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SPH method applied to high speed cutting modelling [PDF]
International Journal of Mechanical Sciences, 2007 The purpose of this study is to introduce a new approach of high speed cutting numerical modelling. A Lagrangian smoothed particle hydrodynamics (SPH)- based model is arried out using the Ls-Dyna software.
J. Limido +9 more
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Influence of Cutting Speed on Cutting Force in High-Speed Milling
Advanced Materials Research, 2010High Speed Milling (HSM) is well known as an innovative key technology for modern machining. HSM can obtain very high surface qualities, subsequent manually finishing operations can be eliminated in many cases totally or at least partially. Theoretical and experimental researches have proven that the cutting force in a high speed milling process has ...
Zhen Yu Zhao +3 more
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Advanced Materials Research, 2011
Raising a cutting speed to above speed of a plastic wave of a workpiece material induces the high levels of the hydrostatic stresses in the shear zone, because a plastic wave traveling there becomes a shock wave. In order to ascertain the cutting phenomena occurring under the ultra high-speed cutting condition, the cutting experiments of a pure lead ...
Jun Shinozuka +2 more
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Raising a cutting speed to above speed of a plastic wave of a workpiece material induces the high levels of the hydrostatic stresses in the shear zone, because a plastic wave traveling there becomes a shock wave. In order to ascertain the cutting phenomena occurring under the ultra high-speed cutting condition, the cutting experiments of a pure lead ...
Jun Shinozuka +2 more
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Effect of Cutting Speed on Chip Fracture Strain in High Speed Cutting
Materials Science Forum, 2009This paper deals with the effect of cutting speed on chip fracture strain in high speed cutting. Firstly, a chip-fracture-strain-measuring device is designed and made according to chip breaking principle. Secondly, experiments are performed by the chip-fracture-strain-measuring device.
Hui Ping Zhang +3 more
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Cutting Speed in Nano-Cutting as MD Modelling Parameter
International Journal of Manufacturing, Materials, and Mechanical Engineering, 2016In order to manufacture parts with dimensions of nanometres, high–technology equipment is required. There is a demand to study nano-metric cutting mechanisms and phenomena appearing in this level. However, experiments are difficult to be realized, so computational methods are employed.
Nikolaos E. Karkalos +2 more
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Maximum cutting speed in laser cutting of fiber reinforced plastics
International Journal of Machine Tools and Manufacture, 1988Abstract A simple one-parameter thermal model, predicting the maximum feed rate still resulting in a through cut as a function of beam power, focal spot diameter and thickness of worked material is presented and discussed for CO 2 laser cutting of composites.
Caprino, G, TAGLIAFERRI, VINCENZO
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Alloy Digest, 1960
Abstract SPEED-CUT is a free-machining medium carbon die steel having air hardening properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining.
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Abstract SPEED-CUT is a free-machining medium carbon die steel having air hardening properties. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on forming, heat treating, machining, and joining.
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Plasma arc cutting: speed and cut quality
Journal of Physics D: Applied Physics, 2009When cutting metal with plasma arc cutting, the walls of the cut are narrower at the bottom than at the top. This lack of squareness increases as the cutting speed increases. A model of this phenomenon, affecting cut quality, is suggested. A thin liquid layer, which separates the plasma from the solid metal to be melted, plays a key role in the ...
V A Nemchinsky, W S Severance
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Aspects in Cutting Mechanism in High Speed Cutting
CIRP Annals, 1989Summary Since appr. 10 years the researches on high speed cutting (hsc) are one of the scientific key points of the Institute of Cutting Technology and Machine Tools (ITW) of the Technical University of Darmstadt. One of the essential results is the fact that just known cutting mechanisms in normal speeds are also valid for hsc.
H. Schulz, G. Spur
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2013
Cutting at high speeds has gained great importance in recent years after the technical prerequisites were met by cutting materials, main spindles of machines, feed drives and control.
Hans Kurt Tönshoff, Berend Denkena
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Cutting at high speeds has gained great importance in recent years after the technical prerequisites were met by cutting materials, main spindles of machines, feed drives and control.
Hans Kurt Tönshoff, Berend Denkena
openaire +1 more source