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    journal of hp tooling ist die neue internationale Fachzeitschrift für alle Aspekte hochpräziser Bearbeitungsprozesse, deren Zubehör und Anwendungen.


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    Cooperation of Okuma and Dr. Kaiser Diamantwerkzeuge Grinding experts combine expertise

    Okuma and German grinding expert Dr. Kaiser Diamantwerkzeuge GmbH & Co KG jointly developed a grinding system that offers cutting-edge dressing functions. This is achieved by an unprecedented symbiosis of the CNC grinding machine, the dressing hardware and the control technology.

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  • State-of-the-art grinding solutions
    Okuma has over a century of grinding experience. The industrys only single-source supplier develops and manufactures machines, spindles, motors, controls and many more in-house. For the development of peripheral components, Okuma cooperates with renowned cooperation partners such as Dr. Kaiser Diamantwerkzeuge GmbH & Co KG, a German system provider for grinding and dressing. The company develops and produces grinding wheels, dressing tools, wear-resistant parts and dressing spindle systems. Okuma and Dr. Kaiser can look back on a successful cooperation and have developed a special app to determine the optimal dressing parameters. Now, Dr. Kaiser has developed a vitrified CBN grinding wheel, a dressing spindle system and the according dressing tools for an Okuma GP25W x65 CNC grinding machine, which have already achieved outstanding grinding results in combination with short and stable process data.

    When installed on an Okuma grinder, the dressing spindle C72FCA2 by Dr. Kaiser is connected to the Okuma control OSP-P300G via PROFINET. With its output of 1.3 kW, the dressing spindle achieves a very steady circumferential spindle speed during synchronous dressing as well as during counter-rotation dressing. During the dressing cycle, the control receives process data from the dressing spindle. The spindle is equipped with integrated acoustic emission sensors that detect when the dresser and the grinding wheel come into contact. As the sensors can determine the contact in the micrometre range, it allows for aligning the axes perfectly. This reduces air-grinding time, minimises wear on the diamond dressing tool and ensures a defined abrasion of the grinding wheel. In sum, these technologies allow for grinding operations that are as productive, precise and reliable as possible.


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