasive materials. Typical hardness range is HRC 58-60. It has strong structural stability and outstanding resistance to shear friction, suitable for working conditions involving continuous friction and wear. Compared to DC53, its toughness is lower and it is relatively brittle, with weaker resistance to chipping. When processing materials containing impurities, the blade edge is more prone to chipping. Therefore, if mainly processing highly abrasive materials such as hard plastics containing fillers, and a higher risk of chipping is acceptable, D2 steel is a suitable choice.
• DC53 Alloy: High-hardness, high-toughness alloy material. Its core advantages lie in its excellent impact resistance and balanced wear resistance, making it the preferred material for heavy-duty, complex working conditions. Its toughness is excellent, approximately twice that of D2 alloy, with outstanding resistance to chipping and cracking. Even when processing mixed materials containing impurities, it can effectively avoid blade damage; it has better wear resistance and achieves a precise balance between toughness and wear resistance, with a hardness of up to HRC 62-63, higher than D2 alloy. It is suitable for heavy-duty continuous shredding operations requiring both toughness and wear resistance, such as mixed materials, PVC, rubber, tires, thick plastic sheets, and light metals.
In most working conditions, especially when processing mixed materials, materials containing potential impurities, or requiring resistance to impact loads, DC53 is the superior choice. It achieves the optimal balance of toughness, hardness, and wear resistance, effectively reducing downtime due to chipping and damage, and extending blade life. DC53, as an upgraded alternative to D2 alloy, is suitable for a wider range of heavy-duty shredding applications.
The blade is fixed to the blade holder on the rotating main shaft through a central mounting hole, forming a shearing cooperation with the stationary blade fixed to the machine body. With the torque generated by the rotation of the main shaft, it achieves efficient crushing of materials. It has strong gripping ability, high cutting efficiency, and convenient maintenance.
The shape is mainly square small blades, with mainstream sizes including 40×40mm and 60×60mm. Some applications use specifications such as 35×35×25mm and 80×80×30mm. Different sizes correspond to different operational needs:
Small-sized blades (35×35×25mm): High blade density, fine cutting, suitable for soft materials such as plastic films and woven bags. The output size can be controlled to 20-25mm, suitable for small and medium-sized precision shredding equipment.
Standard-sized blades (40×40×25mm, 60×60mm): Balancing efficiency and versatility, they can handle various materials such as solid blocks, waste cardboard boxes, plastic bottles, and rubber products. The output size is 25-40mm, suitable for most conventional power single-shaft shredders.
Large-sized blades (80×80×30mm): High strength and strong impact resistance, suitable for D2/DC53 alloy materials, capable of efficiently processing large, hard materials such as wood, tires, thick plastic sheets, and metal cans. The output size is 50mm or more, requiring matching with high-power equipment.
The central mounting hole is available in convex and flat types, adapting to different blade holder fixing requirements, ensuring that the blade remains stable and secure under high-speed rotation and shearing impact, guaranteeing operational safety and stability. Some blades feature a structure with the cutting edge recessed inward towards the central hole, optimizing the clearance with the stationary blade and improving shearing accuracy.
The blade manufacturing process is crucial for hardness, precision, and wear resistance, requiring strict control through multiple steps. The process is as follows:
1. Blanking and Forging: High-quality alloy steel blanks are selected and precisely cut before forging. This optimizes the internal grain structure of the material, improving the overall toughness and strength of the blade and preventing breakage during subsequent use.
2. Heat Treatment: Differentiated heat treatment processes are used for D2 and DC53 alloys. After quenching, the hardness of DC53 is precisely controlled at HRC 62-63, maximizing toughness and wear resistance; the D2 alloy undergoes multi-step heat treatment to stabilize the hardness at HRC 58-60, enhancing wear resistance. Internal stresses are also eliminated to balance material hardness and toughness, preventing blade chipping due to excessive brittleness.
3. Precision Machining: CNC machine tools, wire cutting, and precision grinding are used to ensure the dimensional accuracy, flatness, and sharpness of the blade edge, guaranteeing proper clearance with the blade holder and stationary blade, and improving cutting stability.
4. Quality Control: Each batch of blades undergoes a full quality inspection process, including hardness testing, dimensional accuracy inspection, and surface defect detection, to ensure product consistency and reliability, meeting the demands of industrial-grade continuous operation.
Maintenance can significantly extend the service life of the blades: regularly clean material residue from the blade surface and check for wear.
In the demanding world of industrial recycling, the material of your cutting tools defines your machine's uptime. D2 Single Shaft Shredder Blades have become the gold standard for processing tough materials like HDPE, tires, and scrap timber due to their exceptional balance of hardness and toughness.
NAME | SIZE | Material |
Single-shaft shredder size | 25x25x20/M12 | D2 |
28x28x23 M12 | ||
30x30x20 M12 | ||
30x30x25 M12 | ||
34x34x20 M12 | ||
35x35x23 M12/M14 | ||
40x40x20 M12 | ||
40x40x23 M12 | ||
40x40x25 M12/M14 | ||
40x40x28 M14 | ||
45x45x30/M16 | ||
46x46x32 M16/M18 | ||
46x46x35 M16/M18 | ||
50x50x30 M16 | ||
60x60x30 M16 | ||
60x60x35 M16/M18 | ||
70x70x42/M20 | ||
70x70x45/M20 | ||
70x70x50/M20 | ||
80x80x35/M24 | ||
80x80x45/M24 | ||
25x25x20/M12 | ||
28x28x23 M12 | ||
30x30x20 M12 | ||
30x30x25 M12 | ||
34x34x20 M12 | ||
35x35x23 M12/M14 | ||
40x40x20 M12 | ||
40x40x23 M12 |
Single-shaft shredder blades, as the core component of single-shaft shredders, are responsible for the shearing and tearing of various waste materials. They are used in the crushing and recycling of materials such as plastics, wood, rubber, cables, light metals, and paper fibers. Their performance directly determines the working efficiency and output precision of the shredder. They are typically precision-machined from high-wear-resistant alloy steel materials, balancing durability and cutting stability.
D2 and DC53 are high-hardness alloy materials widely used in single-shaft shredder blades, especially suitable for high-intensity work scenarios. Their performance characteristics and differences are as follows:
Excellent wear resistance, especially advantageous for abrasive materials. Typical hardness range is HRC 58-60. It has strong structural stability and outstanding resistance to shear friction, suitable for working conditions involving continuous friction and wear. Compared to DC53, its toughness is lower and it is relatively brittle, with weaker resistance to chipping. When processing materials containing impurities, the blade edge is more prone to chipping. Therefore, if mainly processing highly abrasive materials such as hard plastics containing fillers, and a higher risk of chipping is acceptable, D2 steel is a suitable choice.
• DC53 Alloy: High-hardness, high-toughness alloy material. Its core advantages lie in its excellent impact resistance and balanced wear resistance, making it the preferred material for heavy-duty, complex working conditions. Its toughness is excellent, approximately twice that of D2 alloy, with outstanding resistance to chipping and cracking. Even when processing mixed materials containing impurities, it can effectively avoid blade damage; it has better wear resistance and achieves a precise balance between toughness and wear resistance, with a hardness of up to HRC 62-63, higher than D2 alloy. It is suitable for heavy-duty continuous shredding operations requiring both toughness and wear resistance, such as mixed materials, PVC, rubber, tires, thick plastic sheets, and light metals.
In most working conditions, especially when processing mixed materials, materials containing potential impurities, or requiring resistance to impact loads, DC53 is the superior choice. It achieves the optimal balance of toughness, hardness, and wear resistance, effectively reducing downtime due to chipping and damage, and extending blade life. DC53, as an upgraded alternative to D2 alloy, is suitable for a wider range of heavy-duty shredding applications.
The blade is fixed to the blade holder on the rotating main shaft through a central mounting hole, forming a shearing cooperation with the stationary blade fixed to the machine body. With the torque generated by the rotation of the main shaft, it achieves efficient crushing of materials. It has strong gripping ability, high cutting efficiency, and convenient maintenance.
The shape is mainly square small blades, with mainstream sizes including 40×40mm and 60×60mm. Some applications use specifications such as 35×35×25mm and 80×80×30mm. Different sizes correspond to different operational needs:
Small-sized blades (35×35×25mm): High blade density, fine cutting, suitable for soft materials such as plastic films and woven bags. The output size can be controlled to 20-25mm, suitable for small and medium-sized precision shredding equipment.
Standard-sized blades (40×40×25mm, 60×60mm): Balancing efficiency and versatility, they can handle various materials such as solid blocks, waste cardboard boxes, plastic bottles, and rubber products. The output size is 25-40mm, suitable for most conventional power single-shaft shredders.
Large-sized blades (80×80×30mm): High strength and strong impact resistance, suitable for D2/DC53 alloy materials, capable of efficiently processing large, hard materials such as wood, tires, thick plastic sheets, and metal cans. The output size is 50mm or more, requiring matching with high-power equipment.
The central mounting hole is available in convex and flat types, adapting to different blade holder fixing requirements, ensuring that the blade remains stable and secure under high-speed rotation and shearing impact, guaranteeing operational safety and stability. Some blades feature a structure with the cutting edge recessed inward towards the central hole, optimizing the clearance with the stationary blade and improving shearing accuracy.
The blade manufacturing process is crucial for hardness, precision, and wear resistance, requiring strict control through multiple steps. The process is as follows:
1. Blanking and Forging: High-quality alloy steel blanks are selected and precisely cut before forging. This optimizes the internal grain structure of the material, improving the overall toughness and strength of the blade and preventing breakage during subsequent use.
2. Heat Treatment: Differentiated heat treatment processes are used for D2 and DC53 alloys. After quenching, the hardness of DC53 is precisely controlled at HRC 62-63, maximizing toughness and wear resistance; the D2 alloy undergoes multi-step heat treatment to stabilize the hardness at HRC 58-60, enhancing wear resistance. Internal stresses are also eliminated to balance material hardness and toughness, preventing blade chipping due to excessive brittleness.
3. Precision Machining: CNC machine tools, wire cutting, and precision grinding are used to ensure the dimensional accuracy, flatness, and sharpness of the blade edge, guaranteeing proper clearance with the blade holder and stationary blade, and improving cutting stability.
4. Quality Control: Each batch of blades undergoes a full quality inspection process, including hardness testing, dimensional accuracy inspection, and surface defect detection, to ensure product consistency and reliability, meeting the demands of industrial-grade continuous operation.
Maintenance can significantly extend the service life of the blades: regularly clean material residue from the blade surface and check for wear.