Analysis of Rough Gear Gashing Force for Multi-engaged Cutting Blades

摘要

Disk-type gear gasher is promised by a cutter body and indexable inserts, affording gear gashing which belongs to no free, heavy cutting. By applying nonlinear empirical exponential formula and using Time Finite Element Analysis method, the model of gashing forces was obtained. The corresponding gashing torque was unanimity as the spindle current measured. Based on the intermittent force model, the machining condition was focused along the gear lead for the forces' amplitude and phase on the profile time. The value changed greatly until 0. There were two manifestations called phase congruency and phase imbalance which led to negative deviations or positive deviations. So, the force of rough gear gashing had been completed preliminarily, providing guidance for processing.