A methodology for the lightweight design of modern transfer machine tools [PDF]
, 2018 This paper deals with a modern design approach via finite elements in the definition of the main structural elements (rotary table and working unit) of an innovative family of transfer machine tools. Using the concepts of green design and manufacture, as
Cavalli, Omar +6 more
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Minimization of tool path length of drilling process using particle swarm optimization (PSO) [PDF]
, 2020 In the era of challenging economic, the industry in our country has been forced to produce a good quality product and increase the productivity of machining process simultaneously in order to compete with other countries.
Abdullah, Haslina +5 more
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Energy Efficiency Improvements in Dry Drilling with Optimised Diamond-Like Carbon Coating [PDF]
, 2008 We demonstrate enhancements of performance and energy efficiency of cutting tools by deposition of diamond-like carbon (DLC) coatings on machine parts. DLC was deposited on steel drill bits, using plasma enhanced chemical vapour deposition (PECVD) with ...
A.W. Anson +16 more
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The optimization algorithm for application in directional drilling trajectories of energy field
Energy Reports, 2022 Recently, the directional drilling technology (DDT) has been extensive used in many energy field such as coal geological exploration, gas drainage and artificial freezing engineering etc.
Shu-jie Liu +3 more
doaj +1 more source
Active and passive component embedding into low-cost plastic substrates aimed at smart system applications [PDF]
, 2013 The technology development for a low-cost, roll-to-roll compatible chip embedding process is described in this paper. Target applications are intelligent labels and disposable sensor patches. Two generations of the technology are depicted.
Cauwe, Maarten +5 more
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Overview of technologies for constructing the facilities at the Dniester pumped storage power station [PDF]
, 2019 Purpose. Perform an overview of the construction technologies and substantiate the effectiveness of the Ukrainian experience in building a pumped storage power station (PSPS) on the Dniester River in difficult engineering-geological conditions with the ...
Horbatiuk, Yu +4 more
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Sustainable use and production of energy in the 21st century [PDF]
, 2015 It is foreseen that oil and gas will continue to be the key energy sources in the 21st century. Therefore, it is important that oil and gas be produced in a sustainable way during the next decades.
Gudmestad, O. T., Traa, K.
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Real-Time Measurement of Drilling Fluid Rheological Properties: A Review
Sensors, 2021 The accurate and frequent measurement of the drilling fluid’s rheological properties is essential for proper hydraulic management. It is also important for intelligent drilling, providing drilling fluid data to establish the optimization model of the ...
Naipeng Liu +4 more
doaj +1 more source
Influence of the Tunnel Shape on Shotcrete Lining Stresses [PDF]
, 2012 Tunnel excavation is frequently carried out in rock masses by the drill and blast method and the final shape of the tunnel boundary can be irregular due to overbreaks.
Adeli +43 more
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Experimental research into the effect of some operation factors and rock properties on the rate of penetration [PDF]
, 2020 Purpose. The purpose of this research is to investigate the effect of weight on bit (WOB), rotary speed (RPM), and some rock properties on the rate of penetration (ROP). Methods.
Ali, Mahrous A.M. +4 more
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