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      1. 行業動態
        鏜孔有哪幾種分類?
        信息來源:www.uber024.com    發布時間:2019.12.30

        鏜孔是對鍛出,鑄出或鉆出孔的進一步加工。鏜孔可擴大孔徑,提高精度,減小表面粗糙度,還可以較好地糾正原來孔軸線的偏斜。

        鏜孔可以分為粗鏜、半精鏜和精鏜。精鏜孔的尺寸精度可達IT8~IT7,表面粗糙度Ra值1.6~0.8μm。鏜孔分為一般鏜孔和深孔鏜孔,一般鏜孔在普通車床就可以,把鏜刀固定在車床尾座或者固定在小刀架上都可以。深孔鏜孔需要專用的深孔鉆鏜床,鏜刀要加上鏜稈,還要加上液壓泵站利用冷卻液把鐵屑排除。


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