A Benchmark Comparison of CAD 5-Axis Machining Packages

2004 ◽  
Author(s):  
Zhenyu Cheng ◽  
Robert Cheatham ◽  
Jianguo Wang ◽  
C. Greg Jensen ◽  
Yifan Chen ◽  
...  
Keyword(s):  
Surface Finish ◽  
Tool Path ◽  
Computation Time ◽  
Machining Efficiency ◽  
End Mill ◽  
Cad Systems ◽  
Path Computation ◽  
Density Surface ◽  
Five Axis

In this paper, parts from Ford GT were machined based on tool path created using Curvature Matched Machining and three other popular CAD systems. Five-axis flat end mill methods are used as the baseline of comparison. The performance of these CAD packages was compared using the benchmark of tool path density, surface finish, and post-machining finishing time. Results show that CM2 has advantage over today’s leading CAM capability in terms of both machining efficiency and tool path computation time.

Tool Path Generation for Five-Axis Controlled Machining of Free-Form Surface Using Barrel Tool: Control of Contact Point on Cutting Edge

2020 ◽  
Author(s):  
Tomonobu Suzuki ◽  
Koichi Morishige
Keyword(s):  
Tool Path ◽  
Contact Point ◽  
Cutting Edge ◽  
Free Form ◽  
End Mill ◽  
Ball End Mill ◽  
Surface Machining ◽  
Free Form Surface ◽  
The Cost ◽  
Five Axis

Abstract This study aimed to improve the efficiency of free-form surface machining by using a five-axis controlled machine tool and a barrel tool. The barrel tool has cutting edges, with curvature smaller than the radius, increasing the pick feed width compared with a conventional ball end mill of the same tool radius. As a result, the machining efficiency can be improved; however, the cost of the barrel tool is high and difficult to reground. In this study, a method to obtain the cutting points that make the cusp height below the target value is proposed. Moreover, a method to improve the tool life by continuously and uniformly changing the contact point on the cutting edge is proposed. The usefulness of the developed method is confirmed through machining simulations.

The Tool Path Generation by Using Configuration Space for Five-Axis Controlled Machining - Application to Rough Cutting by Using Square End Mill -

2010 ◽  
Vol 447-448 ◽  
pp. 292-296
Author(s):  
Takuya Masuda ◽  
Koichi Morishige
Keyword(s):  
Machine Tool ◽  
Configuration Space ◽  
Tool Path ◽  
Tool Path Generation ◽  
Path Generation ◽  
End Mill ◽  
Five Axis

In recent years, five-axis controlled machine tool attracts attention from the increase in demand for improvement of productivity. Five-axis controlled machine tool which is added two axes for rotating and tilting to three translational axes, and can give arbitrary tool attitudes for a workpiece.

Machining of Free-Form Surface Base on Cutter Shaft Tilt Method with Ball-End Cutter

2011 ◽  
Vol 215 ◽  
pp. 176-181
Author(s):  
Li Min ◽  
Ke Hua Zhang
Keyword(s):  
Tool Path ◽  
Tool Path Generation ◽  
Free Form ◽  
Real Surface ◽  
End Mill ◽  
Ball End Mill ◽  
Surface Machining ◽  
Processing Accuracy ◽  
Free Form Surface ◽  
Five Axis

A new tool path generation method based on cutter shaft tilt method was proposed for free-form surface machining by using Ball-end Cutter. Firstly, it introduces the processing quality problems caused by traditional ball-end mill processing. Then cutter shaft tilt was proposed to avoid the above questions. Analyzing the different machining efficiency at the different angle, and then cutter shaft tilt compensation method which based on above method could avoid that problem was proposed. After the paths calculation to a real surface and simulation, the result shows that, comparing to traditional machining method, the new method reduced efficiently phenomenon of extruding and scratching surface. It meets five-axis processing accuracy requirements.

Generation of Optimal Tool-Paths for Five-Axis Finish Milling of Free-Form Surfaces

2012 ◽  
Vol 500 ◽  
pp. 440-446
Author(s):  
Lin Geng ◽  
Yun Feng Zhang
Keyword(s):  
Genetic Algorithm ◽  
Tool Path ◽  
Free Form ◽  
Machining Efficiency ◽  
Interference Avoidance ◽  
Tool Paths ◽  
Modified Genetic Algorithm ◽  
Novel Method ◽  
Five Axis ◽  
Free Form Surfaces

In this paper, a novel method is proposed to generate optimal 5-axis finish tool-paths regarding joint movements and machining efficiency. A modified genetic algorithm is used to search for the optimal posture sequence along a tool-path while interference avoidance and surface finish quality act as constraints. Case studies are then provided to prove the effectiveness of the algorithm.

scholarly journals Tool Path Generation for Five-Axis Control Semi Finishing by Use of Square End Mill

2012 ◽  
Vol 78 (793) ◽  
pp. 3305-3316 ◽  
Author(s):  
Noriyuki NATSUME ◽  
Keiichi NAKAMOTO ◽  
Tohru ISHIDA ◽  
Yoshimi TAKEUCHI
Keyword(s):  
Tool Path ◽  
Tool Path Generation ◽  
Path Generation ◽  
End Mill ◽  
Five Axis

A Benchmark Comparison of Curvature Matched Machining versus Three- and Five-Axis Machining Methods Applied to Industrial Part Surfaces

2002 ◽  
Author(s):  
J. K. Hill ◽  
R. M. Cheatham ◽  
C. G. Jensen
Keyword(s):  
Power Generation ◽  
Surface Finish ◽  
Path Length ◽  
Tool Path ◽  
Machining Operations ◽  
Five Axis ◽  
Industrial Part

Parts representing the aerospace, automotive, and power generation industries were machined using Curvature Matched Machining, Sturz milling, and traditional 3-axis ball-end methods. The performance of these methods were compared using the benchmarks of tool path length, surface finish, and post-machining finishing time. Curvature Matched Machining proved to be superior method for the parts studied. Significant reductions in tool path length were observed (over 80% in some instances). Improvements were also realized in surface finish and post-machining operations.

scholarly journals Cutting force and machine kinematics constrained cutter location planning for five-axis flank milling of ruled surfaces

2017 ◽  
Vol 4 (3) ◽  
pp. 203-217 ◽  
Author(s):  
Ke Xu ◽  
Jiarui Wang ◽  
Chih-Hsing Chu ◽  
Kai Tang
Keyword(s):  
Cutting Force ◽  
Surface Quality ◽  
Feed Rate ◽  
Tool Path ◽  
Flank Milling ◽  
Machining Efficiency ◽  
Location Planning ◽  
Tool Positioning ◽  
Finished Surface ◽  
Five Axis

Abstract Five-axis flank milling has been commonly used in the manufacturing of complex workpieces because of its greater productivity than that of three-axis or five-axis end milling. The advantage of this milling operation largely depends on effective cutter location planning. The finished surface sometimes suffers from large geometrical errors induced by improper tool positioning, due to the non-developability of most ruled surfaces in industrial applications. In addition, a slender flank-milling cutter may be deflected when subjected to large cutting forces during the machining process, further degrading the surface quality or even breaking the cutter. This paper proposes a novel tool path planning scheme to address those problems. A simple but effective algorithm is developed to adaptively allocate a series of cutter locations over the design surface with each one being confined within an angular rotation range. The allocation result satisfies a given constraint of geometrical errors on the finished surface, which consists of the tool positioning errors at each cutter location and the sweeping errors between consecutive ones. In addition, a feed rate scheduling algorithm is proposed to maximize the machining efficiency subject to the cutting force constraint and the kinematical constraints of a specific machine configuration. Simulation and experimental tests are conducted to validate the effectiveness of the proposed algorithms. Both the machining efficiency and finish surface quality are greatly improved compared with conventional cutter locations. Highlights Tool position is bounded with respect to the geometrical machining error. Cutting force and kinematics during five-axis flank milling process are analyzed. An incremental adaptive flank milling tool path generation algorithm is proposed. Feed rate is smoothly assigned respecting cutting force and kinematic constraints.

Basic Research on Five-Axis NC Machining of Subdivision Surface

2010 ◽  
Vol 139-141 ◽  
pp. 1237-1240
Author(s):  
Hong Yuan ◽  
Xiao Li Lu ◽  
Rong Jing Hong
Keyword(s):  
Tool Path ◽  
Basic Research ◽  
Nc Machining ◽  
Normal Vector ◽  
Subdivision Surface ◽  
End Mill ◽  
Rough Machining ◽  
Position And Orientation ◽  
Tool Position ◽  
Five Axis

Basic research on five-axis NC machining of subdivision surface is presented. Research on Catmull-Clark subdivision surface, a method is presented by using computational geometry techniques to determine optimal tool position and orientation for 5-axis machining with torus end-mill: The normal vector of the subdivision surface vertex and the offset surface calculation are discussed firstly, then the rough machining model of subdivision surface is built and machined by using five-axis machining with the motion of the torus end-mill position and orientation according to the normal line of the surface. The tool position and orientation, cutting radius and tool path are calculated. Finally a computer simulation instantiation is given. This method improves the machining ability of subdivision surfaces.

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