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在生产实践中，经常遇到加工键槽的零件，为了使键槽能对称于轴线，加工时必须使键槽铣刀中心与工件的轴线重合。调整铣刀位置对中心来确保对称度的方法很多，现介绍一种准确度高，使用灵活、方便的方法——内径千分尺对中心法。千分尺对中心法①做一个芯轴，如图示。安装在立
In production practice, often encountered in the processing of keyway parts, in order to make the keyway symmetrical to the axis, the processing must make the keyway cutter center coincides with the axis of the workpiece. There are many ways to adjust the milling cutter position to the center to ensure the symmetry. Now we introduce a high accuracy, flexible and convenient method - the inner diameter micrometer to the center method. Micrometer center method ① to make a mandrel, as shown. Installed in the legislature