ultrasonic vibration grinding

Ultrasonic vibration assisted grinding of hard and brittle linear micro ...

In this paper, a novel ultrasonic vibration assisted grinding (UVAG) technique was presented for machining hard and brittle linear micro-structured surfaces. The kinematics of the UVAG for micro-structures was first analyzed by considering both the vibration trace and the topological features on the machined surface. Then...

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An Experimental Investigation on Ultrasonic Vibration-Assisted ...

The present paper employed ultrasonic vibration-assisted grinding (UAG) to machine 2.5D woven SiO2f/SiO2 composites. By comparing the grinding force, surface microstructure, chip formation, surface topography and surface roughness with and without ultrasonic vibration for the machining of SiO2f/SiO2 composites, the...

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Study on Effect of Ultrasonic Vibration on Grinding Force and ...

Jun 11, 2014 ... Shock and Vibration is a peer-reviewed, Open Access journal that publishes original research articles as well as review articles on all aspects of shock and vibration, especially in relation to civil, mechanical, and aerospace engineering applications.

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An experimental study of ultrasonic vibration-assisted grinding of ...

An experimental study of polysilicon grinding with ultrasonic vibration assistance was presented. The two-dimensional (2D) vertical vibration was applied on the workpiece directly and vibrated...

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Effect of ultrasonic vibration in grinding; horn design and experiment ...

Nov 12, 2013 ... Ultrasonic vibration can be applied for grinding of difficult to cut materials, such as titanium, ceramics, etc., because the ultrasonic vibration in longitudinal direction can cause reduction of...

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Kinematics and experimental study on ultrasonic vibration-assisted ...

Ultrasonic-assisted grinding has been increasingly investigated for its advanced machining capability for hard-to-machine materials. Ultrasonic-assisted micro end grinding (UAMEG) is a promising...

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Ultrasonic vibration-assisted grinding of micro ... - CiteSeerX

Ultrasonic vibration-assisted grinding of micro- structured surfaces on silicon carbide ceramic materials. B Guo1,2*, Q-L Zhao1, and M J Jackson2. 1Center of Precision Engineering, School of Mechatronics Engineering, Harbin Institute of Technology, Harbin,. People's Republic of China. 2Center for Advanced...

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Ultrasonic vibration-assisted grinding of micro ... - SAGE Journals

Ultrasonic vibration-assisted grinding of micro- structured surfaces on silicon carbide ceramic materials. B Guo1,2*, Q-L Zhao1, and M J Jackson2. 1Center of Precision Engineering, School of Mechatronics Engineering, Harbin Institute of Technology, Harbin,. People's Republic of China. 2Center for Advanced...

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Physics-Based Predictive Cutting Force Model in Ultrasonic ...

Ultrasonic-vibration-assisted grinding (UVAG) or rotary ultrasonic machining has been investigated both experimentally and theoretically. Effects of input variables on output variables in UVAG of brittle materials and titanium (Ti) have been studied experimentally. Models to predict the material removal rate in UVAG of brittle...

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Effects of high power ultrasonic vibration on temperature distribution ...

Ultrason Sonochem. 2017 Nov;39:392-402. doi: 10.1016/j.ultsonch.2017.04.029. Epub 2017 Apr 22. Effects of high power ultrasonic vibration on temperature distribution of workpiece in dry creep feed up grinding. Paknejad M(1), Abdullah A(2), Azarhoushang B(3). Author information: (1)Department of Mechanical...

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An Experimental Investigation of Grinding Force in Ultrasonic ...

Abstract. This paper mainly describes the using self-designed ultrasonic vibration assisted internal grinding (UAIG) spindle on SiC ceramic materials for the experimental research on grinding force, and the different parameters of ultrasonic assisted grinding force were measured and analyzed. Meanwhile, the general...

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Study on wear of diamond wheel in ultrasonic vibration-assisted ...

The ultrasonic vibration-assisted grinding method has been widely used as a cost-effective machining method for hard and brittle materials. It is generally known that the ultrasonic vibration during grinding procedure causes the micro-fracture of the workpiece, which can improve grinding efficiency and provide better surface...

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An Experimental Investigation into Resonance Grinding of ...

Effort is generally made in the application of ultrasonic vibration to machining processes, [11-. 19]. However, Zhong and Yang, [9] and Zhong and Rui [10] used frequencies in the range of. 100 Hz in their experimental work to grind silicon wafers. The introduction of High Efficiency Deep Grinding (HEDG) in manufacturing...

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Experimental investigations on core drilling by ultrasonic-vibration ...

Ultrasonic-vibration-assisted grinding (UVAG), a hybrid machining process combining material removal mechanisms of diamond grinding and ultrasonic machining, has been used to machine various hard-to-machine materials. Large amount of research work on UVAG has been carried out since it is invented. However...

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Study of Micro Rotary Ultrasonic Machining - DigitalCommons ...

Being a vibration assisted machining process, heat generation in MRUM is low and therefore it is a potential .... Effect of presence and absence of ultrasonic vibrations on MRR (A = 1. µm, C = oil, G = M, t = 200 ..... RUM has also been referred to as Ultrasonic Impact Drilling [19] and Ultrasonic Vibration Assisted Grinding.

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US7692360B2 - Apparatus for ultrasonic vibration-assisted ...

Apparatus for ultrasonic vibration-assisted machining, the apparatus comprising an ultrasonic transducer for generating ultrasonic waves in a vibration horn; first clamp on the vibration horn at a static node of the ultrasonic waves; and a second clamp between the first clamp and a lowermost end of the vibration horn.

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2790. Removal mechanism of ultrasonic vibration and ELID ...

Abstract: To realize the high efficiency mirror surface grinding of hard brittle materials (such as nano-ceramic material), this work firstly constructs an experimental platform for workpiece ultrasonic vibration and ELID combined plane grinding according to the processing mechanism of ultrasonic vibration assisted grinding...

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Ultrasonic machining - Wikipedia

In rotary ultrasonic vibration machining (RUM), the vertically oscillating tool is able to revolve about the vertical center line of the tool. Instead of using an abrasive slurry to remove material, the surface of the tool is impregnated with diamonds that grind down the surface of the...

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Ultrasonic Wet-Milling and Micro-Grinding

Ultrasonic milling is especially suited to process micron-size and nano-size materials, such as ceramics, alumina trihydrate, barium sulphate, calcium carbonate and metal oxides. The tables below show microscopic images of the milling of alumina trihydrate (from 150 micron down to 10 micron), ceramics (from 30 micron...

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Ultrasonic filing

and opens up a new level of ultrasonic polishing. 2. From rough grinding to ultra-fine polishing—one set can do them. demo. Two types of polishing modes (Hard/Soft) are alternately available on a single set. The Hard mode keeps a constant vibration level against the thrust forces applied to the tool, thus leading to powerful...

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Pneumatic Ultrasonic Grinding Machine Reciprocating Ultrasonic ...

Cheap pneumatic vibrator, Buy Quality vibrator pneumatic directly from China grinder machine Suppliers: Pneumatic Ultrasonic Grinding Machine Reciprocating Ultrasonic Polishing Machine Ultrasonic Vibration Grinder.

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Ultrasonic vibration assisted grinding applications in machining of ...

Mar 3, 2016 ... Ultrasonic vibration assisted grinding applications in machining of bearing. With traditional grinding processing technology bearings, it was found that the surface roughness of the finished product is often less than expected, but also accompanied by the occurrence of surface burns. Even under ideal...

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laser ultrasonic dressing | Proceedings of the Royal Society of ...

Jan 18, 2017 ... As a new technique in grinding wheel dressing, laser-assisted ultrasonic vibration dressing effectively combines two-dimensional ultrasonic vibration with laser heating. This technique aims to solve low dressing efficiency and rapid wear, which have been the subject of numerous studies conducted on...

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Ultraprecision Cutting Of Molybdenum By Ultrasonic Elliptical

Abstract. The present research aims to carry out ultraprecision diamond cutting of hard and brittle materials by using ultrasonic elliptical vibration cutting method, and to demonstrate the feasibility of the technique. In this research, molybdenum test pieces were cut by both conventional diamond cutting and ultrasonic elliptical...

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Laser/ultrasonic-vibration combined dressing technique for diamond ...

In order to solve the problems such as low efficiency, bad precision, high cost and high tool wear in the turing of super abrasive grinding wheel, In this paper, a new dressing method of laser heating and ultrasonic vibration assistance is proposed. Under the advantages of ultrasonic vibration dressing methods, aided by...

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ultrasonic micro-grinding - Sonics & Materials, Inc.

Sep 11, 2009 ... The principle of ultrasonic micro-grinding is based on the high shear energy produced by cavitation. The ultrasonic probe's longitudinal vibrations are transmitted into the slurry as alternating high and low pressure ultrasonic waves. The pressure fluctuations pull the liquid molecules apart creating millions of.

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Experimental study on brittle–ductile transition in elliptical ...

It was also found that in the process there are two kinds of material removal modes, i.e., continuous cutting and discontinuous cutting modes, which are determined by the relationship between values of vibration amplitude and depth of cut. This study validates that the elliptical ultrasonic assisted grinding method is highly...

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Weilong (Ben) Cong - Texas Tech University Departments

Sep 1, 2017 ... steel parts fabricated by ultrasonic vibration-assisted laser engineered net shaping process,” Materials. Letters, Vol. 179, pp. 61-64. 14. Ning, F.D., Cong, W.L., Pei, Z.J., and Treadwell, C., 2016, “Rotary ultrasonic machining of CFRP: A comparison with grinding,” Ultrasonics, Vol. 66, pp. 125-132. 15. Ning...

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Vibration-Assisted Grinding with a Newly Developed ... - DTU Orbit

Jan 25, 2018 ... effect of ultrasonic vibration on drilling Inconel 718. Experimental results showed that lower thrust forces and longer tool life were achievable. The best vibration condition was 31.8 kHz for frequency and 4 lm for amplitude. The application of ultrasonic vibrations in grinding was also shown to reduce the.

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Theoretical modeling and experiments of oxide layer contact ...

Based on the fundamental laws of electrochemistry and grinding, the theoretical models of oxide layer contact stiffness for the ultrasonic vibration-assisted electrolytic in-process dressing grinding system and the electrolytic in-process dressing grinding system are established, respectively. The numerical simulation analyses...

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Fabrication of Microscale Tungsten Carbide Workpiece by New ...

Ultrasonic vibration shoe centerless grinding method. Illustrations of the new centerless grinding with ultrasonic shoe (a) and conventional centerless grinding. Figure 1. Illustrations of the new centerless grinding with ultrasonic shoe (a) and conventional centerless grinding with regulating wheel (b). The detail principle of...

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Actuator design for vibration assisted machining of high ...

Jun 15, 2017 ... The presented work shows the design of an ultrasonic actuator that enables vibration-assisted milling and grinding with ultrasonically modulated cutting speed. The actuator system superimposes a longitudinal torsional ultrasonic oscillation to the milling or grinding tool. It uses a bolt clamped Langevin...

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Ultrasonic assisted creep feed grinding and dressing of advanced ...

Abstract. The research involves the investigation of hybrid ultrasonic assisted creep feed grinding (UACFG) of advanced aeroengine alloys, in particular Inconel 718, CMSX-4 and gamma titanium aluminide (γ-TiAl). For tests with ultrasonic vibration, workpieces were actuated at a constant frequency (~20kHz) via a specially...

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Ultrasonic precision optical grinding technology - OptiPro Systems

Through extensive research and development, OptiPro Systems has introduced an ultrasonic assisted grinding technology ... Keywords: grinding, ultrasonic, OptiSonic, freeform, ceramics, IntelliSonic. 1. ... The data was analyzed after the test runs and it was discovered that the ultrasonic vibration reduced grinding forces by.

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Drilling High Precision Holes in Ti6Al4V Using Rotary Ultrasonic ...

Sep 12, 2017 ... [5] studied ultrasonic assisted drilling of Ti6Al4V and reported higher force reductions and higher temperature increments with the increase in vibration amplitude. Choi et al. [11] applied RUM for grinding Ti6Al4V, FCD700 and S45C materials and reported that lower cutting temperature and tool wear are...

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Ultrasonic Impact Grinding - Silfex

Silfex is the industry leader in ultrasonic machining utilizing our years of proprietary expertise and large capacity of the most highly advanced ultrasonic tools. Ultrasonic machining, also known as ultrasonic impact grinding, combines ultrasonically-induced vibrations with abrasive slurry to create accurate cavities of virtually...

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Experimental Research on Engineering Ceramics Grinding ... - dline

Aug 2, 2015 ... ABSTRACT: Engineering ceramics was machining based on grinding technology as major process method assisting with ultrasonic vibration, and the influences of grinding depth and worktable feed rate on the engineering ceramics surface roughness as well as the engineering ceramics topography was...

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Poster Presentations

Study on Force Characteristics of Ultrasonic Vibration-assisted Sawing Ceramics with Diamond Blade. X. Xiang, J. Shen, Z. Hu, X. Xu. P09. A Study on Erosion of Alumina wafer in Abrasive Water Jet Machining. Y. Wang, H. Zhu, C. Huang, J. Wang, P. Yao, Z. Zhang. P10. An innovative cooling method for grinding process...

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Ultrasonic horn design for ultrasonic machining technologies

Applications of ultrasonic vibration energy in machining technologies are realized by two different approaches. ... The amplitude of the resulting ultrasonic vibrations is inadequate for realization of the cutting process. ..... [10] Tawakoli, T., Azarhoushang, B., Influence of ultrasonic vibrations on dry grinding of soft steel,.

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ultrasonic vibration cutting: Topics by Science.gov

Further improvements of the process results can be achieved by superimposing a vibration in cutting direction and thus modifying the cutting speed at high frequency. The presented work shows the design of an ultrasonic actuator that enables vibration-assisted milling and grinding with ultrasonically modulated cutting...

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