2014.1.1 Ultrasonic machining (USM) is a nontraditional mechanical machining process and can be used in many applications. This chapter presents USM and rotary
Read More1998.3.1 The fundamental principles of ultrasonic machining, the material removal mechanisms involved and the effect of operating parameters on material removal rate,
Read MoreAbstract. The ultrasonic machining (USM) process consists of two methods, namely, ultrasonic impact grinding and rotary USM. This article lists the major ultrasonic
Read More2023.8.22 This is because ultrasonic vibration breaks the long grinding arc, the impact cutting trace of the previous wear particle will be cut away by the next wear
Read More2023.8.10 As one of the most representative hard and brittle materials, many scholars have studied the ultrasonic grinding properties of SiC ceramics. These studies focus on
Read More2023.5.1 An overview of the influence of ultrasonic vibration machining on the machining properties of SiCp/Al composites is presented in this study, covering different
Read More2020.12.16 Ultrasonic assisted grinding (UAG) is an effective and precise machining method combining ultrasonic vibration with traditional grinding technology . As a
Read More2023.1.15 Ultrasonic vibration-assisted grinding (UVAG) is a kind of ultrasonic machining, which is a precision machining technology combining high-frequency ultrasonic vibration with conventional grinding (CG).
Read More2020.8.19 In general, grinding process may be compared to material removal by multiple moving indenters. Generally, the forces in grinding are resolved into tangential
Read More2022.4.19 Ultrasonic machining is a non-conventional mechanical material removal process, which was introduced in 1950 by Kumabe for machining both metallic and non-metallic materials. 32 During the
Read MoreThe process is configured into two main types (Fig. 1a–b) depending upon how the force is transferred from the vibrating tool to the work surface.If the transfer of vibration energy is achieved by introducing a liquid containing abrasive grits in the gap between the tool and work surface, the process is called “ultrasonic impact grinding” or simply “ultrasonic
Read More2022.6.16 Ultrasonic strengthening grinding process (USGP), which uses fused ceramic balls, brown corundum, and strengthened liquid for treating target samples is an ef ficient ap- proach for obtaining ...
Read More2023.7.1 In this study, Ultrasonic Surface Rolling Technology is applied to the grinding process of bearing steel. By comparing the effects of four different process combinations, namely coarse grinding, coarse grinding+fine grinding, coarse grinding+USRT, and coarse grinding+fine grinding+USRT, on the surface integrity and
Read More2020.12.16 Ultrasonic assisted grinding (UAG) is an effective and precise machining method combining ultrasonic vibration with traditional grinding technology . As a composite machining technique, UAG is a non-thermal process, which may obtain high material removal rate (MRR) while keeping low cutting pressure, thus, leading to relatively
Read More2023.8.10 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
Read More2021.9.14 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 means
Read More1998.3.1 Ultrasonic 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. It is used for machining both conductive and non-metallic materials; preferably
Read More2023.3.18 Ultrasonic-assisted machining of silicon carbide (SiC) ceramic matrix composites (CMCs) has the ability to decrease grinding force and improve processing quality. The machining process often produces large cutting forces which cause defects, such as delamination and burrs, due to the brittleness and high hardness of the material.
Read More2023.1.28 This rotary motion of the tool causes the grinding process to impact simultaneously with micro chipping action of the ultrasonic process resulting in higher machining quality and MRR [18], [19]. The hybrid process has a tool impregnated with diamond abrasive, eliminating the need for abrasive slurry, which vibrates and is fed with
Read More2023.1.28 This rotary motion of the tool causes the grinding process to impact simultaneously with micro chipping action of the ultrasonic process resulting in higher machining quality and MRR [18], [19]. The hybrid process has a tool impregnated with diamond abrasive, eliminating the need for abrasive slurry, which vibrates and is fed with
Read More2023.7.25 After the grinding process, the workpiece was placed in an acetone solution and cleaned with an ultrasonic cleaner for 5 min. The optical microscope (HIROX KH-7700), SEM (EM30 COXEM), and a three-dimensional contour microscope (Sensofar S Neox) were employed to obtain morphologies on the machined surface. ... In addition,
Read More2021.3.3 Carbon fiber–reinforced plastic (CFRP) composites are extensively being applied in manufacturing sectors because of their extraordinary characteristics. However, CFRP composites often require some extra machining processes to improve the dimensional accuracy and component integrity of CFRP composites in manufacturing
Read More2017.8.28 ultrasonic tool can be manufactured which has multiple small diameter pins, and using the ultrasonic impact grind-ing process, hundreds of holes can be machined at once [4]. More recent papers have also been published using ultra-sonic impact grinding to drill high-quality holes in titanium alloys [5, 6]. The disadvantage of using ultrasonic
Read More2021.8.1 This characteristic generally exists in the ultrasonic grinding and filing process because the vibration is vertical to the feed direction and parallel to the machining surface. The ultrasonic grinding (Wang et al., 2014) and filing (Wang et al., 2016) are conducted on the advanced ceramic and C/SiC using various tools.
Read More2022.2.1 Currently, grinding is the main processing method for ceramic materials because of its hard and brittle characteristics. However, owing to its low efficiency, serious grinding wheel wear, residual microcracks, other serious defects, the traditional grinding process cannot meet the engineering application requirements of ceramic material parts.
Read More2006.4.10 However, from early 1950s it was commonly known either as ultrasonic impact grinding or USM [4], [11], [14], [15]. Since its invention, USM has developed into a process that is relied upon to solve some of the
Read MoreAbstract. The ultrasonic machining (USM) process consists of two methods, namely, ultrasonic impact grinding and rotary USM. This article lists the major ultrasonic components that are similar to both rotary USM and ultrasonic impact grinding. It also provides schematic representations of the components used in rotary USM and ultrasonic impact ...
Read More2023.11.1 Self-excited regenerative vibration, a well-known endogenous excitation mechanism, has a critical influence on material removal behavior and ground surface generation in a precision grinding process. During ultrasonic vibration–assisted grinding (UVAG), one-dimensional or two-dimensional ultrasonic vibration exerted to abrasive
Read More2023.7.1 A novel hybrid technology that ultrasonic-assisted electrochemical discharge grinding combined with in-situ ultrasonic broaching was used to process an array of square microholes on quartz glass. ... By combining the diamond abrasive, electrochemical discharge, and ultrasonic vibration processes, melting, etching, and impact grinding can
Read More2023.11.4 Figure 1 shows the diagram of UASG and UAEG; where the workpiece coordinate system O-XYZ is taken as the global coordinate system, a p is the grinding depth (μm), b is the grinding width (mm), and A is the ultrasonic amplitude (μm). As shown in Fig. 1(a) and (b), the longitudinal ultrasonic vibrations are parallel and perpendicular to the
Read More2023.9.29 The modeling of grinding force is helpful and imperative to decrease grinding heat, optimize grinding process, improve machining efficiency and product quality. 2.2. Grinding force model. Grinding force models are mathematical representations that depict the variation in force magnitude throughout the grinding.
Read More2021.10.8 关键词: 超声振动辅助磨削, 超声装置, 材料去除机制, 表面形成机制 Abstract: Ultrasonic vibration-assisted grinding (UVAG) technology, by superposing high-frequency and micro-amplitude ultrasonic vibration on the conventional grinding operation, has significant advantages and broad application prospects in the high-efficiency and
Read More2023.7.25 The combination of ultrasonic vibration-assisted grinding (UVAG), the ultrasonic vibrating method, and the conventional grinding (CG) process is proposed to improve the grindability of hardened ...
Read More2015.1.1 While a somewhat special process, it finds valuable applications (e.g., in recent years to nanomachining) and may also be variously termed ultrasonic impact machining, impact grinding, or ultrasonic drilling. This chapter will address the following topics: • An historical and technical review of early developments of ultrasonic machine
Read More2023.2.13 composites was established, and the process of ultrasonic vibration-assisted grinding was simulated and investigated from a microscopic perspective. The damage behavior and removal mechanism of ultrasonic vibration-assisted grinding along across fibers, longitudinal fibers, and transverse fibers were analyzed, respectively.
Read More2023.10.10 In order to enhance the automation level and achieve high precision in the ultrasonic strengthening of aviation blade surfaces, this study focuses on investigating the intelligent control strategy and optimizing the machining parameters for robotic ultrasonic surface strengthening. By designing an intelligent compliance control method, the end
Read More2023.12.22 Grinding forces are an important index to evaluate the difficulty of material removal and machining performance, which can reflect the state of the grinding tool in the grinding process. Grinding temperature has a critical impact on the surface integrity of the workpiece and is increasingly becoming a key constraint to further improvements in ...
Read More2021.7.15 Simulation of grinding process is in primary steps in both conventional (CG) and ultrasonic-assisted grinding (UAG) methods. Owing to the small size of the grains and their variety in the shape, commonly, this process is simulated with a single grain. Figure 16 shows the common setup used in the simulation of grinding operation
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