Cardboard shredder

Every year, Germany produces around 10 million tonnes of cardboard and paperboard for the packaging industry. After their use, these items of cardboard packaging and boxes must then be reduced in volume before passing through the recycling process. This volume reduction step is performed by recycling companies and public recycling depots or in cardboard packaging and corrugated board factories. Reasons for volume reduction: For these requirements, ERDWICH has developed a specialised product range – the EKZ and FKZ cardboard shredders – which can be supplied in a range of sizes. The ERDWICH plant items have been designed as a perfect match for downstream transportation systems. The EKZ has two shafts with independent drives: one high-speed shredder shaft and one slow-speed feed-in shaft. The feed-in shaft feeds the packaging to the shredder shaft, which then shreds the cardboard into fragments of the desired size. The machines can also easily handle fruit crates and polystyrene...

ERDWICH hammer mills are the answer to the challenge of selectively shredding hard and brittle materials. Then again, ERDWICH hammer mills also take the pelletisation of rubbery materials – as preparation for downstream separation systems – in their stride. A tough customer? Just so. ERDWICH hammer mills are especially suited to metal, electrical and electronic scrap or swarf from steel or aluminium – and many other materials besides. Simple adjustability during operation also makes short work of the pelletisation of non-ferrous metals. The final fragment size is variable and can be changed during operation. That’s also a great example of the product’s flexibility in catering to a wide range of applications. For the selective challenges in life. ERDWICH hammer mills.

When processing electronic scrap, the aim is not merely to ensure the highest levels of process reliability and performance, but to salvage components such as capacitors and batteries intact where possible. Here, the the RM 1350/2 coarse shredder really struts its stuff: with the especially slow-running twin-shaft rotor/shredder system, the machine is especially resource-friendly and so ensures a large quota of intact capacitors and batteries. Two sizes of machine, with different shredder lengths and drive specifications are available to meet any challenge.

The uniform shredding of coarse materials: that’s the speciality of the ERDWICH three-shaft shredder. ERDWICH has created the three-shaft design especially for these requirements. Entirely free of clogging and jamming – even with solid materials. Clever, huh? Absolutely: after all, the three cutter shafts and their individual sets of blades rotate at different speeds, so as to continuously pull in and precisely shred the feedstock material. If the material is too large, the sweeper shaft simply transfers the material to the lower cutter shafts for further size reduction. Again and again – until the material is the exact size as specified. Tirelessly, and with perfect reliability. Fragment size selection itself is achieved by the perforated screen substructure through which the material exits after the shredding process. Precise shredding of large and solid materials. That’s what ERDWICH does.