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Optimal machining operations

Xem 1-12 trên 12 kết quả Optimal machining operations
  • The principle of Occam’s razor loosely translates to “the simplest solution is often the best”. The author of Kinematic Geometry of Surface Machining utilizes this reductionist philosophy to provide a solution to the highly inefficient process of machining sculptured parts on multi-axis NC machines. He has developed a method to quickly calculate the necessary parameters, greatly reduce trial and error, and achieve efficient machining processes by using less input information, and in turn saving a great deal of time.

    pdf516p kennybibo 14-07-2012 95 29   Download

  • Parallel machines (mill-turn machining centers) provide a powerful and efficient machining alternative to the traditional sequential machining process.

    pdf34p nguyen3 13-11-2009 69 4   Download

  • Inspired by previous preprocessing approaches to SMT, this paper proposes a novel, probabilistic approach to reordering which combines the merits of syntax and phrase-based SMT. Given a source sentence and its parse tree, our method generates, by tree operations, an n-best list of reordered inputs, which are then fed to standard phrase-based decoder to produce the optimal translation. Experiments show that, for the NIST MT-05 task of Chinese-toEnglish translation, the proposal leads to BLEU improvement of 1.56%. ...

    pdf8p hongvang_1 16-04-2013 38 3   Download

  • The Maximal Profit Model for reaching an optimal design of the production line undergoing the limitations of obtainable resources is presented in this paper. This model is treated as an integer programming problem, and an efficient step-by-step algorithm to solve this problem is also constructed. In addition, it is discussed that the operation cost of a machine does not include idle and breakdown situations while the maintenance cost for a broken machine should be considered.

    pdf12p vinguyentuongdanh 20-12-2018 11 0   Download

  • This paper proposes the effect of various toolpath methods for semi-finish operation on the machining time when milling 3D surfaces. An optimal selection of toolpath can cause remaking in the advance of time.

    pdf5p vimessi2711 02-04-2019 6 0   Download

  • Motivated by the need of energy-efficiency improvements, process optimization, soft-start capability and numerous other environmental benefits, it may be desirable to operate induction motors for many applications at continuously adjustable speeds. The induction motor drives can provide high productivity with energy efficiency in different industrial applications and are the basis for modern automation. This book provides an account of this developing subject through such topics as modelling, noise, control techniques used for high-performance applications and diagnostics....

    pdf0p camchuong_1 04-12-2012 81 13   Download

  • CHAPTER 11 MINIMIZING ENGINEERING EFFORT Charles R. Mischke, Ph.D., P.E. Professor Emeritus of Mechanical Engineering Iowa State University Ames, Iowa 11.1 INTRODUCTION/11.2 11.2 REDUCING THE NUMBER OF EXPERIMENTS /11.3 11.3 SIMILITUDE/11.7 11.4 OPTIMALITY/11.9 11.5 QUADRATURE/11.13 11.6 CHECKING/11.15 REFERENCES/11.

    pdf21p hadalabo 29-09-2010 57 5   Download

  • Gamma uses traditional relational techniques for query parsing, optimization [SELI79, JARK84], and code generation. The optimization process is somewhat simplified as Gamma only employs hash-based algorithms for joins and other complex operations. Queries are compiled into a left-deep tree of operators. At execution time, each operator is executed by one or more operator processes at each participating site.

    pdf38p nhacsihuytuan 13-04-2013 36 2   Download

  • The article presents a method to optimize technology parameters of the profile grinding operation for 6208 ball bearing's inner ring groove on the grinder 3MK136B. The research is implemented by the least squares experimental planning method to determine the experimental regression functions between technical parameters and output elements of the machining process.

    pdf5p visasuke2711 25-04-2019 6 0   Download

  • International Rectifier's IRAMS10UP60A is an Integrated Power Module developed and optimized for electronic motor control in appliance applications such as washing machines and refrigerators. Plug N Drive technology offers an extremely compact, high performance AC motor-driver in a single isolated package for a very simple design. A built-in temperature monitor and over-temperature/over-current protection, along with the short-circuit rated IGBTs and integrated under-voltage lockout function, deliver high level of protection and fail-safe operation.

    pdf17p hoanthuc 16-11-2010 82 13   Download

  • General-purpose magnetic flux vector control and auto tuning function are available. It ensures operation that requires high starting torque, such as transfer machine including conveyer, hoist, lift, etc., washing machine, and agitators. •High torque 150%/1Hz and 200%/3Hz are realized •Auto tuning Many kinds of motors can be optimally controlled with Mitsubishi original "non-rotation " auto tuning function. (R1 constants tuning

    pdf33p dinhthoai2010 19-09-2012 46 4   Download

  • Generally speaking, direct assembly coding can outperform the use of intrinsics. Nevertheless, for fairness of comparison with algorithms coded in C,we use the provided intrinsics. Our experimental results use single precision 32-bit float- ing point values as the element data type, unless otherwise mentioned. Since SSE and SSE2 registers are 128 bits, this choice means that S = 4. Our Pentium4 machine runs at 1.8 GHz, has 1GB of Rambus RDRAM, and uses the RedHat Linux 7.1 operating system. We use Intel's C++ compiler with the highest optimization level.

    pdf12p yasuyidol 02-04-2013 42 4   Download

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