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Product news
25.02.2013  |  9126x
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Polishing and deburring: robots simply do it better

DEPRAG enhances its range of grinding motors for deburring systems

What do metal castings, products made from composite materials, and brake disc blanks have in common? When all of the above items are machined, any sharp edges, burrs, fraying or chips produced during the manufacturing process need to have the edges smoothed and chips removed in a deburring process. Anywhere cutting processes such as turning, milling, drilling or thread-cutting are involved, the manufacturing process will almost always also include a deburring stage on the workpiece. This guarantees the quality of the component to comply with technical specifications. Automated deburring systems in which robots undertake many of the tasks such as milling, polishing and grinding, are becoming the norm throughout the industry.

Automated processes are coming to the fore in foundries too. The job of cleaning the raw castings - an expensive and time-consuming job - is increasingly being carried out as part of the automated production process. The practice can also be observed within the synthetics processing and woodworking sectors. It is generally practised in the manufacture of high-performance products produced in large numbers, where process reliability, quality, productivity and the improvement of working environments are important criteria in the manufacturing process. A major advantage of automation has proved to be its capacity to reproduce high quality in deburring, grinding and polishing processes.

The product might be the shaft of a hip prosthesis, a pressure cooker lid, the rear axle for a heavy goods vehicle or perhaps a synthetic window-frame - many specialist mechanical engineers have developed a whole series of economically and technically impressive manufacturing solutions to deal with deburring, grinding and polishing. A major component of the deburring system is a high-quality drive to control the milling, grinding and polishing tools. “The ideal motor for these applications is a pneumatic grinding motor that, with its outstanding power-weight ratio, can be incorporated into the tight fitting space inside a robot,” explained Dagmar Dübbelde, DEPRAG’s air motors product manager. The German company which numbers among the leading manufacturers of air motors has brought innovation and continuous improvement to existing product lines.

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