• منطقة بودونغ الجديدة ، شنغهاي ، الصين .
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Study on Effect of Ultrasonic Vibration on Grinding Force and

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 technology is theoretically analyzed. Then, in order to reveal the effects of ultrasonic vibration and grinding parameters on …

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Review of ultrasonic vibration-assisted machining in …

These micro/nanostructured surfaces can exhibit numerous novel and excellent functions and features as compared to simple smooth ... Choi et al. used the …

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Research on the matching relationship between ultrasonic …

As a nontraditional type of processing technology, ultrasonic-assisted grinding (UAG) can effectively improve the surface integrity. A considerable research effort has been devoted to investigate the impact of various processing parameters on surface roughness. However, few studies have been conducted on the effects of matching …

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Conical Grinding Wheel Ultrasonic-Assisted Grinding Micro …

The rotating ultrasonic-assisted grinding (RUAG) experiment of the conical grinding wheel generated the intermittent pit-shaped micro-texture on the surface of the workpiece, reducing thermal damage and improving the lubrication characteristics compared with conventional grinding (CG). To further optimize the surface properties, this paper …

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Ultrasonic vibration-assisted grinding of micro-structured …

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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Ultrasonic vibration assisted grinding of hard and brittle linear micro

Micro-structured surface on hard and brittle material components, which required high surface quality, was still mainly fabricated by grinding or ultrasonic vibration-assisted grinding with micro ...

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Research on ultrasonic grinding ZrO2 ball valve with a cup …

The ultrasonic grinding experiment of the ZrO2 ceramic ball valves was carried out. The results showed that ultrasonic grinding reduced the maximum height difference of the workpiece surface, reduced by 28% compared with conventional grinding (CG). ... Material removal mechanism and force modeling in ultrasonic vibration-assisted …

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Fabrication of Micro Carbide Tools by Ultrasonic Vibration Grinding

In ultrasonic vibration-assisted grinding, the grinding wheel is vibrated in only one axis (1D) to fabricate micro features (diameter: 11–23 μm; length: 50–320 μm; aspect ratio: 3–18) [185], but the grinding wheel is vibrated in two or three axes in ultrasonic-assisted texturing to create the resulting surface textures.

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Effect of radial ultrasonic vibrations on wear properties of

Ding et al. reported that ultrasonic vibrations could enhance the self-sharpening ability by inducing micro-fractures of abrasive grains when grinding AISI 9310 steels, which effectively alleviated wheel clogging. At the same time, the stabilized wear phase of the grinding wheel was prolonged by 23.07% and the normal grinding force …

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Ultrasonic vibration assisted grinding of hard and brittle …

The truing and subsequent grinding experiments revealed that the radius of 11.63 μm achieved by the micro-grinding process was slightly larger than the 8.62 ...

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Ultrasonic vibration-assisted grinding of micro-structured …

This paper presents a review on ultrasonic-assisted grinding (UAG) of advanced materials, specifically investigating the effects of ultrasonication on material removal rates (MRR), grinding forces ...

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Study on grinding performance during ultrasonic vibration …

2.1 Experimental equipment. The equipment utilized in this experiment is a BLOHM Profimat MT-408 precision surface grinding machine, which boasts exceptional cooling capabilities with a flow rate of 90 L/min and pressure of 1.5 MPa, as depicted in Fig. 1.Here, the as-developed ultrasonic vibration system is erected on the worktable (Fig. …

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Simulation Study on Removal Mechanism of Si3N4 Ceramic …

2.1 Simulation Finite Element Model of Single Abrasive Rotary Ultrasonic Grinding 2.1.1 Finite Element Mesh Dividing. The construction of diamond grits and hot-pressing sintering Si 3 N 4 ceramic workpiece model is an important prerequisite for meshing. In order to save time cost in grinding simulation, many scholars have simplified …

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(PDF) 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 ...

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(PDF) Material Removal Mechanism and Force Modeling in Ultrasonic …

depth, revealing the mechanism of micro-grinding force transfer under ultrasonic vibration. The theoretical model's average deviations are 10.37% in x -axis direction, 6.85% in y -axis direction ...

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Ultrasonic vibration-assisted grinding of blind holes and …

A new ultrasonic vibration-assisted grinding (UVAG) technique for machining of the hard and brittle linear micro-structured surface was presented by Guo et al. . The results obtained corroborated the feasibility of UVAG in the machining of hard and brittle micro-structured surfaces with improved surface quality.

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A cutting force prediction model in axial ultrasonic vibration …

Axial ultrasonic vibration grinding (AUVG) is a novel hybrid machining technology with multiple benefits in terms of reducing cutting force, ... Li et al. [38] analyzed the critical depth of different material removal stages to calculate cutting forces of micro grinding. Although these models were helpful for giving a fundamental description of ...

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Kinematics and experimental study on ultrasonic

The ultrasonic vibration-assisted micro end grinding has been carried out for silica glass, and reduction in normal, tangential, and cross-feed direction grinding forces (up to 50%) have been ...

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Conical Grinding Wheel Ultrasonic-Assisted Grinding Micro …

The rotating ultrasonic-assisted grinding (RUAG) experiment of the conical grinding wheel generated the intermittent pit-shaped micro-texture on the surface of the …

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1/8" (3mm) Air Micro Grinder, Pneumatic Pencil Die Grinder…

1/8" (3mm) Air Micro Grinder, Pneumatic Pencil Die Grinder, 28000 RPM Free Speed, For Cleaning Dies, Rotors, Backing Plates, Brake Pads, Mounts, Etc. : Tools & Home Improvement ... Pneumatic Ultrasound Grinder Micro Pneumatic Air Pencil Die Grinder Kit, Grinding File Mini Pneumatic Tool High-Speed Bearing …

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Ultrasonic vibration assisted grinding of hard and brittle linear micro

The truing and subsequent grinding experiments revealed that the radius of 11.63 μm achieved by the micro-grinding process was slightly larger than the 8.62 ... Aiming at resolving these problems, rotary ultrasonic grinding (RUG) was proposed which has the advantages of high processing efficiency, low cutting force, and good surface …

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Study on force reduction mechanism in ultrasonic-assisted grinding …

Ultrasonic vibration-assisted grinding (UAG) has been proven to be a promising grinding ability improvement technique due to the grinding force reduction. However, the reduction mechanism is still unclear due to the lack of knowledge on material softening and grain—workpiece contact conditions in UAG. In this paper, we present a …

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Machinability of ultrasonic vibration-assisted micro-grinding …

Bone grinding is an essential and vital procedure in most surgical operations. Currently, the insufficient cooling capacity of dry grinding, poor visibility of …

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Study on the removal mechanism in multi-abrasive micro-grinding …

This study presents a micro-grinding simulation of a nickel-based single-crystal superalloy using a random three-dimensional multi-grind finite element model to address this gap. ... (2019) The grinding force modeling and experimental study of ZrO2 ceramic materials in ultrasonic vibration assisted grinding. Ceram Int 45:8873–8889. …

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NAKANISHI | Industrial | Micro Grinders

Micro Grinders. Micro Grinders are instruments for hand-held operations, which utilize the technology and know-how gained from the medical field of business. It can be used for deburring, grinding, finishing at work sites of various industries that …

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Ultrasonic vibration-assisted grinding of micro-structured …

The design of a novel ultrasonic vibration apparatus and the experimental investigation of ultrasonic vibration assisted grinding of SiC micro-structures are …

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Study on force modeling considering size effect in ultrasonic …

Ultrasonic vibration-assisted micro-end grinding (UAMEG) is a promising processing method for micro-parts made of hard and brittle materials. Grinding force is …

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Ultrasonic vibration mill-grinding of single-crystal silicon carbide

Ultrasonic vibration mill-grinding (UVMG) technique could be a technological approach to achieve thin SiC diaphragms with satisfactory machining efficiency, which is required for the fabrication of SiC pressure sensors. ... Ultrasonic vibration-assisted grinding of micro-structured surfaces on silicon carbide ceramic …

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Material removal mechanism and grinding force modelling of ultrasonic

Zhang [15] et al. carried out the study on UVAM (ultrasonic vibration-assisted micro end grinding) of silica glass, which indicated that UVAM was an efficient machining method to improve the present micro end grinding by a significant reduction of the grinding force and an improvement of the surface quality.

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A theoretical and experimental investigation on ultrasonic assisted

Ultrasonic assisted grinding (UAG) has been demonstrated to be effective for processing hard and brittle materials. In some of the current UAG models, the high efficiency of UAG was attributed to the great maximum momentary force brought by ultrasonic vibration. ... Modeling and experimental study on micro-fracture behavior and …

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