Process Characteristics in Ultrasonic MachiningIJERT
· Process Characteristics in Ultrasonic Machining. Tejaswi Hegade Jnaneshwar R. K. Likhith R. Nagarjuna Prahalad P. Babu Srikanth A.K. Dr T.S. Nanjundeswaraswamy . Abstract - Ultrasonic Machining is a mechanical material removal process that makes use of ultrasonic waves and abrasive slurry to remove the material from the workpiece.
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· Ultrasonic machining is a non-traditional machining process. USM is grouped under the mechanical group NTM processes. Fig. 9.2.1 briefly depicts the USM process. frequency f 1925 kHz Slurry of abrasive1050 μm and water Tool
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· Ultrasonic machining (USM) using shaped tools high-frequency mechanical motion and abrasive slurry is effective for materials of extreme hardness or brittleness. Unlike other nonconventional machining methods such as laser beam and electrical discharge machining USM does not thermally damage the workpiece.
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· Ultrasonic vibration-assisted machining (UVAM) is a non-traditional processing method that uses a transducer (piezoelectric ceramics/magneto-strictive) for converting high-frequency electrical energy into high-frequency mechanical vibrations energy and applies it to the machining process and realises material removal by mechanical effect
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· Ultrasonic machining (USM) is another alternative method for manufacturing both conductive and nonconductive hard and brittle materials. It is known as a total mechanical process without suffering from heat or chemical effects so USM would not thermally damage the machining objects or appear to cause significant levels of residual stress and
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· Ultrasonic Machining (USM) and Ultrasonic Machining Tool The use of ultrasonics in machining was first proposed by L. Balamuth in 1945. The first report on the equipment and technology appeared during . By 1954 the machine tools using the ultrasonic principle had been designed and constructed. Originally USM used to be a finishing
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· Ultrasonic machining (USM) The tool which is a negative of the workpiece is vibrated at around 20KHz with and amplitude of between 0.013mm and 0.1mm in abrasive slurry at the workpiece surface. Material removal is by 3 mechanisms Hammering of grit against the surface by the tool. Impact of free abrasive grit particles (erosion).
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· Ultrasonic Machining Definition Ultrasonic machining is a non-conventional machining process in which the abrasives hits on the work piece to remove the material. This method of machining resorts to percussion or hammering of abrasives against the work piece with the tool. So we have a tool it is not directly impacting the work piece but
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· Ultrasonic vibration-assisted machining (UVAM) is a non-traditional processing method that uses a transducer (piezoelectric ceramics/magneto-strictive) for converting high-frequency electrical energy into high-frequency mechanical vibrations energy and applies it to the machining process and realises material removal by mechanical effect
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· Ultrasonic Machining The ultrasonic machine comes into existence to machine hard and complex materials such as ceramic glass titanium and super alloys. Although the principle of ultrasonic machining was recognized in 1927 the first useful description of the USM technique was not given in industry literature until about 1940.
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· Ultrasonic machining is Mechanical machining methods. The other mechanical machining method is Abrasive jet Machining. Waves are generated using magnetostrictive effects which are further converted into mechanical vibration. " Magnetostriction " means the change in dimensions occurring in ferromagnetic due to an alternating magnetic field.
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· Ultrasonic Machining is mainly used in brittle materials. As the name suggests the machining process makes use of ultrasonic vibrations in the range of 20 to 30 kHz. The ultrasonic wave is defined as an inaudible sound with high frequency for humans. The frequency of the ultrasonic wave generally exceeds 20 kHz.
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· Ultrasonic machining is an efficient and economical mean for precision machining of glass or ceramic materials. However because of its complexity the mechanism of the material removal process is still not well understood. Therefore it is hard to optimize process parameters effectively. In the conventional ultrasonic machining methods
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· Ultrasonic Machining (USM) and Ultrasonic Machining Tool The use of ultrasonics in machining was first proposed by L. Balamuth in 1945. The first report on the equipment and technology appeared during . By 1954 the machine tools using the ultrasonic principle had been designed and constructed. Originally USM used to be a finishing
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Ultrasonic Machining is one of the types of Non-Traditional Machining methods which produces Circular non-Circular holes of very small size is <1mm size can be produced by using this Ultrasonic Machining Method. When very frequency vibrations are applied on to the tool the tool is
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Ultrasonic Machining In ultrasonic machining a tool of desired shape vibrates at an ultrasonic frequency (19 25 kHz) with an amplitude of around 1550 μm over the workpiece. Generally the tool is pressed downward with a feed force F.
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· What is Ultrasonic Machining Ultrasonic machining also known as ultrasonic vibration machining is a subtractive manufacturing process that utilizes an ultrasonic tool to remove excess material from a workpiece through high frequency low amplitude vibrations with fine abrasive particles.
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Ultrasonic machining is a contemporary manufacturing method usually employed for processing materials with higher hardness/brittleness such as quartz semiconductor materials ceramics etc. The machined surface produced by ultrasonic machining is found to be free from any surface defects (heat affected zone cracks recast layer etc.) in contrast to the thermal based machining processes like
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· Ultrasonic machining (USM) The tool which is a negative of the workpiece is vibrated at around 20KHz with and amplitude of between 0.013mm and 0.1mm in abrasive slurry at the workpiece surface. Material removal is by 3 mechanisms Hammering of grit against the surface by the tool. Impact of free abrasive grit particles (erosion).
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· Ultrasonic machining is a loose abrasive machining process that requires a very low force applied to the abrasive grain which leads to reduced material requirements and minimal to no damage to the surface. Material removal during the UM process can be classified into three mechanisms
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