What is a Two Shaft Heavy Duty Shredder Machine for Metal?

In simple terms, a two shaft heavy duty shredder is a brute-force recycling machine. It uses two parallel, counter-rotating shafts fitted with robust cutting blades. These intermeshing blades grab, shear, and tear apart tough materials. This design is perfect for metals because it delivers high torque and can handle shock loads from irregular feed. Consequently, it turns large, problematic scrap into a valuable, high-bulk-density feedstock for further processing or melting.

5 Unbeatable Advantages of This Industrial Shredder

Why choose this specific machine for your metal recycling line? Here are five compelling reasons.

heavy duty shredder machine blades

(heavy duty shredder machine drafts + blades)

1. Exceptional Raw Power and High Throughput

First and foremost, these machines are built for volume. With powerful dual motors (e.g., 90kW + 90kW), a heavy duty metal shredder can process up to 2 tons of material per hour in continuous feed mode. This immense power allows it to tackle whole aluminum can bales measuring up to 1.1m x 0.75m x 1.2m and weighing 330kg each. Therefore, it dramatically accelerates your recycling workflow.

2. Superior Size Reduction and Consistent Output

Secondly, the dual-shear action ensures excellent control over the final particle size. The machine is designed so that 95% of its output is strips or pieces smaller than 50mm wide. This consistency is crucial for efficient downstream sorting, transportation, and furnace charging. You get a uniform product that is easier and more valuable to sell.

3. Incredible Durability and Low Maintenance

Furthermore, the construction is built to last. Key components like the 50mm thick blades, large 514mm diameter rotors, and German-standard DIN 5480 shaft connections are made for punishing work. Regular lubrication with oil and grease is the primary maintenance need. This robust design minimizes unplanned downtime and extends the machine’s service life for years.

4. Advanced Safety and Smart Control Systems

Another major benefit is operator safety and automated control. Modern versions use a Siemens PLC (or equivalent) for full automation. This system includes critical functions like overload protection. If the machine jams or is overfed, it automatically reverses or shuts down to prevent damage. Reputable standards for industrial machinery safety are upheld by organizations like OSHA.

5. Remarkable Versatility Beyond Metal

Finally, its usefulness extends beyond just metal. The same two shaft shredder can efficiently process a wide range of other industrial waste. This includes tough materials like waste plastics, wooden pallets, tires, paper bales, and textiles. This versatility makes it a highly flexible asset that can adapt to changing waste streams.

heavy duty shredder machine hydraulic station

(hydraulic station of heavy duty shredder machine)

Key Specifications and Technical Details

Understanding the specs helps you see why this machine is so capable. Here are the critical numbers for a standard industrial model:

  • Spindle Speed: 15 RPM (provides high torque for tearing, not just cutting)

  • Shafts: 2 (Dual-Shaft Design)

  • Rotary Diameter: 514mm (Large, sturdy rotors)

  • Blade Thickness: 50mm (Extremely durable cutting discs)

  • Number of Blades: 32 (Ample cutting surfaces)

  • Crushing Chamber: 1600mm (L) x 1050mm (W) (Large feed opening)

  • Overall Machine Size: ~4579mm (L) x 2080mm (W) x 3205mm (H)

  • Main Power: 90kW + 90kW dual motors (Massive driving force)

  • Electrical Standards: Premium components (Schneider, Siemens, ABB)

  • Power Options: 380V/50Hz or 410V/50Hz (Configurable for your facility)

heavy duty shredder machine size

(heavy duty shredder machine’s demension shape)

How to Integrate This Shredder Into Your Operation

Successfully adding this heavy duty shredder machine to your plant requires some planning. Here are three essential steps.

1. Assess Your Material and Volume
Clearly define what you will shred most often. Is it primarily aluminum bales, or will you mix in steel turnings or bulky scrap? Knowing your material type, density, and desired hourly throughput (like the 2-ton/hour target) is the first step. The Institute of Scrap Recycling Industries (ISRI) provides guidelines on scrap preparation that can inform your needs.

2. Prepare Your Site and Utilities
This is a large, powerful machine. Ensure your facility has the space for its substantial footprint and for material handling around it. Most critically, verify you have the correct three-phase electrical supply (380V or 410V) with sufficient capacity to power the twin 90kW motors without straining your grid.

3. Plan for Operation and Safety
Factor in the need for one trained operator. Also, establish a strict routine for lubrication and daily inspections to keep the machine running smoothly. The built-in PLC safety features are excellent, but they complement—do not replace—proper operator training and safe work procedures.

Conclusion: The Ultimate Machine for Metal Recycling Challenges

In summary, a two shaft heavy duty shredder machine for metal is more than just a grinder; it’s a strategic investment in recycling efficiency and profitability. Its powerful, durable design handles the toughest materials, while its smart controls ensure safe, reliable operation. By providing consistent, high-volume size reduction, it solves a major bottleneck in scrap processing. If your business deals with compacted metal bales or mixed industrial waste, this machine is the reliable powerhouse you need to stay competitive and grow.