The Improvement of Deep-hole Boring Machining Quality Assisted with Ultrasonic Vibration

doi:10.3901/JME.2017.19.143

Abstract

Abstract: Deep-hole machining is widely applied in the aviation engine manufacture. However, the machining quality is difficult to be guaranteed due to its weak stiffness, large static cutter relieving, chatter and tool wear during the cutting process. As an assisted machining method, ultrasonic vibration cutting has the advantages of cutting force reduction, system stiffness enhancement and chatter suppression. The ultrasonic vibration is applied to the deep-hole boring process, meanwhile, experiments for verifying the chip breaking condition, measuring the hole diameter error, measuring the finishing surface roughness and observing the surface morphology or profile are carried out. The results demonstrate that ultrasonic vibration boring can effectively overcome the chip block problem, reduce the hole diameter error and surface roughness and suppress the cutting chatter. Thus, the deep-hoe boring machining quality is improved.

Key words: accuracy, boring, deep-hole, surface roughness, ultrasonic vibration, weak stiffness

CLC Number:

V261

ZHANG Xiangyu, SUI He, ZHANG Deyuan, WU Ruibiao. The Improvement of Deep-hole Boring Machining Quality Assisted with Ultrasonic Vibration[J]. Journal of Mechanical Engineering, 2017, 53(19): 143-148.

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