Transactions of Nanjing University of Aeronautics & Astronautics
Simulation Study on Influence of Rake Angle in Gear Skiving Processes
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Abstract:
Gear skiving is a promising gear cutting technology that can achieve a multiple faster internal gear cutting process than that of gear shaping. However， the kinematic system complicates skiving process， resulting in severe crater wear due to the intense variation of local cutting features. In particular，the negative rake angle near the cut-out is recognized as influential factor affecting the cutter wear progress， which needs the sophisticated simulation approach to elucidate the underlying cutting mechanism. In this research， the influence of the rake angle， e.g. top and side nominal rake angles of the cutter， is studied to further understand its role in the gear skiving process， for seeking the possibility of skiving process improvement by calculating the effective rake angle. As a result， the top and side rake angles of the cutter can both increase the effective rake angle when compared with the case of the none-rake angle， leading to an enhanced skiving process. This work provides fundamental knowledge of the rake angle for the gear skiving research， contributing to the optimization on the cutter parameters by considering the effective rake angle.
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Clc Number:
TH132
CHINA AERO-SCIENCES
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