RV 10 Flexmaster increases productivity with customized automation by Rexroth
In addition to short cycle times, the productivity of machine tools is increasingly determined by the effort required for their changeover. In recognition of this trend, WINEMA Maschinenbau GmbH has introduced CNC-controlled rotary indexing machines to a market segment that was previously dominated by cam-controlled machines. For its newly developed RV 10 Flexmaster for small workpieces with a diameter of at least 2 mm, WINEMA is employing the CNC system solution IndraMotion MTX by Rexroth with decentralized intelligent electric and hydraulic drives. The sercos automation bus provides the high-performance profiles for the smooth integration of both drive technologies. This increases productivity by 20% compared to previously available solutions.
For its new NOVA M12 system, MECCANICA NOVA, a leading manufacturer of grinding systems worldwide, implemented sercos as the universal bus for the entire automation, combining its precision and speed with systems from Bosch Rexroth. More flexible, quicker and easier, the third generation of sercos improves the overall production process with its innovative machine philosophies.
The dream of an intelligent factory is almost as old as industrial engineering itself. The higher the number of employees and workstations working in parallel for the production of a product, the more communication and control is required. What was once defined by a strict working cycle is now done by information channels constituting the nervous system of a company.
Everything used to be very simple. The machines set the pace on the plant floor. Maintaining a perfect rhythm made the work more efficient. The rules are different in today’s state-of-the-art production environments. Fast reaction to change has become an additional success factor which contributes to high productivity during normal day-to-day operations. No matter how well you prepare, you cannot plan for every eventuality.
Maximum efficiency is the goal of every machine manufacturer. Every project has to be judged in terms of how far it offers an optimum balance between results and costs. Therefore, new technologies are not taken up simply because they are new but because they improve efficiency without raising costs unnecessarily.
One should love all things old, recommends Theodore Fontane in his book “Der Stechlin”, whereas the new has to be lived. This is generally easier said than done, however, since switching to a new technology involves numerous hurdles. Opportunities, risks and costs have to be weighed up. And there is also an emotional component, as no one ever likes to say goodbye to something which they have got used to.
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Requirements from various application areas (such as machine tools, robots, packaging machines, printing presses, etc.) on a standardized, digital drive interface include: