Relevant bibliographies by topics / NC Verification

Academic literature on the topic 'NC Verification'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "NC Verification"

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Oliver, J. H., and E. D. Goodman. "Direct dimensional NC verification." Computer-Aided Design 22, no. 1 (January 1990): 3–9. http://dx.doi.org/10.1016/0010-4485(90)90023-6.

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KIM, C. B., S. PARK, and M. Y. YANG. "Verification of NC tool path and manual and automatic editing of NC code." International Journal of Production Research 33, no. 3 (March 1995): 659–73. http://dx.doi.org/10.1080/00207549508930172.

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Zhun, Wang. "Research to the Overall Design of 4-Axis VMC Based on CAD and NC Mfg Verification." Applied Mechanics and Materials 607 (July 2014): 577–80. http://dx.doi.org/10.4028/www.scientific.net/amm.607.577.

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The author studied the 4-axis Vertical MC (VMC)，designed and created its general layout feature mode in one CAD platform (the author used Solidworks) with the engineer’s natural thought manner: topdown. The 4-axis VMC’s NC machining simulation is also carried out in one NC mfg verification tool (the author selected Vericut), and the conformability and compatibility are confirmed. The following conclusions can be summarized: the modern NC machine tool designer and user can promote their production quality, efficiency, cost reduction goals with the help of the integration between the CAD and NC mfg verification technology.
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Yang, Jingzhou, and Karim Abdel-Malek. "Verification of NC machining processes using swept volumes." International Journal of Advanced Manufacturing Technology 28, no. 1-2 (June 29, 2005): 82–91. http://dx.doi.org/10.1007/s00170-004-2352-8.

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WEIN, RON, OLEG ILUSHIN, GERSHON ELBER, and DAN HALPERIN. "CONTINUOUS PATH VERIFICATION IN MULTI-AXIS NC-MACHINING." International Journal of Computational Geometry & Applications 15, no. 04 (August 2005): 351–77. http://dx.doi.org/10.1142/s0218195905001749.

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We introduce a new approach to the problem of collision detection between a rotating milling-cutter of an NC-machine and a model of a solid workpiece, as the rotating cutter continuously moves near the workpiece. Having five degrees of motion freedom, this problem is hard to solve exactly and we approximate the motion of the tool by a sequence of sub-paths of pure translations interleaved with pure rotations. The collision-detection problem along each sub-path is then solved by using radial projection of the obstacles (the workpiece and the static parts of the NC-machine) around the tool axis to obtain a collection of critical surface patches in ℝ3, and by examining planar silhouettes of these surface patches. We thus reduce the problem to successive computations of the lower envelope of a set of planar curves, which we intersect with the profile of the tool. Our reduction is exact, and incurs no loss of accuracy. We have implemented our algorithm in the IRIT environment for solid modeling, using an extension package of the CGAL library for computing envelopes. The algorithm, combined with the proper data structures, solves the collision detection problem in a robust manner, yet it yields efficient computation times as our experiments show. Our approach produces exact results in case of purely translational motion, and provides guaranteed (and good) approximation bounds in case the motion includes rotation.
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Li, Xian Yi, Jian Zhong Fu, and Ji Qiang Li. "Key Technologies Research for Impellers Machining Based on NX." Applied Mechanics and Materials 101-102 (September 2011): 1031–34. http://dx.doi.org/10.4028/www.scientific.net/amm.101-102.1031.

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Tool path generation, post-processing and verification and simulation of NC program are key technologies which are investigated in this research for manufacturing impellers. Generation of tool path aims at producing the cutting tool path. Post-processing transforms the cutter location file (CLSF file) of the tool path to the NC code which NC machine can recognize. Verification and simulation of NC program aims at proving the accuracy of program, thus the interference and collision can be avoided. When tool path is planned, increasing the machining efficiency during the rough and semi-finish milling process is the main consideration. Increasing machining accuracy is an important consideration for final finish milling.
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Han, Liu, and Ping He. "A Rapid Cam Design and Manufacturing System and its Verification." Advanced Materials Research 320 (August 2011): 185–90. http://dx.doi.org/10.4028/www.scientific.net/amr.320.185.

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A rapid cam design and manufacturing simulation system is developed. The system consists of some modules which can be easily extended or updated. In the design module, the profile of disc cam is generated by defining some parameters – rise allowable pressure angle, return allowable pressure angle, the radius of curvature of cam profile etc. And the kinematics analysis of cam is also calculated in this module. Then the profile is transferred into Catia for generating a three dimensional geometry of the cam, and NC program is generated. Last, the NC program is verified by Yulong NC simulation system.
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Srinivasa Rao, S., B. Satyanarayana, and M. M. M. Sarcar. "Simulated verification of NC part programs from 2D images." International Journal of Computer Integrated Manufacturing 24, no. 9 (September 2011): 800–810. http://dx.doi.org/10.1080/0951192x.2011.575180.

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Miao, Ying, Xiaowen Song, Jun Wang, and Zhonghua Lu. "NC machining verification algorithm based on the STL model." International Journal of Advanced Manufacturing Technology 110, no. 5-6 (August 20, 2020): 1153–61. http://dx.doi.org/10.1007/s00170-020-05867-w.

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Liu, Chonglin, Donald M. Esterling, Josep Fontdecaba, and Eric Mosel. "Dimensional verification of NC machining profiles using extended quadtrees." Computer-Aided Design 28, no. 11 (November 1996): 845–52. http://dx.doi.org/10.1016/0010-4485(95)00077-1.

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Dissertations / Theses on the topic "NC Verification"

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Kim, Jaehyun 1970. "NC verification using octree." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/9880.

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Stewart, Nigel Timothy, and nigels@nigels com. "An Image-Space Algorithm for Hardware-Based Rendering of Constructive Solid Geometry." RMIT University. Aerospace, Mechanical and Manufacturing Engineering, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080721.144757.

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A new approach to image-space hardware-based rendering of Constructive Solid Geometry (CSG) models is presented. The work is motivated by the evolving functionality and performance of computer graphics hardware. This work is also motivated by a specific industrial application --- interactive verification of five axis grinding machine tool programs. The goal is to minimise the amount of time required to render each frame in an animation or interactive application involving boolean combinations of three dimensional shapes. The Sequenced Convex Subtraction (SCS) algorithm utilises sequenced subtraction of convex objects for the purpose of interactive CSG rendering. Concave shapes must be decomposed into convex shapes for the purpose of rendering. The length of Permutation Embedding Sequences (PESs) used as subtraction sequences are shown to have a quadratic lower bound. In many situations shorter sequences can be used, in the best case linear. Approaches to s ubtraction sequence encoding are presented including the use of object-space overlap information. The implementation of the algorithm is experimentally shown to perform better on modern commodity graphics hardware than previously reported methods. This work also examines performance aspects of the SCS algorithm itself. Overall performance depends on hardware characteristics, the number and spatial arrangement of primitives, and the structure and boolean operators of the CSG tree.
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Gerbaux, Luc. "Modélisation d'une pile à combustible de type hydrogène/air et validation expérimentale." Grenoble INPG, 1996. http://www.theses.fr/1996INPG0163.

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Books on the topic "NC Verification"

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Nallakatla, Mahesh. A verification system for NC programming for quality in milling. 1992.

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Book chapters on the topic "NC Verification"

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Oliver, James H. "A Vector/Solid Intersection Technique for Three-Axis NC Verification." In CAD/CAM Robotics and Factories of the Future, 71–75. Berlin, Heidelberg: Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-52320-5_12.

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Gao, J. X., and M. Walters. "Reverse engineering from machine code data using advanced NC verification software." In Rapid Product Development, 323–28. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4615-6379-2_32.

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Bradshaw, M. N., D. K. Harrison, and T. S. Baines. "Improving the Manufacturing Process in the Aircraft Industry Via Real Time NC Tape Verification." In Proceedings of the Twenty-Ninth International Matador Conference, 93–97. London: Macmillan Education UK, 1992. http://dx.doi.org/10.1007/978-1-349-12433-6_13.

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Zhang, Dezhuang, Rance Cleaveland, and Eugene W. Stark. "The Integrated CWB-NC/PIOATool for Functional Verification and Performance Analysis of Concurrent Systems." In Tools and Algorithms for the Construction and Analysis of Systems, 431–36. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/3-540-36577-x_31.

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Shimizu, Shigeo, and Hiroshi Koshiishi. "Accuracy Average Effect of Linear Motion Ball Guides System for NC Machines — Experimental Verification." In Progress in Precision Engineering, 325. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-84494-2_40.

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Kawashima, Y., K. Itoh, T. Ishida, S. Nonaka, and K. Ejiri. "A Flexible, Quantitative Method for NC Machining Verification Using a Space Division Based Solid Model." In New Advances in Computer Graphics, 421–37. Tokyo: Springer Japan, 1989. http://dx.doi.org/10.1007/978-4-431-68093-2_27.

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Rene Mayer, J. R., R. Andrian, C. Fortin, G. M. Cloutier, and T. Luong. "Performance Verification and Monitoring of NC Machine-Tools for In-Process Part Measurement by Touch Probing." In Proceedings of the Thirty-Second International Matador Conference, 591–96. London: Macmillan Education UK, 1997. http://dx.doi.org/10.1007/978-1-349-14620-8_93.

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Kawashima, Yasumasa, Kumiko Itoh, and Kazuhiko Ejiri. "Acceleration of multi-axis NC machining verification." In Human Aspects in Computer Integrated Manufacturing, 615–26. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89465-6.50056-9.

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Yang, Min Yang, and Chan Bong Kim. "Verification and Editing of Multi-Axis NC Code." In Advancement of Intelligent Production, 156–60. Elsevier, 1994. http://dx.doi.org/10.1016/b978-0-444-81901-7.50040-2.

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Conference papers on the topic "NC Verification"

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Wein, Ron, Oleg Ilushin, Gershon Elber, and Dan Halperin. "Continuous path verification in multi-axis NC-machining." In the twentieth annual symposium. New York, New York, USA: ACM Press, 2004. http://dx.doi.org/10.1145/997817.997834.

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Sambandan, K., and K. K. Wang. "Five-Axis Swept Volumes for Graphic NC Simulation and Verification." In ASME 1989 Design Technical Conferences. American Society of Mechanical Engineers, 1989. http://dx.doi.org/10.1115/detc1989-0030.

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Abstract This paper explains in detail a simulator that has been developed for graphic verification of five-axis Numerical Control (NC) machining. Exact parametric representations for the surfaces generated by common NC milling cutters during five-axis motions have been derived using the theory of envelopes as the mathematical basis. Parts of these surfaces form the boundary of the total swept volume generated. For each cutting motion, the swept volume of the cutter is determined and then subtracted from the stock. The Boolean subtraction is done in the image space at the pixel level, using a modified depth-buffer algorithm. A shaded image of the “as machined” part at the end of each cutting motion is then displayed for verification.
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Fang, Wang, and Gao Jian-ling. "Research of NC verification based on the improved Voxel model." In 2012 3rd International Conference on System Science, Engineering Design and Manufacturing Informatization (ICSEM). IEEE, 2012. http://dx.doi.org/10.1109/icssem.2012.6340712.

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Wang, Liping, Ming C. Leu, and Denis Blackmore. "Generating swept solids for NC verification using the SEDE method." In the fourth ACM symposium. New York, New York, USA: ACM Press, 1997. http://dx.doi.org/10.1145/267734.267819.

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Zeng, Lingfu, and Lennart G. Jansson. "Non-Linear Design Verification of Nuclear Power Piping According to ASME III NB/NC." In 16th International Conference on Nuclear Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/icone16-48910.

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A nuclear piping system which is found to be disqualified, i.e. overstressed, in design evaluation in accordance with ASME III, can still be qualified if further non-linear design requirements can be satisfied in refined non-linear analyses in which material plasticity and other non-linear conditions are taken into account. This paper attempts first to categorize the design verification according to ASME III into the linear design and non-linear design verifications. Thereafter, the corresponding design requirements, in particular, those non-linear design requirements, are reviewed and examined in detail. The emphasis is placed on our view on several formulations and design requirements in ASME III when applied to nuclear power piping systems that are currently under intensive study in Sweden.
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Pal, Nisha, Mahendra Pratap Yadav, and Dharmendra Kumar Yadav. "Modeling and Verification of Web Services Composition Using CWB-NC Tool." In 2021 2nd International Conference for Emerging Technology (INCET). IEEE, 2021. http://dx.doi.org/10.1109/incet51464.2021.9456275.

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Abdel-Malek, K., Walter Seaman, and Harn-Jou Yeh. "An Exact Method for NC Verification of up to 5-Axis Machining." In ASME 1999 Design Engineering Technical Conferences. American Society of Mechanical Engineers, 1999. http://dx.doi.org/10.1115/detc99/dac-8560.

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Abstract The motion of a cutter tool is modeled as a surface undergoing a sweep operation along another geometric entity. A numerically controlled machining verification method is developed based on a formulation for delineating the volume generated by the motion of a cutting tool on the workpiece (stock). Varieties and subvarieties that are subsets of some Eucledian space defined by the zeros of a finite number of analytic functions are computed and are characterized as closed form equations of surface patches of this volume. A topological space describing the swept volume will be built as a stratified manifold with corners. Singularities of the variety are loci of points where the Jacobian of the manifold has lower rank than maximal. It is shown that varieties appearing inside the manifold representing the removed material are due to a lower degree strata of the Jacobian. Some of the varieties are complicated (so as not to confuse with varieties in complex Cn) and will be shown to be reducible because of their parametrization and are addressed. Benefits of this method are evident in its ability to depict the manifold and to compute a value for the volume.
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Oliver, James H. "Efficient Intersection of Surface Normals With Milling Tool Swept Volumes for Discrete Three-Axis NC Verification." In ASME 1990 Design Technical Conferences. American Society of Mechanical Engineers, 1990. http://dx.doi.org/10.1115/detc1990-0020.

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Abstract An efficient algorithm is presented for intersecting vectors with swept solids which represent three-axis numerically controlled (NC) milling tool motions. The intersection calculation proceeds in hierarchical steps through a series of progressively more exact definitions of the shape of the tool swept volume. At each step, results of intermediate calculations are used to determine whether intersection with an exact representation of the solid is possible and, if so, where and how the swept volume model must be refined for the next step. This structure ensures that superfluous intersection calculations are minimized. This intersection technique has been successfully implemented as part of an algorithm for automatic verification of three-axis NC milling programs, and may also be useful for applications in robotics and factory automation.
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Zeng, Lingfu, Lennart G. Jansson, and Lars Dahlstro¨m. "More on Non-Linear Design Verification of Nuclear Power Piping According to ASME III NB/NC." In 17th International Conference on Nuclear Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/icone17-75312.

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A nuclear piping system which is found to be disqualified, i.e. overstressed, in design evaluation in accordance with ASME III, can still be qualified if further non-linear design requirements can be satisfied in refined non-linear analyses in which material plasticity and other non-linear conditions are taken into account. Our work presented earlier in ICONE16 categorized the design rules in ASME III into linear design and non-linear design rules and examined the corresponding design requirements. In this paper, a more in-depth review of these rules for service limit level D is conducted. In particular, several rules which are currently intensively applied but often found to be inconsistent and confusing in Sweden are studied and discussed in detail. Suggestions for improvements and guides for a reasonable application of these rules, which have been practiced in several ongoing projects, are given.
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Narvekar, Ashish P., Yunching Huang, and James H. Oliver. "Intersection of Rays With Parametric Envelope Surfaces Representing Five-Axis NC Milling Tool Swept Volumes." In ASME 1992 Design Technical Conferences. American Society of Mechanical Engineers, 1992. http://dx.doi.org/10.1115/detc1992-0169.

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Abstract A technique based on the theory of envelopes is presented to formulate a parametric representation of the surfaces swept by an axis-symmetric convex solid under general rigid body motion. The resulting swept surfaces are used to build a complete and precise swept volume model of the moving solid. Finally, an algorithm for finding the intersection of a ray with a swept volume is presented. The algorithm is sufficiently general to be useful in a variety of applications, including robotic path planning, design of mechanisms, and the simulation and verification of numerically controlled (NC) milling programs. Several examples of the algorithm are presented demonstrating ray intersections with swept volumes generated by a general seven-parameter NC milling tool model undergoing typical five-axis motion.
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