Open Access Open Access  Restricted Access Subscription Access

Dynamic modeling and cutting stability of high speed end milling with regenerative effect

Jakeer Hussain Shaik, KRama Kotaiah, Mansoor Ahmed S, Venkat Royal M

Abstract


Dynamic behavior of spindle method influences chatter stability of system tool significantly. A self-excited vibration of the tool outcomes in unstable slicing procedure which ends up in the chatter on the work surface and it reduces the productiveness. On this paper, a gadget of coupled spindle bearing device is hired by means of considering the angular contact ball bearing forces on stability of machining. The usage of Timoshenko beam detail components, the spindle unit is analyzed by consisting of the gyroscopic and centrifugal terms. Frequency reaction features on the tool-tip are obtained from the dynamic spindle version. Within the second segment, solid version of the device is evolved and its dynamic response is obtained from three dimensional finite detail analysis. The works on analysis of the stability of milling processes focus on calculating the stability boundary of the machining parameters based on the dynamic models characterizing the milling processes. The stability lobe diagrams are generated from frequency response functions (FRF’s) lead toan stability limit prediction for the system at high speed ranges.


Full Text:

PDF

References


Y. Altintas, E. Budak, Analytical prediction of stability lobes in milling, Annals of the CIRP, (1995) 357–362.

S.H.Gao, G.Meng, Unstable islands and bifurcation analysis in a spindle Milling system supported by ball bearings, Journal of Multi-bodyDynamics , (2011)

W.X.TangaandQ.H.Songa,Prediction of chatter stability in high-speed finishing endMilling considering multi-mode dynamics, Int. J. Machine Tools &Manf, 209 (2009) 2585–2591.

V. Gagnola, B.C. Bouzgarrou, P. Ray, C. Barra, Model-based chatter stability predictionfor high-speed spindles, Int. J. Machine Tools &Manf.47, (2007) 1176–1186.

U. Bravo, O. Altuzarra, L.N. Lopez de Lacalle , J.A. Sanchez, F.J. Campa, Stability limits of milling considering the flexibility of the workpieceand the machine, Int. J. Machine Tools &Manf.45, (2005) 1669–1680.

Mane, V. Gagnol , B.C. Bouzgarrou, P. Ray, Stability-based spindle speed control during flexible workpiecehigh-speed milling, Int. J. Machine Tools &Manf.48, (2008) 184–194.

E. Solis, C.R. Peres , J.E. Jimenez , J.R. Alique, J.C. Monje,A new analytical–experimental method for the identificationof stability lobes in high-speed milling, Int. J. Machine Tools &Manf, 44 (2004) 1591–1597.

H. Cao, B.Li , Z. He,Chatter stability of milling with speed- varying dynamics of spindles, Int. J. Machine Tools &Manf, 52 (2012) 50-58.

E. Ozturk,U. Kumar , S. Turner , T. Schmitz,Investigation of spindle bearing preload on dynamics and stability limit in milling, Int. J. Machine Tools &Manf, 61 (2012) 343-346.Z.K. Penga, M.R. Jackson, L.Z. Guo, R.M. Parkin, G. Meng,Effects of bearing clearance on the chatter stability of milling process, Nonlinear Analysis: Real World Applications, 11 (2010) 3577–3589.

H. D Nelson, A finite rotating shaft element using Timoshenko beam theory, Trans. ASME, J. Mech. Des,102 (1980) 793-803.

D. Liu, H. Zhang, Z. Tao, Y.Su, Finite element analysis of high-speed motorized spindle based on ANSYS, The open Mechanical Engineering Journal, 5 (2011) 1-10.


Refbacks

  • There are currently no refbacks.