Modeling and simulation of high speed milling centers dynamics

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: DOI:10.1007/s00170-010-2884-z

http://dx.doi.org/10.1007/s00170-010-2884-z

This is an author-deposited version published in: http://oatao.univ-toulouse.fr/ Eprints ID: 8488

To cite this version:

Msaddek, El Bechir and Bouaziz, Zoubeir and Baili, Maher and Dessein, Gilles

Modeling and simulation of high speed milling centers dynamics. (2011) The

International Journal of Advanced Manufacturing Technology, vol. 53 (n° 9-12).

pp. 877-888. ISSN 0268-3768

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MODELING AND SIMULATION OF HIGH SPEED MILLING CENTERS

DYNAMICS

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1. Introduction 

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2. The Tool-Machine NC dynamic Modeling in HSM 

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2.1.1. Tool path modeling by arc of circle

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Figure 1. a) Tangential discontinuity. b) Connecting with arcs of circle. c) Trajectory modeling by arc of circle (Dugas, 2002).

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2.1.2. Static Look Ahead

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Figure 2. Static look ahead calculation (Tapis et al., 2006)

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2.1.3. Dynamic look ahead 

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Figure 3 a) Tested trajectory (MEHDI, 2000). b) Pocket obtained by Mastercam©. c) Tool path simulated with Matlab©. d) Modified tool trajectory.

3.1.2. Real feed rate simulation

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Feed rate simulated on whole pocket

programmed feed rate

feed rate A B C D E F G B A 

Figure 4. Simulated feed rate profile (Static Look Ahead) on the whole pocket.



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Ø Calculation of the Dynamic Look Ahead type on the trajectory

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Figure 5. a) Real feed rate profile simulated with the dynamic look ahead on the trajectory ABCDEFG. b) Feed rate profile recorded experimentally (MEHDI, 2000).

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3.2.1. Part definition and tool path simulation

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Figure 6. a) The drawing of a part definition. b) Virtual piece obtained by Mastercam©. c) A go and back simulated trajectory.

3.2.2. Feed rate profile simulation and validation with the experimental result

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Ø Feed rate profile

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Figure 7. Feed rate profile simulated and measured on Machine.

Ø Comparison of the simulation result and the experimental statement

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4. Conclusion

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