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为了压光长度超过140毫米的孔,可使用图中所示的被加工孔径从9.5毫米起的深孔压光头。因为在这个工具上压光头的直径最大,因此借助于适当的加长工具也能加工很深的孔。这种深孔压先头分为四组,在一组中通过适当的调整能改变直径。所提供的这种压光头是用于加工直径为30.8毫米曲孔,并能获得十分好的表面光洁度,通过滚压使表面硬化。所有使用高速钢刀具能经济的进行切削的金属材料均可
For calendering holes longer than 140 mm, use a deep-hole calender with a machined hole diameter of 9.5 mm as shown. Because of the largest diameter of the calendered head on this tool, deep holes can also be machined by means of suitable lengthening tools. This type of deep hole pressure is first divided into four groups, one group with appropriate adjustments to change the diameter. The calendered head provided is used to machine curved holes of 30.8 mm in diameter and offers a very good surface finish, which is hardened by rolling. All high-speed steel cutting tools can be economical to cut the metal material can be