The machine tool industry is improving productivity through higher speeds, improved power density and multi-purpose operations. This article reviews the requirements for, and the realization of, continuously developed spindle solutions.

      General trends in the machine industry are marked by increasing globalization of the sector with standardization of components and systems, and greater international collaboration. There is a continued push to improve productivity in the sector through higher speeds, improved power densities, greater flexibility and machine tools capable of multi-purpose operation.

      Modern machine tools are flexible manufacturing centers capable of performing a range of programmed tasks. Key components in all machine tools, spindles are used to carry out a range of cutting operations on, for example cast metal products. These products require finishing through processes such as turning, cutting, drilling, counter-sinking, tapping, reaming, grinding and milling and to achieve their final shape and specification. Major application areas include automotive and aerospace industries.

      Spindles represent a key part of any machine tool. They determine the quality of the final product produced and the overall productivity and efficiency of the machine tool itself.

            A spindle is in principle a motor driven shaft that both positions and transmits power to a tool or holds a work-piece. Spindles can operate at speeds of 20,000 rpm or more and have a direct impact on efficiency, accuracy and overall productivity. SKF has made considerable investments in the development of spindle technology and – by working closely with its customers – knows machine tool manufacturing requirements. It offers cost-effective production and engineering services, including a range of standardized and ...

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