Results 251 to 260 of about 1,008,908 (306)
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Tool-path generation for roughing
1998Presented in this chapter are C-space based tool-path generation methods for roughing, with a special emphasis on pocket machining. Topics to be discussed are (1) characteristics of roughing operations, (2) CL-surface construction for roughing, (3) tool-path generation for pocket-machining, (4) 2D offsetting for CPO tool-path generation, (5) handling ...
Byoung K. Choi, Robert B. Jerard
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Tool-path generation for NURBS surface machining
Proceedings of the 2003 American Control Conference, 2003., 2004In CAD systems, a surface to be machined is expressed by a series of curves, such as B-spline, Bezier and NURBS curves, which compose the surface and then in CAM systems the curves are divided into a large number of line or arc segments. These divided movement commands, however, cause many problems including their excessive size of NC data that makes ...
null Sungchul Jee, null Taehoon Koo
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Tool-path generation for finishing
1998The purpose of a finishing operation in an SSM-process is to generate a smooth surface ‘region’, and as a result, finish-machining is often called regional milling. Thus, we will use the term ‘regional milling’ to refer to finish-machining (as well as semi-finishing).
Byoung K. Choi, Robert B. Jerard
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Curvilinear tool path generation for pocket machining
Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 2011In this paper, a curvilinear tool path generation method with implicit moving boundaries is presented for pocket machining. The pocket profile is implicitly embedded into a higher-dimensional function, namely the level set function, and is represented with the zero level set as a moving boundary. In order to generate low-curvature parallel boundaries,
Z-H Xiong, C-G Zhuang, H Ding
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Introduction to tool-path generation methods
1998As an introduction to Part Two, this chapter provides a comprehensive review of the ‘conventional’ tool-path generation methods and proposes a new tool-path generation method called the ‘C-space method’. The conventional methods to be covered in this chapter are isoparametric methods, Cartesian methods and APT-type methods.
Byoung K. Choi, Robert B. Jerard
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Tool-path generation for machining sculptured surface
Journal of Materials Processing Technology, 1995Abstract In NC machining of sculptured surfaces, the machining efficiency of curvature catering method is much higher than traditional ones using ball-ended or drum-shaped tools. However, in order to get the best result of utilizing curvature catering method, great attentions have to be paid to the arragement of tool traces, for the sensitivity of ...
F. Li +5 more
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Tool path generation for algebraically parameterized surface
Journal of Intelligent Manufacturing, 2013In CAD/CAM integrated environment, parametrically defined free-form surfaces may require to be truncated to suit the profile of an object to be machined. In such a case the truncated surface needs to be parameterized anew according to the boundaries.
Subhajit Sarkar, Partha Pratim Dey
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A new approach to CNC tool path generation
Computer-Aided Design, 1998zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Tool-Path Generation for Fractal Curve Making
International Journal of Advanced Manufacturing Technology, 2002In the paper, a new data structure, called the radial–annular tree (RAT) structure, is proposed and implemented to bridge the gaps between CAD, RP, and fractal geometry. A typical fractal curve, the Koch snowflake curve, will be examined in detail.
S. C. Soo, K. M. Yu
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Tool Path Generation for Turbine Blades Machining With Twin Tool
Journal of Manufacturing Science and Engineering, 2017Blades are essential parts used in thermal and nuclear power generation. Its machining precision is a vital factor that influences the efficiency and life of those industries. Blades are thin-walled parts, which could easily deform under cutting forces, and hence deteriorate the machining precision.
Dun Lu +7 more
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