Search Results - "Altintas, Y."

Integration of virtual and on-line machining process control and monitoring by Altintas, Y., Aslan, D.

“…This paper presents a virtually assisted on-line milling process control and monitoring system. A part machining process is simulated to predict the cutting…”
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Machine tool spindle units by Abele, E., Altintas, Y., Brecher, C.

“…This paper presents the state-of-the-art in machine tool main spindle units with focus on motorized spindle units for high speed and high performance cutting…”
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Optimization of multiple tuned mass dampers to suppress machine tool chatter by Yang, Y., Muñoa, J., Altintas, Y.

“…Chatter is more detrimental to machining due to its instability than forced vibrations. This paper presents design and optimal tuning of multiple tuned mass…”
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High speed tooltip FRF predictions of arbitrary tool-holder combinations based on operational spindle identification by Postel, M., Özsahin, O., Altintas, Y.

“…The chatter vibrations in milling are avoided by selecting spindle speeds and depth of cuts from the stability lobes. However, it has been well observed that…”
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Machine tool feed drives by Altintas, Y., Verl, A., Brecher, C., Uriarte, L., Pritschow, G.

“…This paper reviews the design and control of feed drive systems used in machine tools. Machine tool guides designed using friction, rolling element,…”
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Unified cutting force model for turning, boring, drilling and milling operations by Kaymakci, M., Kilic, Z.M., Altintas, Y.

“…A unified cutting mechanics model is developed for the prediction of cutting forces in milling, boring, turning and drilling operations with inserted tools…”
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Prediction of frequency response function (FRF) of asymmetric tools from the analytical coupling of spindle and beam models of holder and tool by Özşahin, O., Altintas, Y.

“…The prediction of chatter stability diagrams in milling requires accurate frequency response functions (FRF) at the tool – workpiece contact zone…”
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Generalized mechanics and dynamics of metal cutting operations for unified simulations by Kilic, Z.M., Altintas, Y.

“…This paper presents the unified modeling of mechanics and dynamics of metal cutting operations such as turning, boring, drilling and milling. The distribution…”
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Chatter Stability of Metal Cutting and Grinding by Altintas, Y., Weck, M.

“…This paper reviews fundamental modeling of chatter vibrations in metal cutting and grinding processes. The avoidance of chatter vibrations in industry is also…”
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Stability of lateral, torsional and axial vibrations in drilling by Ahmadi, K., Altintas, Y.

“…Instability caused by whirling, lateral and torsional-axial modes of the drill causes dimensional inaccuracies of the holes and may damage the drills. A…”
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Virtual compensation of deflection errors in ball end milling of flexible blades by Altintas, Y., Tuysuz, O., Habibi, M., Li, Z.L.

“…The deflections of highly flexible turbine blades and slender end mills lead to tolerance violations during milling. This paper presents a digital simulation…”
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Modeling of spindle-bearing and machine tool systems for virtual simulation of milling operations by Cao, Yuzhong, Altintas, Y.

“…This paper presents a general, integrated model of the spindle bearing and machine tool system, consisting of a rotating shaft, tool holder, angular contact…”
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Identification of dynamic cutting force coefficients and chatter stability with process damping by Altintas, Y., Eynian, M., Onozuka, H.

“…This paper presents a cutting force model which has three dynamic cutting force coefficients related to regenerative chip thickness, velocity and acceleration…”
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Prediction of part machining cycle times via virtual CNC by Altintas, Y., Tulsyan, S.

“…This paper presents the virtual prediction of part machining cycle times within 95% accuracy by considering the trajectory generation and corner smoothing…”
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Feed optimization for five-axis CNC machine tools with drive constraints by Sencer, B., Altintas, Y., Croft, E.

“…Real time control of five-axis machine tools requires smooth generation of feed, acceleration and jerk in CNC systems without violating the physical limits of…”
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Trajectory generation and control of a 9 axis CNC micromachining center by Yuen, A., Altintas, Y.

“…A novel 9-axis micro-machine is presented. The machine has three linear motor driven major axes and a magnetically levitated rotary table with six degrees of…”
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Contour error control of CNC machine tools with vibration avoidance by Altintas, Y., Khoshdarregi, M.R.

“…A vibration avoidance and contouring error compensation algorithm for feed drives is presented. The residual vibrations are avoided by applying input shaping…”
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Mechanics and dynamics of orbital drilling operations by Ozturk, O.M., Kilic, Z.M., Altintas, Y.

“…This paper presents a general and unified model which predicts tool – workpiece engagement, chip geometry, cutting forces, chatter stability and hole surface…”
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Generalized modelling of cutting tool geometries for unified process simulation by Kilic, Z.M., Altintas, Y.

“…This paper presents a generalized geometric model of cutting tools for the purpose of predicting the mechanics and dynamics of machining operations. The model…”
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Mechanics of micro-milling with round edge tools by Altintas, Y., Jin, X.

“…This paper presents analytical prediction of micro-milling forces from constitutive model of the material and friction coefficient. The chip formation process…”
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