Influence of the radius of the tool nose on the machining accuracy of the profiling lathe

The profiling lathe uses the master to control the trajectory of the tool to achieve correct machining of the shaft parts. However, in actual production, especially when machining a part with a tapered surface, the same master, sometimes the processed part is qualified, and sometimes it is adjusted anyway. The axial dimensions of the machined parts are not all satisfactory. It is related to the arc radius of the tool nose. The simple analysis is as follows: 1. The influence of the radius of the tool nose on the axial dimension. We know that the tool nose is usually a circular arc. When turning a part with a turning tool on a lathe. The cutting point of the machined surface and the tool edge arc is the forming point of the turning tool on the part. Figure 1 shows the profile and turning tool when turning a turning machine

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