Study on general analytical method for CNC machining the free-form surfaces

2005 ◽  
Vol 168 (3) ◽  
pp. 408-413 ◽  
Author(s):  
Eing-Jer Wei ◽  
Ming-Chang Lin
Keyword(s):  
Analytical Method ◽  
Cnc Machining ◽  
Free Form ◽  
Free Form Surfaces

Application of Convex Hull for Tool Interference Avoidance in 5-Axis CNC Machining

1996 ◽  
Author(s):  
Yuan-Shin Lee ◽  
Tien-Chien Chang
Keyword(s):  
Convex Hull ◽  
Tool Path ◽  
Correction Method ◽  
Nc Machining ◽  
Cnc Machining ◽  
Free Form ◽  
Interference Avoidance ◽  
Tool Interference ◽  
Free Form Surface ◽  
Free Form Surfaces

Abstract In this paper, a methodology of applying convex hull property in solving the tool interference problem is presented for 5-axis NC machining of free-form surfaces. Instead of exhausted point-by-point checking for possible tool interference, a quick checking can be done by using the convex hull constructed from the control polygon of free-form surface modeling. Global tool interference in 5-axis NC machining is detected using the convex hull of the free-form surface. A correction method for removing tool interference has also been developed to generate correct tool path for 5-axis NC machining. The inter-surface tool interference can be avoided by using the developed technique.

Adaptive Tool Path Planning Strategy for 5-Axis CNC Machining of Free Form Surfaces

2019 ◽  
Author(s):  
Hrishikesh Mane ◽  
S. S. Pande
Keyword(s):  
Tool Path ◽  
Cnc Machining ◽  
Memory Storage ◽  
Free Form ◽  
Cnc Machine ◽  
Planning Strategy ◽  
Part Quality ◽  
Tool Paths ◽  
Path Topology ◽  
Free Form Surfaces

Abstract This paper presents a curvature based adaptive iso-parametric strategy for the efficient machining of free form surfaces on 5-axis CNC machine using the flat end mill tool. One iso-parametric boundary of the surface is selected as the initial tool path. Set of cutter contact (CC) points are chosen adaptively on the initial tool path considering desired profile tolerance. Adjacent iso-parametric tool paths are computed adaptively based on the scallop height constraint unlike the traditional iso-parametric approach. The path topology is post-processed to generate the part program for 5-axis CNC machine in ISO format. The system was rigorously tested for various case studies by comparing the results with the traditional 5-axis iso-parametric tool path strategy, iso-scallop strategy and iso-planar strategy of a commercial software. Our system was found to generate efficient tool paths in terms of part quality, productivity and memory storage compared to the conventional strategies.

Automatic fitting of conical envelopes to free-form surfaces for flank CNC machining

2017 ◽  
Vol 91 ◽  
pp. 84-94 ◽  
Author(s):  
Pengbo Bo ◽  
Michael Bartoň ◽  
Helmut Pottmann
Keyword(s):  
Cnc Machining ◽  
Free Form ◽  
Free Form Surfaces ◽  
Automatic Fitting

scholarly journals Towards efficient 5-axis flank CNC machining of free-form surfaces via fitting envelopes of surfaces of revolution

2016 ◽  
Vol 79 ◽  
pp. 1-11 ◽  
Author(s):  
Pengbo Bo ◽  
Michael Bartoň ◽  
Denys Plakhotnik ◽  
Helmut Pottmann
Keyword(s):  
Cnc Machining ◽  
Free Form ◽  
Surfaces Of Revolution ◽  
Free Form Surfaces

Tool orientation planning for five-axis CNC machining of open free-form surfaces

2013 ◽  
Vol 26 (5) ◽  
pp. 667-675 ◽  
Author(s):  
Jibin Zhao ◽  
Bo Zhong ◽  
Qiang Zou ◽  
Hongjun Liu
Keyword(s):  
Cnc Machining ◽  
Free Form ◽  
Tool Orientation ◽  
Five Axis ◽  
Free Form Surfaces
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