Our Dynamic Peripheral Milling Of Fle ible Structures Asme Dc


Dynamic Analysis — Part 2: MDOF ... - Ebooks | ASME DC

This chapter, the second one on dynamic analysis, focuses on general applications of dynamic analysis to piping systems. It includes the response spectra method for earthquake analysis, harmonic analysis of steady-state vibration, and the time-history analysis for general fluid transient loads.

A Systematic Method for Kinematics Synthesis of ... - ASME DC

Park, C., and Chopra, I., 1994, "Modeling Piezoceramic Actuation of Beams in Torsion," 35th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference and Adaptive Structures Conference, Hilton Head, S.C.

Table of contents for Library of Congress control number ...

Finite Element Modeling of Orthogonal Metal Cutting K. Komvopoulos and S. A. Erpenbeck..... 1 Dynamic Peripheral Milling of Flexible Structures Y. Altintas, D. Montgomery, and E. Budak .....

Influence of Cutting and Geometrical Parameters on the ...

This paper presents a numerical modelling of the dynamic behaviour of the Machine-Tool-Part system (MOP) in milling. The numerical study of such complex structure requires the use of sophisticated method like finite elements one.

Characteristic Equation-Based Dynamic Analysis ... - ASME DC

Characteristic Equation-Based Dynamic Analysis of a Three-Revolute Prismatic Spherical Parallel Kinematic Machine. Jun Zhang 1, Jian S. Dai and Tian Huang ... Huang T. Characteristic Equation-Based Dynamic Analysis of a Three-Revolute Prismatic Spherical Parallel Kinematic Machine. ASME. J. Comput. Nonlinear Dynam.

Dynamic Response of Three-Dimensional Framed Structures ...

The orthogonality condition for vibrating three-dimensional framed structures has been directly applied to solve initial value problems. In solving the dynamic response problems due to force and displacement excitations by using the mode expansion method it is necessary …

Machining forces prediction for peripheral milling of low ...

Machining forces prediction for peripheral milling of low-rigidity component with curved geometry. ... (1992) Dynamic peripheral milling of flexible structures. ASME J Eng Ind 114:137–145 CrossRef Google Scholar. 14. Elbestawi MA, Sagherian R (1991) Dynamic modeling for the prediction of surface errors in the milling of thin-walled sections ...

Vibration Suppression of Flexible Structures Utilizing ...

This idea results in achieving higher efficiency of vibration suppression for flexible structures subjected to horizontal harmonic excitation. Namely, the two sloshing modes (1, 0) and (0, 1) in a nearly square tank are degenerated and hence their natural frequencies are nearly equal with each other.

Control of Marine Structures | Journal of Energy ... - ASME DC

Active control of the motion of marine structures may produce structural and operational savings over conventional passive designs. It is shown how equations of motion of typical marine structures, including those with frequency-dependent coefficients, may be rendered into a form compatible with modern controller design methods.

Milling workpiece chatter avoidance using piezoelectric ...

During the milling of thin-walled and flexible structures such as those manufactured for the aerospace industries, workpiece chatter can become a key factor that limits productivity. Chatter is a form of self-excited vibration that can be stabilized by increasing the damping of the vibrating structure.

A Comprehensive Dynamic End Milling Simulation ... - ASME DC

This paper presents a comprehensive time domain model that simulates end milling processes under general cutting conditions. Over an extensive range of axial depths of cut, the model can accurately predict regenerative forces and dynamic responses by considering varying dynamics along the cutting depth, three-dimensional forces, and cutting tool geometries.

People at the Multibody Dynamics Lab - Indiana University

Wasfy, T.M., "High-fidelity modeling of flexible timing belts using an explicit finite element code," ASME DETC2011-48846, Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference (IDETC/CIE 2011), 8th International Conference on Multibody Systems, Nonlinear ...

Cutting Force Analysis of Turn-Milling Micro ... - ASME DC

International Conference on Mechanical Engineering and Technology (ICMET-London 2011) > Cutting Force Analysis of Turn-Milling Micro-Miniature Parts

Dynamic Peripheral Milling of Flexible Structures - ASME DC

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Effects of End Mill Helix Angle on Accuracy for Machining ...

[4] Y. Altintas, D. Montgomery and E. Budak, Dynamic peripheral milling of flexible structures, J. of Eng. for Industry (Transaction of the ASME) 114 (1992) 137-145. [5] E. Budak and Y. Altintas, Peripheral milling conditions for improved dimensional accuracy, Int. J. of Mach. Tools and Manufacture 34 (1994) 907-918.

Experimental Investigation of Peripheral Milling of ...

In this study, peripheral milling of functionally gradient concentration of SiC in aluminum matrix using carbide tools is discussed. The process conditions were varied namely, the feed was varied from 0.1 mm/rev to 0.3 mm/rev and the speed from 1000 to 5000 rpm with a constant depth of cut of 1.27mm.

Adaptive Active Chatter Control in Milling Processes ...

Chatter is an undesirable dynamic phenomenon in machining processes, which causes cutting disturbance, overcut, quick tool wear, etc., and thus seriously impairs workpiece quality. To mitigate chatter, traditional methods called passive control focus …

Dynamic peripheral milling of flexible structures ...

A dynamic model for peripheral milling of very flexible plate type structures has been presented. The structural dynamics of a cantilevered plate structure is modelled at the tool-workpiece ...

CAD Assisted Adaptive Control for Milling - ASME DC

A milling process adaptive control method, which prevents force overshoots during sudden part geometry changes, has been developed by providing online information to …

A Parametric FEA System for Fixturing of Thin-walled ...

Integration of dynamic behaviour variations in the stability lobes method: 3D lobes construction and application to thin-walled structure milling. International Journal of …

Modeling and avoidance of static form errors in peripheral ...

The peripheral milling of such components is complicated, where periodically varying milling forces excite the flexible cutter and plate structures both statically and dynamically. Static deflections produce dimensional form errors, and dynamic displacements produce poor surface finish in milling.

Effects of end mill helix angle on accuracy for machining ...

Dynamic model for milling of low rigidity cantilever plate structure was proposed by Altintas et al. [4]. However, the model did not taken into account the changing of structural properties on …

Investigation of Period-Doubling Islands in ... - ASME DC

The different cases associated with a helical milling tool. The gray area represents the cutting zone and, in graph (a) only a single flute is cutting at any instant, while in graphs (b) and (c) multiple flutes are cutting due to a high depth of cut, and a high radial step-over distance, respectively.Graph (d) shows the case of a high depth of cut combined with a high radial step-over distance.

Dynamic Performance Analysis on Helical Milling Spindle Unit

Helical milling is a new holes processing technology, in which the special tool moves to the work piece with a helical path. Helical milling spindle unit is designed based on the helical milling machining principle. The dynamic performance of the unit has much effect on the workpiece surface quality. According to the whole transfer matrix method, the first four order critical speeds are ...

Analytical modelling of the milling process geometry based ...

A new approach for modelling the milling process geometry is presented. The main geometrical parameters are modelled on the basis of the true tooth trajectory of a trochoid. A simulation study using the model has been conducted to investigate the effects of the feed, cutter diameter and number of ...

Tool path strategies for high speed milling aluminum ...

Altintas [3] presented a dynamic model for peripheral milling of very flexible plate type structures, but his experimental work was confined to a low spindle speed range. Rao [4] indicates that the machining of supported thin webs is relatively straightforward.

Dynamic Design of a High-Speed Motorized Spindle ... - ASME DC

This technical brief presents a dynamic model based on the traditional transfer matrix method (TMM) and Jones–Harris nonlinear rolling bearing model to study the effects of the extended structure parameters on the vibration behavior of a high-speed motorized spindle-bearing system.

Y. Altintas, D. Montgomery and E. Budak, "Dynamic ...

Y. Altintas, D. Montgomery and E. Budak, "Dynamic Peripheral Milling of Flexible Structures," ASME Journal of Engineering for Industry, Vol. 114, No. 2, 1992, pp ...

Modeling and Analysis of Spindle with Active Magnetic ...

The high speed milling represents the most important process to produce parts in different fields such as aeronautics, automotive and mould. It allows obtaining parts with …

Simulation of low rigidity part machining applied to thin ...

Simulation of low rigidity part machining applied to thin-walled structures. Authors; Authors and affiliations ... Montgomery D, Altintas Y (1991) Mechanism of cutting force and surface generation in dynamic milling. Trans ASME J Eng Ind 113:160–168 ... Montgomery D, Budak E (1992) Dynamic peripheral milling of flexible structures. Trans ASME ...

Manufacturing Automation by Yusuf Altintas - Cambridge Core

[this] book has the advantage of involving a quantitative coverage of the topics, something lacking in other similar books. The language is simple and clear, and so are the illustrations … certainly a good addition to the manufacturing engineering library.'

Mechanism of Cutting Force and Surface Generation in ...

WORKPIECE Fig. 1 (a) Peripheral milling of a flexible workpiece, (fa) Schemati model of dynamic cutting the topology of finished workpiece surface, cutting forces in