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            內徑滾壓刀工具精度和硬度要求高

            2020-03-19 14:18 點擊量:1154

            內徑滾壓刀螺紋的缺點有以下幾點:

            1、母材的壓縮導致加工硬化,降低螺紋的疲勞壽命;

            2、材料有局限性,滾壓螺紋要求材料的硬度不超過HRC40;

            3、 對毛坯尺寸精度要求較高;

            對滾壓模具的精度和硬度要求也高

               

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