201857 · High-volume fraction silicon carbide-reinforced aluminum matrix (SiCp/Al) composites are widely used in many industrial fields due to their excellent material properties. However, these composites are regarded as one of the most difficult-to-machine materials, owing to the presence of many hard and brittle SiC reinforcements. Rotary …
view more20191127 · However, there were no reported investigations on effects of machining variables on delamination in RUM of CFRP composites. This investigation, for the first time, reported the effects of ultrasonic power, tool rotation speed, and feedrate on delamination as well as its associated cutting force.
view moreIn rotary ultrasonic machining (RUM), the yutilization of contactless energy transfer (CET) theory addresses the limitations imposed by traditional contact power supply systems on rotational speed, however, it also introduces the challenge of inadequate transmission performance. Specifically, impedance variations of oscillator pose challenges for the CET …
view more2024111 · The rotary ultrasonic vibration machining (RUM) system composed of ultrasonic transducers, machining tools, and inductive contactless power transmitter (ICPT) plays an important role in precision and efficient ultrasonic machining of difficult-to-machine materials. Due to the influence of leakage inductance, self-inductance of ICPT, the …
view more2023715 · Abstract In order to be used in the CNC machining center, one rotary ultrasonic machining (RUM) system needs to adapt to various cutting tools. Corresponding ultrasonic vibration units are often designed to work in a local resonant state rather than a full resonant state due to the diversity and complexity of tool shapes. Since the frequency …
view more201841 · Semantic Scholar extracted view of "Reducing edge chipping defect in rotary ultrasonic machining of optical glass by compound step-taper tool" by Jianjian Wang et al.
view more202351 · The existing method of contactless power transfer based on inductive power transfer (IPT) used in rotary ultrasonic machining (RUM) involves a small t…
view more4 · Purpose The purpose of this study to identify and optimize the machining of polyvinyl butyral (PVB) material for industrial uses. The research is based on input machining parameters of rotary ultrasonic machining for better understand the output response surface roughness (SR) property of polyvinyl butyral (PVB) by using the …
view more202091 · Compared to conventional machining (CM), ultrasonic vibration-assisted machining (UVAM) with high-frequency and small-amplitude has exhibited good cutting performances for advanced materials. In recent years, advances in ultrasonic generator, ultrasonic transducer, and horn structures have led to the rapid progress in the …
view more201511 · Rotary ultrasonic machining (RUM) [ 8, 9] is the technique involving the vibration of a small grinding toll, which is excited and simultaneously rotated. The technique permits increase in machining speed and decrease in machining forces, a useful condition for machining with fragile tools.
view moreBased on over 30 years' experiences in design, production and service of crushing and s
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