EMO Hannover 2019, 16 - 21 September

    EMO Hannover 2019, 16 - 21 September
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    New specialist taps for stainless steels

    In an 18-month development project at Schumacher, the previous geometry for stainless materials has been completely revised. The existing Inox geometry will remain, but a new tool has been developed for series production in demanding materials.

    07 Aug. 2017
    TPI 2017

    According to Schumacher, the extensive development study for the machining of sophisticated stainless steels in serial production (ISO groups M1 and M2) has been successfully completed in 2017. The new Inox geometry developed with a German technical university has reportedly also delivered the desired results in all practice tests. As the company adds, the first project phase has been carried out digitally. New geometry variants have been designed on the basis of the requirements profile and the practical experience with the target materials. Using the simulation method from tool simulation, each of these variants could be tested first on the digital workpiece (materials from group M 1 and M 2). After evaluation of the results and the identification of the most successful new geometry variants, sample production was started. In long-term tests, the actual performance of the new geometrical designs could then be tested in terms of the project's objectives. As a result, the Polar tools developed in PM substrate feature a new combination of cutting angle and relief, a particular conicity of the cutting part, and a modified flute design to improve chip control. The standard design is equipped with a very hard PVD coating (variant of TiCN), and the blind hole version also has a 45° spiral flute and an extended flute length.

    Contact: Sabine Lemke, Schumacher Precision Tools GmbH
    Tel. +49 2191 970418
    E-mail: lemke@schumachertool.de
    Website: www.schumachertool.de

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