Rotary ultrasonic machining (RUM), a hybrid nontraditional process technology combining ultrasonic machining and grinding, has been proven to be a promising method for hole making of CFRP.
On the basis of the theory processing engineering Ceramics, this paper designed the rotary ultrasonic grinding tools and analyzed the material removal mechanism by using rotary ultrasonic grinding NC engineering ceramics processing technology; and carried on a preliminary study to the rotary ultrasonic grinding processing mechanism.
This is because the rotary ultrasonic machining has many advantages compared with the conventional machining processes. For example, in our previous works, an ultrasonic vibration-assisted grinding technology has been developed for the internal precision grinding of small holes. The obtained results revealed that applying ultrasonic vibration ...
Preliminary study on rotary ultrasonic machining of CFRP/Ti stacks W.L. Cong, Z.J. Pei Department of Industrial and Manufacturing Systems Engineering, Kansas State University, Manhattan, KS 66506, USA C. Treadwell Sonic-Mill, 7500 Bluewater Road …
Having these secondary functions presents additional cost savings over single function ultrasonic units as they permit a full range of filing/reciprocating capabilities as well as rotational grinding/polishing using mounted points, burs, polishing brushes and felt bobs.
Investment consideration: The complexity of the grinding process requires careful evaluation. When equipped properly, a CNC grinding machine should manufacture demanding workpieces over the course of many years in a high-output production situation. Selection of the CNC rotary table is not infrequently decisive for the success of the project.
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Rotary ultrasonic machining (RUM) is a mechanical type of nontraditional hybrid machining process that has been utilized potentially to machine a wide range of latest and difficult-to-machine materials, including ductile, hard and brittle, ceramics, composites, etc.
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Rotary ultrasonic machining (RUM) is a hybrid machining process that combines the material removal mechanisms of diamond grinding with ultrasonic machining (USM), resulting in higher material removal rates (MRR) than those obtained by either diamond grinding or USM alone.
Jan 17, 2013· Ultrasonic machining, also known as ultrasonic impact grinding, is a machining operation in which a vibrating tool oscillating at ultrasonic frequencies is used to remove material from the ...
grinding process, as illustrated in Fig. 1, combines both ultrasonic machining and surface grinding processes. It can be seen that the rotary cutting tool with diamond abrasives vibrates at an ultrasonic frequency (typically 20 kHz) in the tool axis direction. Meanwhile, the work-piece horizontally feeds toward the tool at a constant feed
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This paper investigates the application of rotary ultrasonic grinding for grinding of ceramic substrates (canasite) for computer hard disks. This process exhibits increased machining aggressiveness compared to the existing machining methods employed.
Having these secondary functions presents additional cost savings over single-function ultrasonic units as they permit a full range of filing/reciprocating capabilities as well as rotational grinding/polishing using mounted abrasive points, burrs, polishing brushes and felt bobs.
Tungsten carbide is a typical difficult-to-cut material by conventional machining processes. In this paper, a novel design of flexible abrasives tool combined with a rotary ultrasonic machining ...
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machining, Rotary Ultrasonic Machining (RUM), also called ultrasonic assisted grinding, is a relative low-cost, environment-benign process and easily ﬁts within the infrastructure of …
Ultrasonic machining, or strictly speaking the "Ultrasonic vibration machining", is a subtraction 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.
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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 ...
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The rotary ultrasonic grinding process is a hybridized method which comprises a combination of conventional ultrasonic machining and diamond grinding. Important parameters in one embodiment of the process include ultrasonic vibration amplitude and frequency, static pressure or force, tool rotation speed, workpiece rotation speed, grit size ...
Rotary ultrasonic machining (RUM) is a hybrid process which adds a high-frequency vibration to the conventional grinding process. The addition of a high-frequency vibration to a diamond tool poses a complex problem in determining the effect of process parameters on the machining process as well as understanding how to best optimize the material ...
conventional grinding and ultrasonic machining. Downscaling of RUM for micro scale machining is essential to generate miniature features or parts from hard and brittle materials. The goal of this thesis is to conduct a feasibility study and to develop a knowledge base for micro rotary ultrasonic …
The engineering ceramic material is hard to machining with the hard and brittle characteristics, so we are using a precision machining method of the rotary ultrasonic assisted grinding. In this paper, a research on the rotary ultrasonic assisted grinding mechanism of zirconia ceramic material is described. We use an experimental method of the orthogonal combination to complete an experiment …
The first studies on ultrasonic machining dealt with ul-trasonic impact grinding. In ultrasonic impact grinding, a simultaneous static load and vibration is applied to the tool while abrasive slurry is pumped into the cutting zone. The tool vibration causes the abrasive slurry to be impacted into the workpiece causing material to be removed ...
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