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A region-based 3 + 2-axis machining toolpath generation method for freeform surface

Due to the geometric complexity, tool orientations usually change dynamically during freeform surface machining with 5-axis machine tool. As the kinematic performance of the rotary axes is usually weaker than that of the linear axes, the real cutting speed is difficult or even impossible to reach th... Full description

Journal Title: International journal of advanced manufacturing technology 2018-04-20, Vol.97 (1-4), p.1149-1163
Main Author: Liu, Xu
Other Authors: Li, Yingguang , Li, Qiang
Format: Electronic Article Electronic Article
Language: English
Subjects:
Publisher: London: Springer London
ID: ISSN: 0268-3768
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recordid: cdi_proquest_journals_2490841567
title: A region-based 3 + 2-axis machining toolpath generation method for freeform surface
format: Article
creator:
  • Liu, Xu
  • Li, Yingguang
  • Li, Qiang
subjects:
  • Algorithms
  • Analysis
  • Axes (reference lines)
  • CAE) and Design
  • Cluster analysis
  • Clustering
  • Collision avoidance
  • Collision dynamics
  • Computer-Aided Engineering (CAD
  • Cutting speed
  • Electrical engineering
  • Engineering
  • Feed direction
  • Five axis
  • Industrial and Production Engineering
  • Machinability
  • Machine shops
  • Machine tools
  • Machining
  • Mechanical Engineering
  • Media Management
  • Methods
  • Optimization
  • Original Article
  • Software reviews
  • Surface geometry
  • Tool industry
  • Vector quantization
ispartof: International journal of advanced manufacturing technology, 2018-04-20, Vol.97 (1-4), p.1149-1163
description: Due to the geometric complexity, tool orientations usually change dynamically during freeform surface machining with 5-axis machine tool. As the kinematic performance of the rotary axes is usually weaker than that of the linear axes, the real cutting speed is difficult or even impossible to reach the desired level, which further leads to low machining efficiency. This paper presents a region-based 3 + 2-axis machining toolpath generation method with 5-axis machine tool. The surface is first divided into several preliminary sub-surfaces using K-means clustering algorithm. A post processing procedure is then carried out to optimise the preliminary sub-surfaces to ensure the machinability. For each sub-surface, gouging-/collision-free tool orientations are first calculated and then the optimal combination of the fixed tool orientation and the feed direction is determined by maximising the average machining strip width for toolpath generation. The proposed method is tested by a case surface and the comparisons to some other traditional methods are also provided.
language: eng
source:
identifier: ISSN: 0268-3768
fulltext: no_fulltext
issn:
  • 0268-3768
  • 1433-3015
url: Link


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titleA region-based 3 + 2-axis machining toolpath generation method for freeform surface
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descriptionDue to the geometric complexity, tool orientations usually change dynamically during freeform surface machining with 5-axis machine tool. As the kinematic performance of the rotary axes is usually weaker than that of the linear axes, the real cutting speed is difficult or even impossible to reach the desired level, which further leads to low machining efficiency. This paper presents a region-based 3 + 2-axis machining toolpath generation method with 5-axis machine tool. The surface is first divided into several preliminary sub-surfaces using K-means clustering algorithm. A post processing procedure is then carried out to optimise the preliminary sub-surfaces to ensure the machinability. For each sub-surface, gouging-/collision-free tool orientations are first calculated and then the optimal combination of the fixed tool orientation and the feed direction is determined by maximising the average machining strip width for toolpath generation. The proposed method is tested by a case surface and the comparisons to some other traditional methods are also provided.
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subjectAlgorithms ; Analysis ; Axes (reference lines) ; CAE) and Design ; Cluster analysis ; Clustering ; Collision avoidance ; Collision dynamics ; Computer-Aided Engineering (CAD ; Cutting speed ; Electrical engineering ; Engineering ; Feed direction ; Five axis ; Industrial and Production Engineering ; Machinability ; Machine shops ; Machine tools ; Machining ; Mechanical Engineering ; Media Management ; Methods ; Optimization ; Original Article ; Software reviews ; Surface geometry ; Tool industry ; Vector quantization
ispartofInternational journal of advanced manufacturing technology, 2018-04-20, Vol.97 (1-4), p.1149-1163
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0Springer-Verlag London Ltd., part of Springer Nature 2018
1COPYRIGHT 2018 Springer
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3The International Journal of Advanced Manufacturing Technology is a copyright of Springer, (2018). All Rights Reserved.
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descriptionDue to the geometric complexity, tool orientations usually change dynamically during freeform surface machining with 5-axis machine tool. As the kinematic performance of the rotary axes is usually weaker than that of the linear axes, the real cutting speed is difficult or even impossible to reach the desired level, which further leads to low machining efficiency. This paper presents a region-based 3 + 2-axis machining toolpath generation method with 5-axis machine tool. The surface is first divided into several preliminary sub-surfaces using K-means clustering algorithm. A post processing procedure is then carried out to optimise the preliminary sub-surfaces to ensure the machinability. For each sub-surface, gouging-/collision-free tool orientations are first calculated and then the optimal combination of the fixed tool orientation and the feed direction is determined by maximising the average machining strip width for toolpath generation. The proposed method is tested by a case surface and the comparisons to some other traditional methods are also provided.
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abstractDue to the geometric complexity, tool orientations usually change dynamically during freeform surface machining with 5-axis machine tool. As the kinematic performance of the rotary axes is usually weaker than that of the linear axes, the real cutting speed is difficult or even impossible to reach the desired level, which further leads to low machining efficiency. This paper presents a region-based 3 + 2-axis machining toolpath generation method with 5-axis machine tool. The surface is first divided into several preliminary sub-surfaces using K-means clustering algorithm. A post processing procedure is then carried out to optimise the preliminary sub-surfaces to ensure the machinability. For each sub-surface, gouging-/collision-free tool orientations are first calculated and then the optimal combination of the fixed tool orientation and the feed direction is determined by maximising the average machining strip width for toolpath generation. The proposed method is tested by a case surface and the comparisons to some other traditional methods are also provided.
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doi10.1007/s00170-018-1982-1