نتایج جستجو برای: 2d vibration assisted turning

تعداد نتایج: 284179  

Kamran Puladsaz, Mehdi Tajaddara Razavi Shojae Rezavi

The use of titanium and its alloys has increased in various industries recently, because of their superior properties of these alloys. Titanium alloys are generally classified as difficult to machine materials because of their thermo-mechanical properties such as high strength-to-weight ratio and low thermal conductivity. Laser Assisted Machining (LAM) improves the machinability of high strengt...

Journal: :Journal of Physics: Conference Series 2019

Journal: :Transactions of the Japan Society of Mechanical Engineers 1962

2017
Bert Lauwers D. Bhaduri S. L. Soo D. Novovic D. K. Aspinwall P. Harden C. Waterhouse M. Lucas

The paper details the effects of depth of cut and vibration amplitude when ultrasonic assisted (US) creep feed grinding Inconel 718 with an open structured alumina based wheel. The workpiece was actuated at a constant frequency (~20.5kHz) via a block sonotrode attached to a 1kW piezoelectric transducer-generator system. A full factorial experimental array comprising 12 tests was conducted invol...

Journal: :Proceedings of the JFPS International Symposium on Fluid Power 2008

Journal: :Renewable Energy and Power Quality 2012

Journal: :Laterality 2017
Jürg C Streuli Gina Obrist Peter Brugger

The literature on human turning preferences is inconsistent. While the few studies with children below 14 years of age uniformly describe an overall left-turning (counterclockwise) tendency, a recent Internet study with more than 1500 adults found a right-sided (clockwise) bias. We set out to investigate spontaneous turning behaviour in children age 5-3 years and, based on neuropsychiatric work...

2012
Claus Metzner

Abstract Many stochastic systems in physics and biology are investigated by recording the two-dimensional (2D) positions of a moving test particle in regular time intervals. The resulting sample trajectories are then used to induce the properties of the underlying stochastic process. Often, it can be assumed a priori that the underlying discrete-time random walk model is independent from absolu...

Journal: :journal of theoretical and applied vibration and acoustics 0
mehdi eskandarzade school of mechanical engineering, college of engineering, university of tehran, 14395515 tehran, iran abolfazl masoumi school of mechanical engineering, college of engineering, university of tehran, 14395515 tehran, iran ghader faraji school of mechanical engineering, college of engineering, university of tehran, 14395515 tehran, iran

one of the great challenges in the processing of materials using equal channel angular pressing (ecap) is the high forming forces required to produce large shear deformation in the material. researchers show that the friction forces between the die and the sample constitute a great part of the total forming forces. recently, ultrasonic vibrations are successfully implemented into the ecap proce...

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