Application of ultrasonic technique in grinding processes
The paper initially reviews research relating to ultrasonic (US) assisted grinding of various workpiece materials. Results from experimental trials to evaluate the influence of applying US vibration when creep feed grinding Inconel 718 with an open structured, alumina based grinding wheel (POROS 2) are then presented.
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A Micro Ultrasonic Grinding Device with Very High …
This paper deals with the development of an extremely high frequency ultrasonic transducer of magnetostrictive type with vibration frequency of up to 400kHz, and its application to ultrasonic grinding. This transducer provides longitudinal, torsional and complex modes of vibration. The application of this transducer to grinding or …
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Ultrasonic Wet-Milling and Micro-Grinding
Ultrasonication is an efficient means for the wet-milling and micro-grinding of particles. Besides dispersing and deagglomerating, the wet milling is an important application of Hielscher ultrasonic devices.. In particular for the manufacturing of superfine-size slurries, ultrasound has many advantages, when compared with common size reduction …
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Development of a Rotary Ultrasonic Machining Device and Its Application …
Ultrasonic-assisted grinding, a processing method hybridizing the conventional grinding and ultrasonic vibration (UV) machining, is employed as the one applicable machining method for hard-brittle ...
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Ultrasonic assisted grinding of advanced materials for …
This paper presents a review on ultrasonic-assisted grinding (UAG) of advanced materials, specifically investigating the effects of ultrasonication on material …
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Grindability of γ-TiAl intermetallic compounds during ultrasonic …
Gamma titanium-aluminum intermetallic compounds (γ-TiAl) have an important application significance in the field of aero-engines owing to their excellent mechanical properties (e.g., high-temperature resistance and high toughness). Grinding as an important method was used to realize the high efficiency and precise machining for …
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Ultrasonic Machining: Diagram, Working Principle, …
How does it work? Parts, Applications, Advantages, and Disadvantages of ultrasonic machining. Download the free PDF file of this article at the end of it. What is Ultrasonic Machining? Contents show.
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Ultrasonic Machining: Principles, Characteristics, Process …
Some commonly used applications include ultrasonic vibration turning, ultrasonic vibration grinding, ultrasonic machining of deep holes, small holes, and thread tapping, among others. Recommended for you: Welding Training 101: Everything You Need to Know; Welding Glossary: 292 Crucial Terms in Welding;
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Review of ultrasonic vibration-assisted machining in …
This overview covers the evolution of typical hardware systems used to achieve vibratory motions from the one-dimensional UVAM to three-dimensional UVAM, the discussion of cutting characteristics with periodic separation between the tools and …
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Study on force reduction mechanism in ultrasonic-assisted grinding …
Ultrasonic vibration-assisted grinding (UAG) is a non-conventional machining process, in which ultrasonic vibration is imposed on the grinding wheel or workpiece [].The superimposition of ultrasonic vibration can improve the grinding performance and the surface quality such as: reducing surface roughness [] and …
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Precision Grinding Technology of Silicon Carbide (SiC) …
In recent years, the ultrasonic grinding technology of hard and brittle materials has been developed rapidly [1,2,3].Ultrasonic grinding is the application of ultrasonic vibration on the grinding head or workpiece, so that the grinding head and the workpiece achieve ultrasonic frequency intermittent processing, so as to effectively …
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Application of ultrasonic vibration assisted MQL in grinding …
Madarkar et al. (2018) concluded that combined application of Ultrasonic Assisted Grinding (UAG) and MQL with vegetable oil reduces the cutting forces up to 38% in the tangential direction and 32% ...
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Experimental Investigation on Rotary Ultrasonic Face Grinding …
In order to improve the machinability and application of SiCp/Al composites, the rotary ultrasonic face grinding experiments of SiCp/Al composites reinforced with 45% volume SiC particles were carried out to investigate cutting force, surface quality, tool wear, and abrasive chip shapes.
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Micromachines | Free Full-Text | Design and Experimental …
Longitudinal-torsional composite ultrasonic vibration has been widely used in grinding. This paper aims to solve the problem that the resonance frequency deviates greatly from the theoretical design frequency and the vibration mode is poor when the horn is matched with a larger tool head. This paper presents how the longitudinal-torsional …
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What is Ultrasonic Machining? | Bullen Ultrasonics
We specialize in custom applications of Ultrasonic machining as a solution for hard, brittle, and specialty materials. How Ultrasonic Machining Works. In simple terms, UM combines two main elements: A tool of the desired end shape, and; A high-power sine wave generator + transducer induces the necessary ultrasonic frequency, 15-30 kHz.
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Edge damage prediction and analysis of ceramic restorations …
It has proved the application of ultrasonic-assisted technique in dental grinding can reduce edge damage and improve surface quality of ceramic restorations. Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the …
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Process of Ultrasonic Machining
Applications. Ultrasonic machining can be used to drill holes in almost all types of materials, such as metallic, ceramic, and plastic materials. ... An experimental investigation of rotary ultrasonic grinding of ceramic disks. Technical papers of NAMRI/SME, pp 67–72. Google Scholar Komaraiah M, Reddy PN (1993) A study on the …
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Effect of ultrasonic vibration in grinding; horn design and
Ultrasonic vibration can be applied for grinding of difficult to cut materials, such as titanium, ceramics, etc., because the ultrasonic vibration in longitudinal direction …
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Ultrasonic assisted grinding process with minimum quantity …
A possible strategy to increase the engagement of contacting grains in the grinding zone is to impose a high frequency (>16 kHz) and low amplitude (2–30 μm) …
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New systematic and time-saving procedure to design cup grinding …
Since glass and ceramic materials have beneficial properties, they have gained more importance in numerous technical applications during the last 30 years. For example, nowadays, ceramics are used as artificial hip joints or as mechanical seals for highest relative speeds. Glass components are used for multitude of optical …
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Ultrasonic Machining: Diagram, Working Principle, Applications
The term ultrasonic is used to describe a vibratory wave of the frequency, that is above the upper-frequency limit of the human ear, i.e. above 16 kHz.. The device for converting any type of energy into ultrasonic waves is the ultrasonic transducer.. This electrical energy is converted into mechanical vibrations.
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Development and characterization of a rotary ultrasonic grinding …
In the field of ultrasonic grinding of SiCp/Al composites, the resonant tool system plays a crucial role in grinding. However, large-size cup wheels have been rarely investigated within this domain. To this end, an effective method is proposed for designing a rotary ultrasonic grinding tool with a large-sized cup wheel. The cup wheel transformer …
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Effect of temperature and radial force on the transmission …
IET Electric Power Applications is a fully open access journal covering influential research on a wide range of applications and apparatus in the power field. ... vibration and heat. However, in rotary ultrasonic grinding, the varieties of temperature and mechanical load will greatly impact the transmission performance of the contactless …
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Experimental investigation of rotary ultrasonic grinding …
Ceramics are finding widespread application in the fabrication of several components for engineering applications, because of the low cost of the raw material and the attractive properties associated with them. This paper investigates the application of rotary ultrasonic grinding for grinding of ceramic substrates (canasite) for computer hard ...
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Application of ultrasonic technique in grinding processes
DOI: 10.1016/0020-7357(68)90004-8 Corpus ID: 109399680; Application of ultrasonic technique in grinding processes @article{Kaliszer1968ApplicationOU, title={Application of ultrasonic technique in grinding processes}, author={H. Kaliszer and M. E. Limb}, journal={International Journal of Machine Tool Design and Research}, year={1968}, …
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Longitudinal ultrasonic vibration effects on grinding …
Different from side grinding, the application of ultrasonic vibration reduces the F n in all parameters of V f to a similar extent. However, the application of ultrasonic vibration does not reduce the F t. Moreover, when the V f is 65 mm/min, the values of F n and F t are the greatest which are 2.48 N and 1.62 N.
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Advances in rotary ultrasonic machining system …
The traditional ultrasonic machining method uses an ultrasonic vibration tool for abrasive hammering, polishing, hydraulic impact, and the resulting cavitation in an abrasive liquid medium, which …
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Grindability Evaluation of Ultrasonic Assisted Grinding of …
Additionally, the introduction of ultrasonic vibrations with the SiO2 nanofluid in MQL system was found to reduce the specific grinding energy, normal grinding forces, tangential grinding forces, and surface roughness by 65%, 57%, 65%, and 18% respectively. Finally, regression analysis was used to obtain an optimum parameter …
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A grinding force model in two-dimensional ultrasonic-assisted grinding
Ultrasonic-assisted grinding (UAG) is a hybrid machining method and is generally considered as an effective machining solution for hard and brittle materials. ... The results demonstrated that the application of ultrasonic vibration was beneficial to improve the material removal rate and to increase the critical depth of brittle-to-ductile ...
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Investigation on machining characteristics of TC4 alloy by …
The schematic diagram of simultaneous application of UVAM and MQL techniques is illustrated in Fig.1, which mainly consists of a vertical machining center, an ultrasonic vibration generation system, an MQL supply system and a cutting force acquisition system.As illustrated in Fig. 1, the external ultrasonic vibration excitation is …
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