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The accuracy of each coupling was determined by measuring the radial misalignment between the base and the top of the coupling, and the repeatability of each coupling was determined by calculating the standard deviation of the radial misalignment after decoupling and re-coupling five times.The couplings were displayed accuracy on the order of 10 [mu]m and repeatability on the order of 1 [mu]m.moreيعتبر التصميم الباراميتريParametric design أحد الموضوعات البحثية التي توفر بناء التواصل بين التصميم والإنتاج ونحن هنا بصدد استخدام التصميم البارامتري كأحد نواتج التكنولوجيا الرقمية في تطوير منظومة تصميم الخزف المعماري عبر الاستفادة من التقنيات الرقمية الحديثة لاقامة نموذج بارامتري لوحدات معمارية خزفية.وبعد أن أصبح من السهل تحليل الأشكال والكتل الطبولوجية رياضياً ، ظهرت العديد من الأفكار الجديدة التي تطوع الأسطح الغير منتظمة Nurbs لتساعد علي تكوين أفكار تصميمة فريدة و دائما وأبداً سيظل المصممين في حالة من البحث الدائم والشغف إلى استكشاف أشكال وهيئات جديدة باستخدام الخوارزميات التوليدية Generative Algorithm.
The results indicate that a neural network modelling approach is well suited to cold spray profile prediction and may be used to improve geometric control during additive manufacturing with an appropriate process planning algorithm.
GRCop-42 is a high conductivity, high-strength dispersion strengthened copper-alloy for use in high heat flux applications such as liquid rocket engine combustion devices.
This alloy is part of the family of NASA-developed GRCop,...
more GRCop-42 is a high conductivity, high-strength dispersion strengthened copper-alloy for use in high heat flux applications such as liquid rocket engine combustion devices.
more Open source 3d printing technology opens the door for small and medium-sized businesses, as well as freelancers to take on industry challenges so far reserved for large companies.
Production on demand is economically viable thanks to this system, and in the furniture industry, it greatly reduces the environmental impact of production.I augmented a 3D printer with software for a 3D scanning system in order to incorporate feedback into the printing process.After calibration of the scanning system and the printer, the 3D scanning system is capable of taking depth maps of the printing platform.Open source 3d printing technology opens the door for small and medium-sized businesses, as well as freelancers to take on industry challenges so far reserved for large companies.Production on demand is economically viable thanks to this...Varying interference, contact area, and stiffness had a statistically insignificant effect of accuracy.Varying interference had a statistically insignificant effect on repeatability, increasing contact area increased repeatability by 0.75 [mu]m, or 15%, and increasing increased repeatability by 0.57 [mu]m, or 12%.Significant development was completed on the GRCop-84 and GRCop-42 alloys in the extruded wrought form demonstrating feasibility for combustion chambers.NASA has recently developed a process for additive manufacturing, specifically Powder Bed Fusion (PBF) or Selective Laser Melting (SLM), of GRCop-42 to establish parameters, characterize the material, and complete testing of components with complex internal features.This evolution of the GRCop-42 was based on the successful predecessor development work using GRCop-84 with the motivation of establishing a new copper-alloy option for use in NASA, government, and industry programs with SLM.A few advantages have been shown with the GRCop-42 that include higher conductivity and faster build speeds over the GRCop-84, and a simplified powder supply chain.