Abrasive wear of a single CBN grain in ultrasonic-assisted high
Research shows that the main forms of abrasive wear during ultrasonic-assisted grinding are shearing wear and removing wear. However, common grinding leads to micro-crushing wear and a small amount of abrasion wear; the different forms of Volume 300, February 2022, 117420 Establishment of dynamic grinding force model for ultrasonic-assisted single abrasive high-speed grinding Xiaofei Lei,Daohui Xiang,Establishment of dynamic grinding force model for
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Effects of ultrasonic vibrations on brazing mechanism and
In this paper, CBN grinding tools were prepared by ultrasonic vibration–assisted induction brazing (UVAIB) process in order to improve the At present, the tangential ultrasonic vibration-assisted profile grinding (UVAPG) is an effective method for machining the blade roots. During UVAPG, the wheel Alumina abrasive wheel wear in ultrasonic vibration
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Ultrasonic vibration-assisted (UV-A) manufacturing
Based on the ultrasonic energy propagation through solid or liquid phases, UV-A manufacturing processes can be divided into mechanical manufacturing processes In this paper, two-dimensional elliptical ultrasonic vibration abrasive belt grinding is developed which the heat of grinding, tool wear, and grinding force can be Study on abrasive belt grinding process assisted by ultrasonic
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Ultrasonic vibration-assisted grinding of silicon carbide
The actual vibration amplitude (AVA) during ultrasonic vibration-assisted face grinding (UVAFG) is an essential parameter that affects grinding force and surface An ultrasonic vibration assistant grinding for linear micro-structures was presented. • The micro-structures are affected by both of ultrasonic vibration and tilted Ultrasonic vibration assisted grinding of hard and brittle
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Grinding characteristics during ultrasonic vibration assisted
Researchers have investigated a variant of UAM, ultrasonic vibration assisted grinding (UAG or UVAG) to improve the grinding characteristics of hard-to Ultrasonic vibration assisted grinding (UVAG) was usually applied to improve the machinability of materials and machining quality by changing the relative Study on grinding performance during ultrasonic vibration
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Simulation Study on Removal Mechanism of Si3N4 Ceramic in
Hot-pressed Si3N4 ceramic is a kind of high-performance ceramic material, which is widely used in national defense, aerospace, and other professional fields. Aiming at the problem of poor surface quality of Si3N4 ceramic material, the paper carried out a simulation study on the removal mechanism of Si3N4 ceramic by rotary ultrasonic Research on ultrasonic vibration grinding technology of SiCp/Al composites[J]. Diamond & Abrasives Engineering, 2022, 42(6): 713-719. doi: 10.13394/j.cnki.jgszz.2022.0016. LIU Ling, ZHANG Qun, et al. Simulation of formation mechanism of machined surface defects in ultrasonic grinding of SiCp/Al composites [J]. Journal of SolidSiCp/Al复合材料超声振动研磨工艺研究
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Study on Grinding Force of Two-Dimensional Ultrasonic
The grinding force is an important index during the grinding process, which affects the surface quality and other aspects after machining. However, the research on the grinding force of ceramic matrix composites assisted by two-dimensional ultrasonic vibration-assisted grinding is very weak. In this paper, the impact of the relationship Compare the number of effective abrasives obtained from the two methods, and then the mean density of effective abrasive (2020) Formation mechanism and modelling of exit edge-chipping during ultrasonic vibration grinding of deep-small holes of microcrystalline-mica ceramics. Ceram Int 46(8, Part B):12458–12469. https://doiGrinding force model for longitudinal-torsional ultrasonic
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Material removal behavior and crack-inhibiting effect in ultrasonic
Nevertheless, the development of ultrasonic-assisted grinding technology is restricted by the lack of an in-depth understanding of the mechanism of ultrasonic-assisted grinding and crack propagation. At present, many scholars and research institutions have conducted considerable research on the machining mechanism of Yanyan Y, Xu P, Jicheng F, Jiawei H (2012) Influence of adjacent grit trajectory on grinding process in 2D ultrasonic vibration grinding. China Mech Eng 23(22):2652–2655. Google Scholar Zhe L, Chuanzhen H, Zhu H, Wang J, Wang Y, Peng Y (2015) A research on ultrasonic-assisted abrasive waterjet polishing of hard-brittle Research on unbounded abrasive polishing process with assisted
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Surface roughness prediction model in ultrasonic vibration
In order to validate both the proposed theoretical and GPR models, 32 sets of experiments of ultrasonic vibration assisted grinding of BK7 optical glass were carried out. Experimental results show that the average relative errors of the theoretical model and GPR prediction model are 13.11% and 8.12%, respectively.In rotary ultrasonic machining abrasives are fixed in tool tip instead of free abrasives. (ii) The force required for RUM is low compared to conventional diamond grinding and stationary ultrasonic machining. (iii) MRR is about 10 times faster comparing with ultrasonic machining. (iv) Little damage to workpiece and long tool life. (v)Rotary Ultrasonic Machining–New Strategy of Cutting and
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Study on wear simulation of diamond abrasive tool for rotary ultrasonic
Keywords Ultrasonic grinding Diamond grit Abrasive-tool wear Abrasive-tool wear 1 Introduction Diamond is a key raw material for the preparation of high-quality abrasives with its high hardness, good wear resist-ance, long service life, and excellent thermal conductivity [1]. Abrasive machine is mainly composed of abrasive parti-Subsequently, finger-shaped CBN grinding tools were prepared by the UVAIB and CIB approaches, and the superiority of the grinding performance of ultrasonic vibration–assisted brazed abrasives was verified by grinding tests on Ti-6Al-4 V. Section 2 describes the UVAIB equipment, the abrasive grain shear trial, and the grinding Effects of ultrasonic vibrations on brazing mechanism and
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(PDF) Experimental investigation of damage formation and
Ultrasonic assisted grinding (UAG) has been considered as a prominent processing method of the reaction bonded silicon carbide (RBSiC). To improve the knowledge of UAG process, both conventionalThe ultrasonic vibration grinding test is carried out on the SiCp/Al material with a volume fraction of 40% by using a resin-bonded diamond YUAN Xu, GU Yan. Research on ultrasonic vibration grinding technology of SiCp/Al composites[J]. Diamond & Abrasives Engineering, 2022, 42(6): 713-719. doi: 10.13394/j.cnki.jgszz.2022.0016.Research on ultrasonic vibration grinding technology of SiCp/Al
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Study on Grinding Force of Two-Dimensional Ultrasonic
The grinding force is an important index during the grinding process, which affects the surface quality and other aspects after machining. However, the research on the grinding force of ceramic matrix composites assisted by two-dimensional ultrasonic vibration-assisted grinding is very weak. In this paper, the impact of the relationship between the Currently, ultrasonic grinding has been widely utilized in the processing of challenging materials such as titanium alloys [21,22], nickel-based alloys [23,24], ceramics [25,26], and compositeReview of ultrasonic vibration-assisted machining in
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Design of a defined grain distribution brazed diamond grinding
Design and characteristic investigation on straight grinding wheel tool holder with different bonds and abrasives for rotary ultrasonic grinding. 2023, The performed analyses on machining characteristics of ultrasonic grinding tool holders with different bonds and abrasives grinding wheels provide a theoretical and experimentalResearch into the single grain cutting mechanism is important for understanding complex grinding mechanisms. Based on the characteristics of ultrasonic vibration, the motion equation of the grain is established, and the generated trajectory is theoretically analyzed. By adopting the method of combining high-speed grinding Abrasive wear of a single CBN grain in ultrasonic-assisted high
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Formation mechanism and modelling of exit edge-chipping during
For the abrasives on the wheel circumference, the ultrasonic vibration increased the axial scratch effect of the abrasives, and decreased the force of the abrasives on the wheel circumference during the grinding of the small-deep holes, which resulted in a decrease in the edge-chipping index.abrasives on the grinding wheel end face rstly cut into the unmachinedmaterial,whichleadstoshearing-formingchips or brittle-fracture chips (here de ned as the rst grinding zone); inner margin abrasives only encounter the machined material,whichmainlyleadtosliding,ploughing,andrepeat-edly ironing the machined Research Article Study on Effect of Ultrasonic Vibration on Grinding
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Design and characteristic investigation on straight grinding wheel
Studies show that in grinding hard and brittle materials, rotary ultrasonic grinding (RUG) outperforms conventional grinding (CG).In order to realize the application of a large-load straight grinding wheel in RUG, it is necessary to construct the design principle of an annular plate grinding wheel amplitude transformer. To this end, tool The surface residual stress of 45 steel is subjected to axial ultrasonic vibration assisted grinding, the model's parameters are determined, and the rationality of the model is verified. Key words： Axial ultrasonic vibration residual stress modeling cutting resistance heat source intensity. Received: 26 May 2016 Published: 15 November 2017.Modeling on Grinding Surface Residual Stress Assisted with Axial
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