Automatic Tool Path Generation For Multi Axis Machining

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Automatic Tool Path Generation For Multi Axis Machining

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Author : Laxmiprasad Putta
language : en
Publisher:
Release Date : 1998

Automatic Tool Path Generation For Multi Axis Machining written by Laxmiprasad Putta and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.

Automatic Tool Path Generation For Finish Machining

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Author :
language : en
Publisher:
Release Date : 1997

Automatic Tool Path Generation For Finish Machining written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with categories.

A system for automatic tool path generation was developed at Sandia National Laboratories for finish machining operations. The system consists of a commercially available 5-axis milling machine controlled by Sandia developed software. This system was used to remove overspray on cast turbine blades. A laser-based, structured-light sensor, mounted on a tool holder, is used to collect 3D data points around the surface of the turbine blade. Using the digitized model of the blade, a tool path is generated which will drive a 0.375 inch diameter CBN grinding pin around the tip of the blade. A fuzzified digital filter was developed to properly eliminate false sensor readings caused by burrs, holes and overspray. The digital filter was found to successfully generate the correct tool path for a blade with intentionally scanned holes and defects. The fuzzified filter improved the computation efficiency by a factor of 25. For application to general parts, an adaptive scanning algorithm was developed and presented with simulation results. A right pyramid and an ellipsoid were scanned successfully with the adaptive algorithm.

Computer Aided Tool Path Generation For 5 Axis Machining Of Free Form Surcace

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Author : Xiaohong Liang
language : en
Publisher:
Release Date : 2002

Computer Aided Tool Path Generation For 5 Axis Machining Of Free Form Surcace written by Xiaohong Liang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with categories.

Automatic Tool Selection And Tool Path Generation For Five Axis Surface Machining

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Author : Jianxin Pi
language : en
Publisher:
Release Date : 1996

Automatic Tool Selection And Tool Path Generation For Five Axis Surface Machining written by Jianxin Pi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Machine-tools categories.

Minimum Error Tool Path Generation Method And An Interpolator Design Technique For Ultra Precision Multiaxis Cnc Machining

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Author :
language : en
Publisher:
Release Date : 1999

Minimum Error Tool Path Generation Method And An Interpolator Design Technique For Ultra Precision Multiaxis Cnc Machining written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with categories.

Tool Path Generation Method For 5 Axis Nc Machining With Flat End Cutter

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Author : Nan Wang
language : en
Publisher:
Release Date : 2009

Tool Path Generation Method For 5 Axis Nc Machining With Flat End Cutter written by Nan Wang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Cutting machines categories.

Automatic Process Planning For A Five Axis Additive Hybrid Manufacturing System

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Author : Xinyi Xiao
language : en
Publisher:
Release Date : 2020

Automatic Process Planning For A Five Axis Additive Hybrid Manufacturing System written by Xinyi Xiao and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.

A multi-axis additive manufacturing (AM) system allows for reorienting of the geometry during a build to gain greater building flexibility over that of traditional planar layer by layer additive manufacturing processes. A hybrid manufacturing (HM) system integrates computer numerical control (CNC) machining with multi-axis AM into one process that can switch between each of these two processes, reaping the benefits of both. Currently, these two systems require significant manual work to transform the CAD design into a manufactured part. With the lack of automated process planning algorithms to avoid the significant amount manual work necessary, adoption of HM technology has been slow. Critical components of process planning in multi-axis AM and HM include: 3D model decomposition, sequencing of production of the decomposed volumes, and toolpath generation. Three process planning approaches are presented in this dissertation which seek to reduce the manual work required by automating each of the critical components. The first two approaches rely on the concept of generating decomposed volumes that are self-supported, and sequencing these volumes in a manner that avoids collisions between the build and the AM or HM system, then mapping tool path strategies to each of these volumes. The first approach treats the five-axis machine as a 3+2 axis machine, where the rotational axes are only used for positioning and the decomposed volumes only accommodate planar tool paths. The 2nd approach uses the full five-axis capability and 3D tool paths are used to decompose the part into self supported volumes that can be built without additional support structures. The 3rd approach, referred to as direct five-axis slicing, eliminates the volume decomposition and can directly generate the 3D slices, associating each slice with a tool path. All the approaches are focused on eliminating support structures and avoiding local collision between the tool and the part. Algorithms for decomposition are developed based on the process of identifying concave edges in a part's geometry and segmenting the part along these edges using the surfaces generated by the concave edges. For each decomposed volume, a build direction is identified along with the building sequence and toolpath strategy that can be used to generate the detailed toolpaths. Several case studies using the developed algorithms are presented, along with simulations and experimental results, to validate and showcase the capabilities of the three proposed process planning approaches. A comparison of the three approaches is also included to highlight the features and the limitations of each approach.

Automatic Five Axis Nc Toolpath Generation

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Author : Mahadevan Balasubramaniam
language : en
Publisher:
Release Date : 2001

Automatic Five Axis Nc Toolpath Generation written by Mahadevan Balasubramaniam and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with categories.

(Cont.) * A scheme for computing a valid collision free orientation by performing a local search in the neighborhood of the "promising" visible direction using rapid collision avoidance algorithms. Visibility is a necessary but not a sufficient condition for accessibility because visibility cannot account for the geometry of the tool. * A scheme for determining a smooth interpolation between valid tool postures at the end points. This is not a trivial task because the tool must not interfere with the part while interpolating between valid postures. The visibility cones of the end points are used to compute a "globally" valid interpolatory path and the interpolated postures are then "locally" profiled for access by using rapid collision detection algorithms. The algorithms outlined in this thesis make it possible, for the first time, to generate 5-axis CNC tool paths automatically from a CAD file. The algorithms have been implemented and tested on several parts.

Automatic Generation Of Nc Tool Path Programs For Multi Axis Mould Manufacturing

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Author : Abbas Vafaeesefat
language : en
Publisher:
Release Date : 1994

Automatic Generation Of Nc Tool Path Programs For Multi Axis Mould Manufacturing written by Abbas Vafaeesefat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.

Automatic Tool Path Generation For Machining Sculptured Surfaces Using Optimizations Based On Thin Layer Cutting And High Speed Machining Concepts

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Author : Dennis Tang
language : en
Publisher:
Release Date : 1994

Automatic Tool Path Generation For Machining Sculptured Surfaces Using Optimizations Based On Thin Layer Cutting And High Speed Machining Concepts written by Dennis Tang and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.