Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 7 of 7 for “"Cut quality"”.
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Heat transfer during pulsed laser cutting of thin sheets
… of the temperature field during pulsed laser cutting of thin sheets (approximately 2.5 x l0⁻⁵ m) was developed. Cutting was simulated through removal of nodes from a finite difference scheme based on sensible heating to the phase change temperature and a single value of latent heat (melting or …
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Harvesting machinery technologies for precision and sustainable sugarcane production
… while minimizing losses and achieving optimum quality. Estimated yield maps were produced using the GPS location of each machine used in the harvesting process. Further work is required to fully develop this method but this study is the first of its kind to leverage multi-machine geospatial …
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Three dimensional milling using an abrasive waterjet
… have been developed...As a result, a controlled cutting condition could be established, with the cut quality conforming to the aerospace industry and its customers"--Abstract, page iii.
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The material and energy flow through the abrasive waterjet machining and recycling processes
… variables were simply a function of time. The cutting speed determines the abrasive use, water use, and power use, and is varied based on the material, geometry, thickness and cut quality. The cutting speed was found to be linear with machineability--a measure of the material, almost linear …
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Energy requirements and productivity of machinery used to harvest herbaceous energy crops
… In mowing, for example, research has shown that cutting of plant material accounted for only 3% energy usage. Investigations of single stem cutting of traditional forages (timothy, alfalfa, wheat straw, maize) have identified a critical cutting speed at which energy requirements are minimized and …
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ANALYSIS AND OPTIMIZATION OF LASER CUTTING PROCESS FOR STRUCTURAL STEELS
Laser cutting is a widely used technology for precision cutting of various materials, in-cluding mild structural steel. It involves the use of a high-powered laser beam to melt, burn, or vaporize the material, resulting in a clean and accurate cut. This doctoral thesis presents a comprehensive …
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Waldumbau in Nordostdeutschland durch Eichennachzucht in Mortzfeldtschen Löchern
Zielsetzung dieser Arbeit war es, die Eignung eines gruppen- und horstweisen Eichenanbaus für den Waldumbau Nordostdeutschlands anhand von realen Beständen zu untersuchen und daraus Handlungsrichtlinien abzuleiten. Mittels Luftbilder und terrestrischer Aufnahmen wurden die MORTZFELDTschen …