How to Choose the Right Shredder: Single Shaft vs. Double Shaft
Whether you’re recycling plastic, e-waste, metal, or rubber, choosing the right shredder is a critical decision that affects your efficiency, output quality, and bottom line.
The two most common types are Single Shaft Shredder and Double Shaft Shredder — but which one is right for your material and business needs?
Let’s break it down.
What’s the Difference?
| Feature | Single Shaft Shredder | Double Shaft Shredder |
|---|---|---|
| Blades | One rotor with stationary counter blades | Two interlocking rotors with blades |
| Cutting Style | Precise, high-speed slicing | Tearing, shearing, and crushing |
| Output Control | Uses screen to control particle size | No screen (more irregular output) |
| Material Flow | Forced feeding (pusher) | Self-feeding, high torque |
| Ideal For | Plastics, film, paper, textiles, wood | Metal, tires, e-waste, bulky items |
When to Choose a Single Shaft Shredder
Choose a Single Shaft Shredder if you:
Need uniform and fine output size
Process soft to medium materials like plastic, textiles, or wood
Want to feed material into granulators or extruders after shredding
Prioritize precision and controlled particle size
💡 Common Uses: Plastic pipe & film recycling, textile shredding, RDF processing, wood pallet shredding
When to Choose a Double Shaft Shredder
Go with a Double Shaft Shredder if you:
Handle bulky, dense, or tough materials
Need high torque and throughput
Don’t require precise particle size
Want a machine that handles metal, tires, e-waste, radiators, or mixed scrap
💡 Common Uses: Car tires, aluminum scrap, refrigerators, computer parts, electric motors
Performance Comparison
| Feature | Single Shaft | Double Shaft |
|---|---|---|
| Output Size Control | Precise | Irregular |
| Speed | Faster | Slower (more torque) |
| Throughput Capacity | Medium | High |
| Maintenance | Moderate | Heavy-duty |
| Versatility | Limited | Wide range |
What to Consider Before Buying
What materials are you processing?
– Soft plastics → Single shaft
– Metal/tough composites → Double shaft
What output size do you need?
– Small granules → Single shaft
– Coarse size for further crushing → Double shaft
How much throughput do you need (kg/hour)?
What’s your next step after shredding?
– Extrusion, briquetting, pelletizing?
At Gomine, we offer:
Single Shaft Shredders – for precise, clean cutting
Double Shaft Shredders – for high-volume, industrial crushing
Custom solutions for plastic, metal, tire, e-waste, and more
Feel free to contact us to help you select the perfect shredder for your material and capacity needs.
