The introduction of ultrasonic vibration in the grinding process of γ-TiAl intermetallic compounds can significantly reduce its processing difficulty. It is of great significance to understand the grinding mechanism of γ-TiAl intermetallic compounds and improve the processing efficiency by studying the mechanism of ordinary grinding of abrasive …

Ultrasonic vibration-assisted grinding (UVAG) has attracted plenty of attention to significantly improve surface integrity. However, existing research has not systematically investigated the effect of vibration directions during UVAG at atomic and nanoscales, limiting our understanding of the plastic deformation mechanisms and …

To verify the collision number model, five-factor and four-level orthogonal ultrasonic dressing experiments are carried out. In the dressing process, an ultrasonic vibration with a frequency of 35.2 kHz and an amplitude of 0-3 μm was imposed on the grinding wheel by the ultrasonic power. The dressing experimental parameters are …

Research 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 …

IET Electric Power Applications is a fully open access journal covering influential research on a wide range of applications and apparatus in the power ... vibration and heat. However, in rotary …

The results demonstrated that ultrasonic grinding could reduce the surface roughness, normal grinding force and thermal damage, where the normal grinding force could be reduced by 60 %. ... to high frequency and high acceleration impact force and the increase of maximum undeformed chip thickness due to the application of radial …

Ultrasonic-assisted grinding, a promising processing technique for machining hard and brittle materials, is already quite extensively employed in manufacturing industries. However, the material removal mechanism in ultrasonic-assisted grinding is not yet fully understood, which hinders its further application. This study investigates …

The application of ultrasonic vibration on the material leads to a softening effect, which brings about alterations in the microstructural and mechanical properties of the surface and subsurface layers, causing an impact on the material removal mechanism. ... Ultrasonic vibration grinding (UVG) is extensively employed to address the machining ...

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 …

The application area of rotary ultrasonic machining (RUM) in micro domain has also been highlighted. It is extensively useful for generation of micro feature like micro hole, micro channel, complex micro cavity ... It is also known by others name as ultrasonic drilling, ultrasonic grinding and ultrasonic twist drilling . 3.1.3 Basic ...

The application of biodegradable lubricants (vegetable oil based) to the grinding process was found to improve the machining performances of the UAG process, achieving almost the same performance as the non-biodegradability lubricants. This paper presents a review on ultrasonic-assisted grinding (UAG) of advanced materials, specifically investigating …

In this paper, CBN grinding tools were prepared by ultrasonic vibration–assisted induction brazing (UVAIB) process in order to improve the performance of tools for grinding of difficult-to-cut materials. The surface morphology of the abrasives and the bond strength of the brazed joints were investigated. ... If the ultrasonic application time ...

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 …

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.

Referring to conventional grinding, the application of ultrasonic vibration reduces the force, force ratio, specific energy, and the reduction ratio is direction dependent. The effect on surface roughness and morphology is also anisotropic. Regarding the smoothness of the surface, the suitable directions were axial and tangential, while …

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 ...

C/SiC composite material is the best choice for important parts such as the hot-end structure of aerospace vehicles. Research and optimization of the cutting force of ultrasonic vibration-assisted …

Ultrasonic-assisted grinding processing can effectively reduce the surface roughness and enhance the processing efficiency in the processing of hard and brittle materials. However, the most common ultrasonic assisted grinding is a type of contact ultrasonic grinding where the grinding tool directly contacts the workpiece, which …

Abstract. A presentation describing the theory of ultrasonics and how ultrasonic technology is applied to precision cleaning. This presentation will explore the importance and application of ultrasonics in precision …

In order to further demonstrate the advantages and application prospects of ultrasonic vibration assisted grinding (UVAG) in ceramic dental restorations, this paper focused on friction and wear ...

Abstract. To reveal the material removal mechanism of silicon carbide fiber reinforced silicon carbide ceramic matrix (SiCf/SiC) composites during the ultrasonic vibration helical grinding (UVHG) of hole-making process, a hole-making experiment of UVHG was conducted, and the contact behavior between a grain and different …

In 1964, the British scholar Legge proposed an ultrasonic machining method without abrasive slurry, which combined traditional ultrasonic machining with grinding machining; this method proved efficient and improved the material removal rate over traditional ultrasonic machining, 3 as shown in Figure 1.When the cutting tool for …

Moreover, it is well known that ultrasonic grinding also has superior performance in machining brittle materials, even better than ductile material [37].Feng et al. found that when machining brittle materials, ultrasonic tool vibration can produce a periodic impact force on the material surface to generate more cracks with smaller sizes, which is beneficial for …

It is found that the application of ultrasonic energy diminishes the torque required, the stress over the shafts and the total energy consumed for the same grinding results. In addition, a reduction in the erosion of the grinding surfaces was found. The optimal value of the applied ultrasonic power was determined by measuring the specific rate ...

In conventional grinding of hard to cut materials such as Ti6Al4 V alloys, surface burning, redeposition and adhesion of chips to the grinding wheel and workpeice occur visibly unless it is carried out at low speeds and with high volume of cutting fluid.Ultrasonic assisted grinding is an efficient machining process which improves the …

An overview of ultrasonic machining and applicationsUltrasonic machining (USM) is a non-conventional mechanical material removal process generally associated with low material removal rates, however its application is not limited by the electrical or chemical characteristics of the workpiece materials. ... Kaczmarek, I., Impact Grinding ...

Dentistry Applications: Ultrasonic Machining enables dentists to drill holes of any shape in teeth without causing pain, providing a precise and painless dental treatment experience. Grinding of Quartz, Glass, and Ceramics: It is used for the precise grinding of materials like Quartz, Glass, and ceramics, ensuring high-quality surface …

Application of ultrasonic vibrations in machining process (ultrasonic machining) Machining is considered as an inevitable metal working operation. Machining is a term that is primarily employed to describe different sets of material removal processes which generally employ a cutting tool that is intended to removes unwanted material …

This study used a forming grinding wheel to machine an involute spur gear with ultrasonic vibration applied to the gear in order to improve the gear processing technology and enhance the gear processing effect. Conventional grinding and ultrasonic vibration-assisted forming grinding gear (TUVA-FGG) tests were carried out. The …

Ultrasonic vibration-assisted dry grinding has been focused on to alleviate the cutting fluids' negative impact on environment, avoid the unnecessary waste, and reduce the manufacturing costs. ... Henan Province Engineering Research Center of Ultrasonic Technology Application, Pingdingshan University, Pingdingshan, 467000, …