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86-15852949220
NANJING ALAS INTERNATIONAL CO., LTD
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Wear Resistance: Stays sharp during 24-hour continuous use
Shock Resistance: Tough enough to handle unshreddable contaminants
Reduces energy use
Prevents material from slipping through uncut
Ensures consistent output size
Blades stay effective even after multiple regrinds
Lowers your total cost of ownership (TCO)
Materials: D2, DC53, Cr12MoV (SKD-11), H13
Hardness: 52–60 HRC (vacuum hardened)
Applications: MSW, wood, e-waste, plastics, bulky waste
Blade design: Custom 1‑hook to 12‑hook
Surface: Precision ground for low friction
Two shafts rotate in opposite directions
Blades are arranged in a staggered, spiral pattern
Grabs material immediately to avoid jams
Uses shearing and tearing forces to reduce waste size
Runs at 5.5–10 rpm: low speed, high torque
More efficient than single-shaft designs
Claw options: 2‑claw, 3‑claw, 6‑claw, 8‑claw, 12‑claw
Thickness options: 10mm, 20mm, 40mm, 50mm, 75mm
Three-part design: blade body + claw blade + auxiliary blade
Replace worn parts quickly with simple bolts
Reduces downtime
Spline or hexagonal shaft connection
Even force distribution
Prevents blade cracking and shaft damage
Very tough and impact-resistant
Hardens further during use
Best for: MSW, construction waste, dirty / sandy waste
High hardness, good wear resistance
Lower cost
Best for: rubber, paper, fiber, soft waste
Excellent wear and shock resistance
Holds a sharp edge
Hardness: HRC 58–62
Best for: wood, hard plastic, metal scrap, e-waste, tires
Balanced wear resistance and toughness
Great for heavy-duty, continuous use
Best for: industrial solid waste
Metals: cans, barrels, car parts, scrap steel, aluminum
Plastics & E-waste: films, bags, pipes, casings, circuit boards
Construction waste: debris, bulky waste, landfill materials
Organic waste: furniture, branches, garden waste, kitchen waste
Special: whole tires, mixed industrial waste
Longer life: Blades can be reground up to 4 times; 4 usable edges per blade
Stable running: PLC control, overload reverse, low noise (<85dB), low dust
Energy saving: Uses 15–30% less energy
24/7 continuous operation
Regrind blades when dull to restore sharpness
Regularly check and adjust blade gaps
Replace cracked or badly worn blades immediately
Check and tighten bolts before and after use
Match material to wasteHard materials: SKD-11, Cr12MoV
Dirty / high-impact waste: high manganese steel
Soft waste: 9CrSi
Choose structure Fine output: 8–12 claws
Coarse crushing: 2–3 claws
Heavy materials: thicker blades
Prioritize modular, quick-change designs
Provide full details for custom blades: Machine model
Shaft size
Waste type
Desired output size
MSW and industrial waste often contain metal, stone, and hard debris
ALAS blades use shock-resistant H13 or modified D2 steel
Vacuum heat treatment keeps blades tough but sharp
We are your engineering partner, not just a supplier
We analyze your waste stream and recommend the best blade material and design
Extend replacement intervals and reduce downtime
Nanjing Alas International Co., Ltd. is a professional industrial tooling manufacturer focused on shear blades, bending dies, shredder blades, and custom wear parts. We offer full application engineering, material selection, setup guidance, and after-sales support to global customers.
Tell us your requirements, and our engineering team will provide professional solutions for blade specification, tool life optimization, and cost-effective production.