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Research and Implementation of the Cutting Plane Interference-free Tool Path Based on ACIS

Author: DengWenHui
Tutor: WangYaPing
School: Beijing University of Aeronautics and Astronautics
Course: Industrial and Manufacturing Systems Engineering
Keywords: CAM Interference-free tool path Edge protection surface Effective area Key points Efficiency
CLC: TP391.73
Type: Master's thesis
Year: 2010
Downloads: 120
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Abstract


In modern industrial manufacturing , CAM technology has been widely used , rich trajectory generation to meet the requirements of a variety of complex workpiece machining . Among them, the cross - sectional plane method is a widely used automatic CNC machining way . In this paper, the differential thinking , to protect surface seeking intersection of the vertical line fillet knife edge into protection with flat-bottomed knife edge the surface maximally Z value of the intersection , and this intersection process analytical equations derived . Integrated into the vertex protect the surface edges protect the surface part of the unified three knife -type protective surface intersection method , therefore the subsequent algorithm can improve the efficiency and stability . This article learn from the idea of border search of insects with the binary image processing method , boundary tracing algorithm , this algorithm can search out any the topological relations inexact surface model boundary . Absolutely invalid edge concept , greatly reducing the knife planes model data calculated on the subsequent intersection redundant edge data . From geometric principles detailed analysis of edge protection surface region of space , raised edges to protect the concept of effective surface area and extract the effective area of the three type knife edge protection surface , perfect edge to protect the surface of the geometrical meaning of the concept of greatly reduce the number of intersection edges protect the surface of the invalid . Initial cutter location point key point layout method to solve the follow-up uniform arrangement of the initial point invalid interpolation too many times and lose a small feature interval to enhance the efficiency of the algorithm , and improve the quality of the track . Deciduous type truncated intersection , disposable N line knife bit line , and to extend this method to the the node interpolation algorithm design , greatly reducing the number of invalid traverse data elements .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Machine-assisted technology > Machine-assisted technology manufacturing (CAM)
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