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What Is a Shredder?

A shredder is a size-reduction machine that cuts large materials into small pieces, sometimes down to powder. Machines range from small shop units to industrial-scale systems handling tons per hour.

What Is an Aluminum Can Shredder?

An aluminum can shredder is a specialized metal shredder built for beverage cans, food cans, and aluminum packaging. It reduces cans to small fragments that feed easily into smelters or briquetting lines. Available configurations include single shaft, double shaft, swing arm, and dual motor designs, each matched to different throughput and output requirements.

Why Aluminum Is Ideal for Recycling

Aluminum can be recycled indefinitely without losing mechanical properties or quality. This infinite recyclability makes it the most recycled material worldwide — and a can shredder is the machine that makes this loop practical at scale.

Key Advantages

Preserves material value — Shredding does not degrade aluminum quality. The output is as pure as the input, ready for direct remelting into new cans, sheet, or extrusion billet.

Reduces volume — Shredded aluminum is dense and easy to transport. This cuts logistics costs and maximizes furnace loading efficiency.

Enables closed-loop recycling — Shredded cans become raw material for new can production, reducing demand for primary aluminum and saving 95% of the energy required for virgin smelting.

Handles mixed input — Modern can shredders process aluminum beverage cans, food cans, aerosol containers, and scrap foil in one pass, with magnetic separation removing steel contaminants.

Wanrooe Aluminum Shredder Range

We manufacture aluminum can shredders, beer can shredders, coke can shredders, and general aluminum recycling machines for capacities from small collection centers to industrial smelter feed operations. Contact us with your can type, contamination level, and daily volume for equipment recommendation.

FAQ: Aluminum Can Shredding

Should cans be crushed before shredding?

Pre-crushing is not required — the shredder handles whole cans. However, draining liquid residue prevents corrosion and improves output quality. A drain rack or pre-press upstream is recommended for high-volume operations.

What about steel cans mixed with aluminum?

A small percentage of steel contamination is acceptable. Magnetic separation after shredding removes ferrous material. For mixed-stream operations, specify a shredder with integrated magnetic separator.

What output size do smelters require?

Most aluminum smelters accept 20–50 mm shredded fragments. Some prefer smaller 10–20 mm material for faster melting. Screen size on the shredder controls this range.