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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 20 of 35 for “"cutting tools"”.
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High Temperature Deformation Behavior of Cemented Carbide Cutting Tools
Made available in DSpace on 2014-12-12T00:32:37Z (GMT). No. of bitstreams: 1 7514078.pdf: 4565521 bytes, checksum: b396e97761098d04753d979246661b6b (MD5) Previous issue date: 1975
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Mathematical modelling and in-process monitoring techniques for cutting tools.
… for mathematical models which describe the cutting tool-workpiece interaction and for accurate on-line monitoring of tool-state. These are essential requirements for the achievement of unmanned and computerized machining processes. Techniques are used to design the experiments which …
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Development of high temperature/oxidation- resistant PVD coatings for cutting tools using HIPIMS
… lend themselves to the application of protecting cutting tools exposed to harsh environment such as the dry, high-speed machining of abrasive materials. This thesis discusses the literature supporting the project and pays tribute to the development of coatings that formed the foundation for the …
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Wear of Polycrystalline Cubic Boron Nitride Cutting Tools when Machining Nickel-based Superalloys
… ceramic binder phase. It is currently used as a cutting tool material for several difficult to machine alloys where diamond’s reactivity towards ferrous materials precludes its use. High tool wear rates are observed when using PcBN to machine Ni-based superalloys - in particular Inconel 718. …
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Design and analysis of the internally cooled smart cutting tools with the applications to adaptive machining
Adaptive machining with internally cooled smart cutting tools is a smart solution for industrial applications, which have stringent manufacturing requirements such as contamination free machining (CFM), high material removal rate, low tool wear and better surface integrity. The absence of cutting …
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A Tool Wear Comparative Study in Turning Versus Computer Simulation in 1018 Steel
<p>The material removal process uses cutting tools in order to produce the desired shape of the workpiece. Tool wear has been a problem for cutting tools, since cutting tools wear and break. Research has been accomplished in the tool wear field for tool life and more recently tool wear. The …
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A study of tool wear measurement by using image processing system
<p>Cutting tools in a manufacturing system play a significant role in metal cutting process. Cutting tools arc consumable. Tool wear affects the outcomes of machining processes such as machined· surface quality and it is normally used as an indicating parameter for tool life. It is crucial to …
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Computer integrated machining parameter selection in a job shop using expert systems and algorithms
… compatibility, the selection of machines, cutting tools, cutting fluids, and tool angles. Data base design is examined for this problem. Algorithms are developed to evaluate the selection of machines and cutting tools based on cost considerations. An algorithm for optimizing cutting …
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Machinability Study on Silicon Carbide Particle-Reinforced Aluminum Alloy Composite with CVD Diamond Coated Tools
… carbide particles (AlSiC) require special cutting tools due to the high hardness and abrasive properties of the ceramic particles. Diamond coated cutting tools are ideal for machining this type of pMMC. Previous research studies focus on the machinability of pMMCs with low ceramic content. …
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Cobalt demand : past, present, and future
… including: superalloys, hard-facing metals, cutting tools, magnets, chemical catalysts, and pigments. In this thesis, I assessed the criticality of cobalt demand in non-battery sectors with the intention of assessing whether demand of cobalt in its traditional, inelastic sectors will supply …
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ΠΑΡΑΜΕΤΡΟΙ ΠΟΥ ΕΠΗΡΕΑΖΟΥΝ ΤΗΝ ΕΞΟΡΥΞΙΜΟΤΗΤΑ ΤΩΝ ΠΕΤΡΩΜΑΤΩΝ ΜΕ ΚΑΔΟΦΟΡΟ ΕΚΣΚΑΦΕΑ
… OF THE ROCK MASS, AND THE WEAR RATE OF THE CUTTING TOOLS.
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Effect of thermal annealing and carbon implantation on the functional properties of nanocomposite TiSiN coatings on steel
… tremendous pressures with the need for durable cutting tools suitable for eco-friendly high speed machining operations becoming acute. In this thesis innovative design and synthesis strategies are explored to tailor the properties of nanocomposite coatings. Advanced characterisation techniques …
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The design of a coiled tubing cutter for use in subsea oil drilling applications
A cutting device has been developed which can be used in conjunction with Schlumberger's SenTree product line to insure proper disconnect of an offshore system from a subsea wellhead during the testing of the well. Design requirements for the device were established by the requirements of the …
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The Progressive Regeneration of a Traditional Production Plant
… Gloucester, a manufacturer of diamond cutting tools, and The Polytechnic of Wales. The project was "to evaluate the scope for and to assist in the implementation of modern manufacturing methods." <br/><br/>In order to develop a planned programme of change an initial in-depth study of …
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Applications of Intelligent Manufacturing and of Numerical/Analytical Modeling Techniques to Milling Processes
… highlight behaviour of products, for example of cutting tools, during the design phase. The second technique deals with the manufacturing process control, and is aimed at the increasing of automation level of modern production systems by evolving them towards the paradigm of Intelligent …
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Diagnostics for Periodically Operated Actuators
… This thesis develops signal processing tools and hardware solutions optimized for, but not limited to, diagnostics of periodically operated actuators. These actuators are mechanical or electromechanical systems that experience non-uniform loads during an operating cycle. The platform …
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Development of an expert system for cutting-off process selection.
… variety of alternative combinations of parts and cutting-off tools. The problem is therefore to select the optional and most economical combinations of processes and parameters for cutting-off a given product. To assist in this problem, each cutting-off tool or machine manufacturer and supplier …
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Study of the properties of cemented carbides from industrial production
… used in many applications, such as drawing dies, cutting tools and hot rolls due to theirs remarkable properties of high hardness and wear resistance. Mechanical properties are strongly related to microstructure, namely the binder amount and the carbide grain size. Increasing the binder content …
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Effects of milling methods, cooling strategies and end-mill coatings on machinability in high speed end-milling of Inconel- 718 using carbide end-mills
… machining such as: high temperature at the cutting zone due to low thermal conductivity, hardening tendency at elevated temperature, high cutting forces, rapid tool wear and high chemical affinity with many cutting tools. Appropriate cooling strategies, milling methods, tool coatings and …
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