Void-Fill Shredder
A void-fill shredder is a machine used in packaging / dispatch / warehouse environments to shred materials (often waste cardboard) into flexible matting, lattice strips or shredded strips that are used to fill empty space (“voids”) in boxes or parcels. This shredded material helps protect shipped goods, acts as cushioning, and reduces waste by using material that might otherwise be discarded.
How Void-Fill Shredders Work — Key Features
Here are the main components and operating principles:
- Feed Inlet / Entry Width & Thickness
The machine accepts cardboard (single or double-wall) or similar board materials. The width (how wide the board can be fed) and the permitted thickness (layers of cardboard) are important specs. - Cut / Shred Mechanism
A combination of rollers, slitting or cutting cylinders that slice or shred the cardboard into strips or lattice shapes. Some machines also trim excess edges in a single pass. - Output Matting / Lattice / Strip Generation
The result is “matting” or shredded strips. These are used to fill voids, cushion goods, wrap between layers, etc. - Throughput / Speed
How fast the material is fed and shredded (often measured in metres per minute) and how much volume of void-fill is created per hour (cubic metres/hour).
Benefits of Using a Void-Fill Shredder
- Reduced Packaging Costs: You use shredded cardboard you already have rather than buying bubble wrap, foam peanuts, plastic fills, etc.
- Lower Waste Disposal: Less cardboard to throw away; converting waste into useful packaging material saves on disposal fees.
- Sustainability & Eco Friendliness: Reusing cardboard reduces waste, carbon footprint, dependency on plastic packaging.
- Improved Protection for Shipped Goods: Proper void fill prevents shifting, damage, increases customer satisfaction.
- Efficiency & Space Savings: Shredded fill is more compact to store than stacks of flattened cardboard or buying fill materials.
What to Look For (Choosing a Good Void-Fill Shredder)
Here are criteria to compare when selecting a shredder for void-fill purposes:
|
Factor |
Why It Matters |
|
Feed Width / Thickness Capacity |
Determines what size and type of cardboard you can use. Bigger openings for thicker or double wall materials allow more flexibility. |
|
Output Rate (m³/hr) & Feed Speed |
To meet your packing volume, you’ll need sufficient throughput so the machine doesn’t become a lagging bottleneck. |
|
Power Requirements |
Ensure your facility has the needed voltage / current; efficient motors reduce running cost. |
|
Safety Standards & Operator Comfort |
Dust extraction, safety guards, soft starts reduce risk and improve working conditions. |
|
Machine Durability & Maintenance |
Blade wear, access for cleaning or blade replacement, quality of components—affects long-term cost. |
|
Footprint & Noise |
If the machine is used at a packing bench or in dispatch, you’ll want compact size and reasonable noise levels. |
|
Energy Efficiency |
Machines that comply with better motor efficiency or IE classes will consume less power. |
|
Warranty / Support & Spare Parts |
To ensure you can get service quickly if needed, and parts for wear items are available. |
Challenges & Trade-Offs
- Initial Cost vs Volume Needs: If your void-fill volume is small, investing in a big machine may not pay off.
- Maintenance: Blades wear; cleaning, replacing worn parts, and managing dust can require regular effort.
- Dust / Airborne Fibres: Cardboard shredding produces dust; extraction systems may be required.
- Noise & Operator Comfort: Running large shredders for long periods can be loud; need good design.
- Material Quality: Cardboard with tape, staples, labels etc. may jam or damage the machine; pre-sorting helps.
If you are considering a void-fill shredder for your packaging line or warehouse, our PROSINO team offers tailored solutions. We can help you:
- Define your void-fill volume needs, feed material type & frequency
- Select the right machine capacity, feed width, throughput, safety features
- Provide options for dust extraction, motor type, power supply
- Offer quotes, installation guidance, spare parts & after-sales service
Compare models and get expert recommendations from PROSINO.
Quick links:
SINOBALER cardboard waste balers
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