EMO Hannover 2019, 16 - 21 September

    EMO Hannover 2019, 16 - 21 September
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    Thread forming as an alternative

    In the experience of Wexo, thread forming allows more reliable machining, even of deeper threads. In addition, higher cutting speeds can be used.

    27 Jul. 2017
    0393
    According to Wexo, tests confirm the advantages of thread forming over other methods.

    The advantages of thread forming are obvious for Wexo. Firstly, no chips are created due to the forming process. Secondly, through-hole and blind-hole threads can be produced with one tool. Higher pull-out strengths are reportedly achieved thanks to material solidification at the thread flanks. The company also stresses the improved surface qualities on the thread flanks, the process-reliable machining even for deeper threads, and the capability of higher cutting speeds. The manufacturers claim to have a tool geometry that shows very high process reliability in stainless steel and in acid-resistant steels. A further geometry achieves very good results in the classic tool steels as well as tempering steels. According to the exhibitors, this is attributable both to the appropriately adapted geometry of the lobes as well as to the after-treatment of the coated tool surface. Both types are seen as highly suitable for use with structural steels, low-alloy steels, alloyed steels, and copper and aluminum alloys. For example, the manufacturers report, the 371504 thread former was used to form an M6 blind-hole thread, 15 mm deep, in 42CrMo4. It was found that the torque of the tool was approximately 40% lower than that of the competition, with the result that friction was significantly reduced.

    Contact: Björn Hamel, WEXO Präzisionswerkzeuge GmbH
    Tel. +49 6172 106-206
    E-mail: marketing@wexo.com
    Website: www.wexo.com

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