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Ultrasonic vibration-assisted grinding of silicon carbide ...

Jun 01, 2021  The actual vibration amplitude (AVA) during ultrasonic vibration-assisted face grinding (UVAFG) is an essential parameter that affects grinding force and surface quality. However, an effective method for the real-time measurement of AVA during grinding remains

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

Dec 21, 2011  The design of a novel ultrasonic vibration apparatus and the experimental investigation of ultrasonic vibration assisted grinding of SiC micro-structures are presented. The experimental results show that the application of ultrasonic vibration can enhance the ground surface quality and improve the edge features of micro-structures.

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Feasibility of Ultrasonic Vibration Assisted Grinding for ...

高达12%返现  May 13, 2019  Ultrasonic vibration assisted grinding (UVAG) is an effective method for edge trimming to improve the mechanical integrity of carbon fiber reinforced polymer (CFRP). However, due to the high heat resistance, abrasiveness and powdery chip of CFRP, serious tool clogging, rapid tool wear and poor surface are still considerable problems to the industry. In this

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

Ultrasonic vibration assisted micro end grinding (UAMEG) is a promising processing method for micro parts made of hard and brittle materials. First, the influence of ultrasonic assistance on the mechanism of this processing is theoretically analyzed. Then, in order to reveal the effects of ultrasonic vibration and grinding parameters on grinding forces and surface quality, contrast ...

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On the tool wear behavior during ultrasonic vibration ...

Sep 15, 2021  Ultrasonic vibration-assisted grinding (UVAG) as a newly-developed complex machining , exhibiting grinding and ultrasonic vibrating characteristics [, , ], has been widely used to machine difficult-to-cut materials, such as nickel-based superalloy [11,12], titanium alloy [], and composite materials [].Suárez et al. [] investigated the surface integrity in ultrasonic vibration ...

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Pneumatic Grinder Ultrasonic Vibration Grinding Polishing ...

Ultrasonic Vibration Micro Air Grinder Pencil Style Reciprocating Oscillating File Pneumatic Polishing Tool, 1/8 inch, 35000RPM 4.7 out of 5 stars 4. $46.99. Only 7 left in stock - order soon.

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Wear of diamond grinding wheel in ultrasonic vibration ...

Jan 28, 2014  高达12%返现  It is recognized that grinding efficiency and ground surface quality are determined by grinding wheel performance. Additionally, the investigation on wear behavior is essential for evaluating the grinding wheel performance. There is a lack of research on the tool wear behavior during ultrasonic vibration-assisted grinding (UAG), whose grain motion trajectory differs from that

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Formation mechanism and modelling of exit edge-chipping ...

Jun 01, 2020  Ultrasonic vibration grinding experiments on the formation of deep-small holes for microcrystalline-mica-ceramics were performed. The influences of the grinding parameters on the edge-chipping size were researched. This work could provide theoretical and process guidance to assist in realising high-efficiency and precision-machining of deep ...

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Surface roughness prediction model in ultrasonic vibration ...

Feb 12, 2018  高达12%返现  Pre-knowledge of machined surface roughness is the key to improve whole machining efficiency and meanwhile reduce the expenditure in machining optical glass components. In order to predict the surface roughness in ultrasonic vibration assisted grinding of brittle materials, the surface morphologies of grinding wheel were obtained firstly in the present work, the grinding

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(PDF) Research+on+Ultrasonic+Vibration+Grinding+of+the ...

Ultrasonic vibration grinding (UVG) which combines ultrasonic machining and grinding emerged as a developing and promising technique in recent years. In this paper, experimental studies on UVG were conducted on several kinds of hard and brittle material by altering processing parameters such as vibration frequency and its amplitude, diamond ...

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Study on Ultrasonic Vibration Assisted Grinding in Theory

In ultrasonic vibration assisted grinding (UAG) along the axial direction, the machining process of an abrasive grit is introduced in this paper. During the internal UAG, the critical speed is ...

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

Dec 21, 2011  The design of a novel ultrasonic vibration apparatus and the experimental investigation of ultrasonic vibration assisted grinding of SiC micro-structures are presented. The experimental results show that the application of ultrasonic vibration can enhance the ground surface quality and improve the edge features of micro-structures.

More

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

Ultrasonic vibration assisted micro end grinding (UAMEG) is a promising processing method for micro parts made of hard and brittle materials. First, the influence of ultrasonic assistance on the mechanism of this processing is theoretically analyzed. Then, in order to reveal the effects of ultrasonic vibration and grinding parameters on grinding forces and surface quality, contrast ...

More

An experimental study of ultrasonic vibration-assisted ...

The obtained results show that: (1) compared with conventional grinding, the axial ultrasonic vibration results in greatest improvement in the work surface quality and a slight reduction in the ...

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Study on formation mechanism and regularity of residual ...

Jun 01, 2021  Ultrasonic vibration grinding is an improvement of common grinding methods. Its main feature is to make the tool or workpiece undergo continuous ultrasonic vibration during processing. As a new type of special processing method, UVG has been

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Study on Effects of Ultrasonic Vibration on Grinding Force ...

The mathematical models of the dynamic grinding force and the average grinding force were established by introducing the unit grinding force Fu. And the formula of the average grinding force in the grinding zone was derived. The experiments were conducted in the traditional grinding (TG) mode and tangential ultrasonic vibration grinding (TUAG) mode.

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Ultrasonic Grinding Scientific.Net

Abstract: In this work, grinding test was performed in terms of machining parameters, such as grinding speed, feed rate, etc., in order to study effect of ultrasonic vibration in grinding. The design of experiment (DOE) approach was used for an optimal condition of ultrasonic assisted grinding, which can minimize the grinding forces.

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(PDF) Ultrasonic-Assisted Grinding of Ti6Al4 V Alloy

Ultrasonic assisted grinding (UAG) is an efficient method for overcoming the poor machinability of such materials. In this research, effect of imposed vibration on grinding of Ti6Al4V is studied ...

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ULTRASONIC 2nd Generation: ULTRASONIC grinding, milling ...

Jun 02, 2016  The ULTRASONIC from DMG MORI enables the economical machining of complex workpiece geometries in demanding high-tech materials like e. g. ceramics...

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Experimental investigation into effects of different ...

Jul 01, 2021  In order to compare the micro-forming characteristics of different ultrasonic vibration modes, the ultrasonic vibration of the forming tool and workpiece should be actuated by the same ultrasonic system [].To fit for the stringent requirement, our research group developed a 20 kHz ultrasonic vibration platform, which can stimulate the tool or workpiece with resonant vibration

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Investigations on tool clogging and surface integrity in ...

Jan 03, 2021  The slot grinding experiments with and without ultrasonic vibration were performed by using abrasive tools with defined grain pattern to improve tool life. The mathematical model of the fibre cutting angle in ultrasonic vibration-assisted slot grinding (USG) was established.

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Feasibility study on machining extra-large aspect ratio ...

Oct 21, 2021  Deep-holes are typical parts of aircraft structures, which is difficult to be machined. Boring assisted with ultrasonic vibration-assisted cutting has been proved to greatly enhance machining performance, especially for Ti6Al4V aviation alloy. This paper focuses on the machining extra-large aspect ratio (exceeding 20) of Ti6Al4V aviation deep-hole with the axial ultrasonic vibration-assisted ...

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US5984765A - Ultrasonic vibration composite grinding tool ...

Jul 12, 2018  An ultrasonic vibration composite grinding tool is disclosed wherein a plurality of small-sized grinding wheels are arranged for carrying out grinding of a ground material while applying vibration to the ground material, to thereby ensure stable operation of the grinding tool to accomplish efficient grinding of the ground material even when the ground material is large-sized.

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Study on Ultrasonic Vibration Assisted Grinding in Theory

In ultrasonic vibration assisted grinding (UAG) along the axial direction, the machining process of an abrasive grit is introduced in this paper. During the internal UAG, the critical speed is ...

More

(PDF) Research+on+Ultrasonic+Vibration+Grinding+of+the ...

Ultrasonic vibration grinding (UVG) which combines ultrasonic machining and grinding emerged as a developing and promising technique in recent years. In this paper, experimental studies on UVG were conducted on several kinds of hard and brittle material by altering processing parameters such as vibration frequency and its amplitude, diamond ...

More

Ultrasonic Vibration Assisted Grinding of Microstructures ...

The experimental investigation of ultrasonic vibration assisted grinding of microstructures on binderless WC is researched. The effects of ultrasonic vibration on surface roughness, form accuracy and edge radius were analyzed. The morphology of surface and array edges was examined with a scanning electron microscope (SEM), while the surface ...

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Ultrsonic Vibration Assisted Grinding Of Tungstem Carbide ...

The grinding wheel wear after longhours of work, so we detected the changes of surface quality to study the life of thewheel.(2) We designed and set up the ultrasonic vibration assisted grinding system tostudy the influence of the ultrasonic vibration on surface roughness, surface accuracyand grinding force for different grinding parameters.

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Study on Effects of Ultrasonic Vibration on Grinding Force ...

The mathematical models of the dynamic grinding force and the average grinding force were established by introducing the unit grinding force Fu. And the formula of the average grinding force in the grinding zone was derived. The experiments were conducted in the traditional grinding (TG) mode and tangential ultrasonic vibration grinding (TUAG) mode.

More

Mechanism and Experiment Study of Non-Contact Ultrasonic ...

In this paper, a non-contact ultrasonic grinding method is proposed and the machining mechanism of non-contact ultrasonic grinding is revealed. The resonant frequency of the ultrasonic vibration system and vibration amplitude of the grinding tool working face

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Ultrasonic Grinding Scientific.Net

Abstract: In this work, grinding test was performed in terms of machining parameters, such as grinding speed, feed rate, etc., in order to study effect of ultrasonic vibration in grinding. The design of experiment (DOE) approach was used for an optimal condition of ultrasonic assisted grinding, which can minimize the grinding forces.

More

Effect to the Surface Composition in Ultrasonic Vibration ...

Because of the changes in cutting conditions and ultrasonic vibration status, the proportion of multiple material removal modes are of uncertainty and complexity in ultrasonic vibration-assisted grinding of optical glass. Knowledge of the effect of machined surface composition is the basis for better understanding the influence mechanisms of surface roughness, and also is the key to control ...

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Amazon: Ultrasonic Vibration Micro Air Grinder Pencil ...

The advantages of small volume, feel is good, low vibration, low noise, and the advantages of speed and torque. It can use different jig for grinding operation, can clamping file or the grinding tools, such as the grooves in the mold or hardware products, R Angle and other manual processing.

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Ultrasonic vibration assisted Centerless Grinding using ...

Ultrasonic vibration assisted Centerless Grinding using surface grinder Simulation

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Application of ultrasonic vibration assisted MQL in ...

This work presents experimental investigations performed to evaluate the improvement in grinding performance of Ti–6Al–4V alloy using ultrasonic vibration assisted minimum quantity lubrication (UMQL) technique. The grinding experiments have been performed using an indigenously designed and fabricated UMQL setup.

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The Study on Ductile Removal Mechanisms of Ultrasonic ...

Experimental results showed that the critical ductility grinding depth of the nano-ZrO2 ceramics is up to 12 µm in common grinding methods, while in ultrasonic grinding is up to 20µm. The grinding chips with and without ultrasonic vibration assistance were discussed.

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Experimental investigation into effects of different ...

Jul 01, 2021  In order to compare the micro-forming characteristics of different ultrasonic vibration modes, the ultrasonic vibration of the forming tool and workpiece should be actuated by the same ultrasonic system [].To fit for the stringent requirement, our research group developed a 20 kHz ultrasonic vibration platform, which can stimulate the tool or workpiece with resonant vibration

More

Effects of tool design on edge chipping in ultrasonic ...

Edge chipping is an important quality parameter in ultrasonic-vibration- assisted grinding (UVAG) of advanced ceramics. In this paper, the effects of cutting tool design, including three different tool angles at tool end surface and wall thickness of the cutting tool (core drills), and process variables on edge-chipping are investigated using a finite element analysis (FEA) model.

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