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    Notice for Hob Coating

    2022-03-11 09:41:29 jiangxingTools 351

    Notice for Hob Coating

    As hob coating are done at high temperature under high vacuum, to optimize PVD coatings performance,please collect your hobbing tools with following information.

    1, steel grade and speficiation for gear hobs with HSS M2, M35, ASP30, S390, S290, MC90

    2, tempering temperature and hardness of hobs

    3, highlight and specify the coated surfaces

    4, notice the coating company if the dimension tolerance is less than 5um.

    5, specify the hob application, so coating company can recommend a proper coating for your gear hobs.