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·In this paper the ultrasonic vibration assisted grinding is studied and a new method is provided to solve the problem of matching the machine tool system and the ultrasonic system By establishing the matching model this problem is theoretically solved optimally Moreover the abrasive grain motion equations the removal rate model and grinding force
·Based on the micro removal mechanism of the ultrasonic vibration assisted grinding UVAG a new prediction model of alloy structural steel is proposed in this paper In the grinding process the abrasive grains mainly go through two stages plowing stage and chip forming stage Then grinding force model of single grain under different material removal
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·Self excited regenerative vibration a well known endogenous excitation mechanism has a critical influence on material removal behavior and ground surface generation in a precision grinding process During ultrasonic vibration assisted grinding UVAG one dimensional or two dimensional ultrasonic vibration exerted to abrasive wheel or workpiece in
·To study the work hardening of nickel based superalloy during vibration assisted grinding using cubic boron nitride CBN tool a vibration assisted grinding model of nickel based superalloy was established by means of molecular dynamics MD simulation Through in depth analysis of dislocation proliferation and movement within the workpiece the influence of
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·The ultrasonic vibration assisted grinding UVAG technique is a combined machining method that can improve the grinding efficiency or surface quality by applying ultrasonic vibration UV on the grinding wheel which is especially suitable for brittle materials In the actual manufacturing and machining the appropriate UV direction must
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·Ultrasonic vibration assisted grinding UVAG is an advanced hybrid process for the precision machining of difficult to cut materials The resonator is a critical part of the UVAG system Its performance considerably influences the vibration amplitude and resonant frequency In this work a novel perforated ultrasonic vibration platform resonator was developed for
·This paper proposes a workpiece vibration grinding device suitable for UVAG to study the corresponding grinding mechanism The vibration characteristics of the ultrasonic generator were discussed based on finite element simulation and the vibration situation of the device was tested with instruments to verify the accuracy of the simulation
·The machining quality of the blade tip has a great influence on the service performance and life of the aero engine blade The recent paper investigates the effect of vibration during the grinding process of the GH4169 nickel based superalloy blade tip Moreover this paper proposes a theoretical model to link the unbalance of the grinding wheel the
·Ultrasonic assisted grinding UAG is an outstanding technology suitable to machine advanced ceramics During UAG the effect of ultrasonic vibration on grinding process is mainly determined by matching performance between grinding and vibration parameters in theory However this problem is still lack of deep study With an objective to study the matching
·DOI / Corpus ID 138685324; Material removal mechanism and grinding force modelling of ultrasonic vibration assisted grinding for SiC ceramics article{Li2017MaterialRM title={Material removal mechanism and grinding force modelling of ultrasonic vibration assisted grinding for SiC ceramics} author={Chen Li and Fei
·based superalloy by ultrasonic vibration assisted UVA grinding and compared the grinding force of conventional grinding and vibration grinding and the inuence on work piece surface quality The results show that vibration grind ing can reduce the grinding force on the workpiece and improve the removal rate and surface quality of the material
·Through the vibration signal testing the motion law of grinding media of vibration mill and the regulation of grinding media group acting on the mill cylinder are analyzed
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·Cemented carbides are widely used in aerospace and mechanical processing industries due to their excellent physical and chemical properties However cemented carbide products processed by conventional methods have such deficiencies as poor surface integrity high surface roughness and high consumables Given this a method for machining blind