Chemically Accelerated Vibratory Finishing for the Elimination of Wear and Pitting of Alloy Steel Gears


Chemically accelerated vibratory finishing eliminates wear and contact fatigue, resulting in gears surviving higher power densities for a longer life compared to traditional finishes. Studies have confirmed this process is metallurgically safe for both through hardened and case carburized alloy steels. The superfinish can achieve an Ra < 1.5 uinch, while maintaining tolerance levels. Metrology, topography, scanning election microscopy, hydrogen embrittlement, contact fatigue and lubrication results are presented.
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