The hole quality evaluation index was the ratio Hd value of the hole edge collapse area to the ideal hole area after processing. Firstly, the orthogonal experiment of hole grinding for zirconia ceramics were carried out . The experiment was set to three factors and four levels. The factors were spindle speed, feed speed and ultrasonic amplitude.

This article reports an investigation using rotary ultrasonic machining in surface grinding of carbon fiber–reinforced plastic composites in order to develop an effective and high-quality surface grinding process. In rotary ultrasonic machining surface grinding of carbon fiber–reinforced plastic composites, tool selection is of great ...

OptiSonic 500 Series Overview. The OptiSonic 500 Series entry-level ultrasonic machining centers combine the quality and precision of OptiPro's optical grinding machines with the latest Ultrasonic technology for efficient processing of optical glass and ceramic materials. The 500 Series, which includes four different platform configurations, utilizes Ultrasonic vibration …

Conventional ultrasonic-grinding machining can cause great wear and tear to abrasives, which is difficult to process materials with good plasticity and toughness. And Conventional ECM cannot meet the production needs of high machining accuracy and high stability [15], [16].

In the grinding process, the magnitude of the grinding force has a serious impact on the surface quality of the workpiece and the tool life. In order to explore the influence of different grinding parameters on the grinding force in the ultrasonic-assisted grinding process, this paper carried out an ultrasonic-assisted single-grain high-speed grinding experiment.

Axial ultrasonic vibration-assisted peripheral grinding (AUPG) has the major advantages of simultaneously improving the grinding quality and material removal rate compared with conventional grinding methods. In this study, a grinding force prediction model for the AUPG of Zerodur was developed to investigate the generation mechanism of the …

HIGHLIGHTS + Economical grinding, milling and drilling of hard and brittle as well as hard to machine Advanced Materials + Stiff ULTRASONIC HSK actuating tool holder with high amplitude power (0 – 15 µm) for a powerful ULTRASONIC performance + Up to 50 % reduced process forces for highest productivity, surface quality, precision and longer ...

Manual Ultrasonic Tool Holder Grinding MUTH BT40 ER25

An ultrasonic grinding technology named NC-Contour Evolution Ultrasonic Assisted Creep Feed Grinding that using a simple shaped diamond grinding wheel with small diameter is presented to solve the ...

The material removal mechanism and ground surface quality by ultrasonic face grinding using minor vibration amplitude (less than 1 μm) still remains uncertain and …

Akbari et al. [13] investigated the ultrasonic vibration effects on grinding process of alumina ceramic by experiments. The tests' results also indicated significant improvements: surface roughness improved by 8%, total grinding force reduced by up to about 22%, and workpiece fracture strength increased by approximately 10% on average.

Experience unprecedented machining efficiency with high performance ultrasonic milling, grinding, core drilling and lightweighting of optical glasses and ceramics. Ultrasonic oscillation of the tool promotes free cutting of material, greatly reducing the force applied to the tool as well as the workpiece during processing.

Because ultrasonic machining is not broadly adopted by Brazilian manufacturing industries, the first part of this paper was devoted to recall the principle of operation and the main features of this process. Ultrasonic machining experiments were then carried out to machine alumina, zirconia, quartz, soda-lime glass, ferrite and LiF.

An experimental study on edge chipping in ultrasonic vibration assisted grinding of bio-ceramic materials, ASME 2013 international manufacturing science and engineering conference collocated with the 41st north American manufacturing research conference. MSEC, 1 ( 2013) ( 2013), pp. 1 - 6, 10.1115/MSEC2013-1188.

Ultrasonic Machining Applications. Ultrasonic machining is a useful manufacturing method used to drill holes in a variety of glass materials with minimal stress or deformation. The high quality and durability of ultrasonic drilled glass components make them particularly useful for critical applications where reliability is a must, including:

The ultrasonic grinding surface of the ceramic plate is discussed in this paper by dividing regionally. Concentrating on how the edge quality affects the surface topography, the white-light interference measuring techniques is used to observe the topography of the grinding surface.

12%The results show that under the action of axial ultrasonic vibration, the grinding efficiency is increased by 21% compared with the conventional internal raceway cut-in-type grinding process. At the same time, the residual compressive stress and roughness increase first and then decrease with the increase in amplitude.

Grinding and Polishing GRINDING removes saw marks and levels and cleans the specimen ... automatic machines usually yield better-quality, faster, more reproducible results. Manual grinding allows better control of grinding depth than au- ... If the ultrasonic bath is wide enough, ultrasonicate the entire specimen holder. Support the holder on a ...

Rotary ultrasonic machining (RUM) is suitable for hole manufacture in brittle composites, providing reduced tearing size as compared with conventional grinding. Even so, substantial tearing defects at the hole exit remain with RUM.

To improve the machining efficiency and simultaneously obtain a mirror-surface quality on the curved surface made by zirconia ceramics, the tangential …

Ultrasonic vibration makes the tool self-cutting, which can prevent the pores of the abrasive tool from clogging and improve the grinding performance. (1) Surface quality of ultrasonic polishing and its influencing factors Ultrasonic polishing has good surface quality, and will not produce surface burns and surface modification layers.

12%Ultrasonic vibration–assisted grinding (UVG) has been accepted as an effective method for processing hard and brittle materials with multiple benefits in terms of reducing grinding force, grinding wheel wear, and subsurface damage as well as improving surface quality and increasing material removal rate [ 4, 5, 6, 7 ].

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 that it is …

Ultrasonic machining is a subtractive manufacturing process that removes material from the surface of a part through high frequency, low amplitude vibrations of a tool against the material surface in the presence of fine abrasive particles. The tool travels vertically or orthogonal to the surface of the part at amplitudes of 0.05 to 0.125 mm (0.002 to 0.005 in.).

This article reports an investigation using rotary ultrasonic machining in surface grinding of carbon fiber-reinforced plastic composites in order to develop an effective and high-quality surface grinding process. In rotary ultrasonic machining surface grinding of carbon fiber-reinforced plastic composites, tool selection is of great importance ...

As a promising material removal technique, ultrasonic-assisted turning/grinding (hereinafter called UAT/UAG for simplicity) has attracted great attention for decades for the sake of its excellent features such as smaller turning/grinding force, higher material removal rate, better surface quality, longer tool working life and lower heat ...

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 unavailable, hindering research on UVAFG.

This study aims to improve the efficiency and uneven texture of conventional magnetic abrasive finishing (MAF) of the inner surface of alumina ceramic tubes by changing the trajectory of a magnetic abrasive brush (MAB), presenting a new technology of ultrasonic-assisted magnetic abrasive finishing (UAMAF). The experiments compare the surface quality …

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Research on Surface Quality of Cylindrical Gear Ultrasonic Form GrindingCN