the effect of ultrasonic vibration of workpiece in electrical

1. Introduction

Ultrasonic vibration system is of significant importance in the ultrasonic vibration assisted machining [20, 21]. Whether the design of ultrasonic vibration system is reasonable or not has direct effect on the practical application of UAT, so it is crucial and urgent to

PAPER OPEN ACCESS The experimental study on horizontal ultrasonic electron discharge machining

In this experiment, the effect of ultrasonic on the EDM process was studied by adding ultrasonic vibration to the workpiece. The mechanism of horizontal ultrasonic vibration EDM was also discussed. The main parameters affecting the ultrasonic machining

The effects of thermo

The vibrational characteristics of ultrasonic vibration system play an important role in the stability and processing effect in ultrasonic machining. In this study, a theoretical analysis and experimental verification were employed to investigate the effect of the thermo-mechanical load on the vibrational characteristics of ultrasonic vibration system.

Experimental study of rotary magnetic field

Dry electrical discharge machining (EDM) is a green machining method which replaces the gas instead of liquid as dielectric medium. Due to the environmentally friendly nature of this method, recently, researchers focused on characterization of this process. In this work, effects of rotary magnetic field and also ultrasonic vibration of workpiece were studied on dry EDM process performance

Effect of low

2011/8/8High-frequency vibration aided EDM has become one of the ways to increase material removal rate in EDM process, due to the flushing effect caused by vibration. However, utilizing high-frequency vibration, especially in ultrasonic range consumes a lot of setup cost. This work presents an attempt to use a low-frequency vibration on workpiece of stainless steel (SS 304) during EDM

The effects of thermo

The vibrational characteristics of ultrasonic vibration system play an important role in the stability and processing effect in ultrasonic machining. In this study, a theoretical analysis and experimental verification were employed to investigate the effect of the thermo-mechanical load on the vibrational characteristics of ultrasonic vibration system.

Effect of Ultrasonic Vibration Parameters on Machining

Abstract: Ultrasonic assisted turning (UAT) is an efficient cutting technique for difficult-to-cut materials. In order to study the effect of vibration parameters on machining performance, tool-workpiece contact ratio (TWCR) was defined. [5] Soutome T, Sato K. Study on ultrasonic vibration cutting (1st report): -fundamental analysis and experimental consideration of vibration cutting mechanism

Transducer in Ultrasonic Machining Based on Equivalent Circuit

Abstract: Ultrasonic transducer is a piezoelectric actuator that converts AC electrical energy into ultrasonic mechanical vibration to accelerate the material removal rate of workpiece in rotary ultrasonic machining (RUM). In this study, an impedance model of the

How does the ultrasonic welding work

How does the ultrasonic welding work The ultrasound converter converts the electrical signal from the generator into mechanical vibrations. They, in turn, are directed to the workpiece to be welded via the booster and the sonotrode under specific pressure.

Effects of Simultaneous Ultrasonic Vibration of the Tool

Results also show that simultaneous ultrasonic vibration of the tool and the workpiece causes the vapor bubble to expand to a larger maximum volume. This, in turn, causes the pressure inside the vapor bubble to drop to a lower minimum volume, facilitates the ejection of the molten material from the crater, and enhances the material removal rate.

A study of ultrasonically aided micro

2003/8/20The experimental results show that the workpiece vibration induced by the ultrasonic action has a significant effect on the performance of the micro-EDM process. It was found that the efficiency of the ultrasonically aided micro-EDM is eight times greater than that of micro-EDM when the workpiece thickness is 0.5 mm, the material is stainless steel, and the tool diameter is 43 μm.

THE EFFECT OF THE SHAPE PARAMETERS ON MODAL PROPERTIES OF ULTRASONIC HORN DESIGN FOR ULTRASONIC

62 4. CONCLUSIONS A general procedure for design of high-frequency ultrasonic horn for ultrasonic manufacturing technologies is presented in this paper. By use of wave theories for longitudinal vibration of rod and FEM analysis, the effect of horn geometrical shape

CiteSeerX — The Effect of Ultrasonic Vibration of

From the experimental result it can be seen that ultrasonic vibration of the workpiece can significantly reduces the inactive pulses and improves the stability of process. It was found that ultrasonic assisted EDM (US-EDM) is effective in attaining a high material removal rate (MRR) in finishing regime.

Simulation analysis of bubble motion under ultrasonic assisted Electrical

Simulation analysis of bubble motion under ultrasonic assisted Electrical Discharge Machining Wenjun Kong a, Ce Guo b and Xijing Zhu c School of Mechanical and Power Engineering, North University of China, Taiyuan 030051, China. akwj2002163, bguoce1027163, cZXJ161501nuc.edu.cn

Investigation of the effect of cutting speed and vibration

In order to investigate the ultrasonic-assisted milling process, a special experimental setup has been designed and established that applies one dimensional vibration to the workpiece. Cutting forces in conventional milling and ultrasonic-assisted milling processes have been measured experimentally and the effect of cutting speed and workpiece vibration amplitude on cutting forces have been

THE EFFECT OF THE SHAPE PARAMETERS ON MODAL PROPERTIES OF ULTRASONIC HORN DESIGN FOR ULTRASONIC

Ultrasonic horn is an important element of the ultrasonic excitation system. The role of horn is the transfer of ultrasonic vibration energy from ultrasonic transducer to the to ol cutting edge interacting with the workpiece (ultrasonic assisted machiningUAM). The

ANALYSIS OF THE EFFECT OF ULTRASONIC VIBRATIONS ON THE PERFORMANCE OF MICRO ELECTRICAL

In ultrasonic vibration-assisted micro-EDM, a high frequency vibration of the order of 30-60 kHz is introduced either to the tool or to the workpiece, in the range of amplitudes of 5 to 10 m [5]. The application of vibration causes significant improvements in the circulation of the dielectric

Ultrasonic assisted EDM: Effect of the workpiece

The effect of ultrasonic vibration of workpiece in electrical discharge machining of AISIH13 tool steel. World Academy of Science, Engineering and Technology, 2009, 52: 392–396 Google Scholar 7. Kremer D, Lhiaubet C, Moisan A. A study of the

Modeling of finishing force and torque in ultrasonic

A new finishing technique called ultrasonic-assisted magnetic abrasive finishing integrates ultrasonic vibration with magnetic abrasive finishing process for finishing of workpiece surface more efficiently as compared to magnetic abrasive finishing in the nanometer range. During finishing, two types of forces are generated in ultrasonic-assisted magnetic abrasive finishing, namely, a normal

An Ultrasonic Vibration Assisted Electrical Discharge

ABSTRACT For solving the problem of machining micro deep hole in hard material, an ultrasonic vibration assisted electrical discharge machining (UV-EDM) device with workpiece vibration was designed and fabricated. The piezoelectric vibrator which had appropriate longitudinal mode and frequency was designed and tested. The first-order longitudinal vibration frequency of the

Numerical study of the dielectric liquid around an

In electrical discharge machining due to the electrical current, very small bubbles are created in the dielectric fluid between the tool and the workpiece. Increase of the number of bubbles and their growth in size generate a single bubble. The bubble has an important

ultrasonic vibration in Chinese

Translate ultrasonic vibration in Chinese:.ultrasonic vibration example sentences:Research on Chip Deformation in Ultrasonic Vibration Cutting With SEM In order to clarify the effects of ultrasonic vibration on wire drawing process an experimental research of copper wire drawing with utilization of ultrasonic vibration was

The Effect of Ultrasonic Vibration of Workpiece in Electrical

variables, namely, workpiece vibration, pulse current (I) and pulse on time were selected. The levels of each variable and the other input parameters were shown in table I.With respect The Effect of Ultrasonic Vibration of Workpiece in Electrical Discharge M. R A

Ultrasonic Machining: Parts, Working, Application

In ultrasonic machining, a tool vibrating longitudinally at 20 kHz to 30 kHz with an amplitude between 0.01 mm to 0.06 mm is pressed on to the work surface with a light force. As the tool vibrates with a specific frequency, an abrasive slurry, usually a mixture of

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