Abstract

AbstractThis research presents an experimental study for determining the cutting force formed during thread milling. This objective has been achieved based on modeling the process depending on a single cutter and according to the kinematic scheme of thread milling on a coordinate boring machine with a CNC mod. 24K40SF4. A control and measurement diagnostic stand based on a Kistler 9257B dynamometer has been used in modeling the process. Climb partial dependencies, conventional processing strategy, tangent, radial, and axial components of the cutting force with varying feed per tooth Sz, cutting speed v, thread diameter D, thread pitch P, tool diameter dr, and the front surface inclination angle ω all are established based on one-factor planning. This work presents a method for calculating tangent and radial components of the cutting force. This is done based on the obtained force components in the Cartesian coordinate system of a dynamometer. The resulted dependencies may be useful in solving problems of determining the cutting force during thread milling with a multiple-thread milling cutter, calculating the projected strength of the cutter, and solving problems of processing dynamics.KeywordsMultiple-thread milling cutterThread millingCutting force

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