Comparing Briquetting and Centrifugation

What metal processing facility wants wet chips that bring along dirty work areas and container storage spaces, leading to high disposal efforts with lots of forklift traffic? Wet chips also result in a discharge of a significant amount of coolant (cutting fluid or emulsion) and low scrap returns. The solution: Separating metal chips from the coolant. But the question remains: how?

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Ruf Maschinenbau offers a wide range of feeders

How to briquette metal chips properly not only depends on the press. Also the right hopper and feeder are crucial to the reliability of the process. RUF Maschinenbau has the right solution for all needs.

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The year 1993 witnessed at RUF Maschinenbau the culmination of the exchange mould’s evolution from wood debris to metal chips. Just two years later, as many as ten metal briquetting systems had been sold in addition to the original wood processors. Today, RUF briquetting technology has become an integral constituent in the recycling of chips generated by the metalworking industries. A success story in the SME segment.

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Video shoot with Metal Works on our press tests at RUF Maschinenbau

Recently we were able to welcome a camera team from the media platform Metal Works TV to our premises in Zaisertshofen. The background to this was an editorial video about our test pressings, which we offer free of charge and without obligation to potential new customers in our specially designed technical center. The resulting article sheds light on the procedure and processes of a pressing test, both for wood and metal.

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Precision and efficiency are top priorities for Alcutec GmbH. To this end the aluminium milling specialists have installed a RUF briquetting system which presses the aluminium chips produced during production into compact briquettes. The briquetting process reduces the volume of the chips markedly and in addition clinging cooling lubricant is recovered. The result is that the production waste is much easier to handle and achieves higher prices when sold than loose aluminium chips.

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The production of aluminium pressing bushes designed for the reliable sealing of pipe unions involves cutting operations that waste nearly 80% of the raw material. As a measure to maximise the yield of this valuable material, the pipe specialist Uponor has been running RUF briquetting systems in its production since 2005. According to WCO Local Coordinator Gerart Oppelt, this investment had paid off after just nine months.

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With the introduction of a RUF briquetting press Keiels Formenbau GmbH have simplified their working processes substantially, as well as massively reducing their costs. The briquetting system can press 50 kg per hour of Aluminium chips, which are produced during milling, into solid briquettes. When compared to the sale of loose, wet chips the company has doubled its revenues through selling Aluminium briquettes. In real terms this is a return on investment in about a year.

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One of RUF´s heavy duty briquetting systems is contributing enormously to efficient work processes at SWG Metallverarbeitung und Montagetechnik GmbH. The press reduces the volume of chips to almost a tenth of the original volume as well as recovering valuable cooling lubricant and is not knocked out of its stride by even the coarsest particles which can be found between the chips. In the meantime almost one million aluminium briquettes have been pressed by the RUF press at SWG.

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By pressing loose chips of stainless steel into briquettes, EZ Zerspanung GmbH was able to lower its costs for cutting oils significantly and reduce environmental impact. Through the process of briquetting the turning parts expert can retrieve about 80 percent of the cutting oil adhering to the chips. This saving is the main reason why the RUF-briquetting press amortised itself within less than three years.

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Zollner AG compresses more than 100 tons of aluminium chips per year using a RUF briquetting press. The mechatronics service provider thereby reduces the volume of this recyclable material to a fraction and isolates clinging oils and emulsions. By recovering cooling lubricant and thanks to increased prices for aluminium briquettes, the press has amortized itself within a very short time.

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