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technology in action


After grinding and fi nishing operations, a tool is checked on the Zoller genius 3 measuring machine at Wolfgang Paul.


and demonstrated with their own measuring instruments, including a Zoller genius 3 tool measuring machine and other technical aids.


“Over and above machining, our experienced cutters also advise on design with the grinding expertise they bring from their own experience,” said Paul. For Bavarians—the com- pany’s home is near Munich—customer service is an impor- tant factor for a successful and prosperous partnership, Paul noted. “Anyone who lets a price defi ne the relationship, while buying cheap, will be presumed to compromise on quality.”


A True Partnership As one of the beta users of the new 325linear, Wolfgang


Paul Precision Tools received full support from Schütte, beginning with the sharing of hands-on technical expertise. Christoph Schiffer, Schütte product manager, emphasized the importance of feedback from the fi eld and was always in close contact with the company during the beta-testing period: “Paul’s immediate feedback and that of other users are taken into account in fi ne-tuning the machine functions,” he said. “This dialog is a decisive factor in whether or not we


are offering good technology. At the end of the day, we aren’t the ones working on the machines to make the parts and make money—the customer is.” The basis for the qual- ity of the parts machined on the 325linear is, among other things, its extremely rigid machine structure. Compared to the previous model, the assembly and all structural components and guides were redesigned to include advances in technology. As a result, the machine ensures a solid, vibration-free surface quality and moves the extended X and Z-axis contours precisely with short cycle times. The 325linear optimizes many processes but among the most notable are the higher axis accelerations, feeds and feed rates. In part production and multiaxis move- ments, the machine cycle time


“A customer ordered component parts at 6 pm. Before 8 pm, I had the fi rst fi nished workpieces.”


is reduced by about 10%. The reduced-noise spindle drive protects the grinding tools, extending their service life. The processing and component spectrum of the 325lin- ear ranges from manufacturing and resharpening of cutting tools on the premachining and fi nish machining of production components as well as grinding, milling, polishing and fi nish- ing of orthopedic implants through profi le plate grinding and micro-tool machining. Not all of these capabilities are used in daily production at Wolfgang Paul Precision Tools, “but this illustrates the range of possibilities,” Paul said. “If there is something this machine can’t do, you’d have to show me!”


Clamping Solutions


The possibilities of clamping solutions are extensive, with collet, hydraulic chucks or multirange chucks that can be programmatically activated. The precise and responsive,


82 — Medical Manufacturing 2015


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