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Keywords: stability
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Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. December 2019, 141(12): 121002.
Paper No: MANU-19-1048
Published Online: October 17, 2019
... the cutting force and tool/workpiece deflection for user-selected operating parameters. A good agreement between predicted and measured cutting forces is first demonstrated for two non-standard edge geometry endmills. Second, the results of stability tests are compared with simulation predictions for multiple...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. June 2019, 141(6): 061006.
Paper No: MANU-18-1709
Published Online: April 12, 2019
...Oguzhan Tuysuz; Yusuf Altintas The machining process induced damping caused by the indentation of the cutting edge into the wavy cut surface greatly affects the process stability in low-speed machining of thermally resistant alloys and hardened steel, which have high-frequency vibration marks...
Journal Articles
Article Type: Review Articles
J. Manuf. Sci. Eng. December 2018, 140(12): 120801.
Paper No: MANU-18-1035
Published Online: October 5, 2018
... error (SLE) and surface roughness under both stable and period-2 bifurcation conditions. These results are summarized. To aid in parameter selection that yields period- n behavior, graphical tools including Poincaré maps, bifurcation diagrams, and stability maps are presented. Manuscript received...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. February 2014, 136(1): 011003.
Paper No: MANU-12-1047
Published Online: November 5, 2013
..., it is also shown that the worst spindle speeds for a milling operation can be found without the prior knowledge of modal dynamics and stability lobe diagram. The proposed analytical expressions are confirmed by the existing stability models and experimentally verified. milling stability critical...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. October 2013, 135(5): 051011.
Paper No: MANU-13-1094
Published Online: September 11, 2013
..., and increase of roughness. Continuous workpiece speed variation is demonstrated to be an efficient method among chatter suppression techniques but variation parameters (amplitude and frequency) are normally selected based on trial-and-errors. Therefore, a dynamic stability approach is proposed in which optimal...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. August 2013, 135(4): 044502.
Paper No: MANU-12-1368
Published Online: July 17, 2013
... cience and E ngineering . Manuscript received December 25, 2012; final manuscript received April 18, 2013; published online July 17, 2013. Assoc. Editor: Tony Schmitz. 25 12 2012 18 04 2013 23 04 2013 This paper presents a time-domain semi-analytical method for stability...
Journal Articles
Article Type: Research-Article
J. Manuf. Sci. Eng. June 2013, 135(3): 031011.
Paper No: MANU-12-1141
Published Online: May 24, 2013
... online May 24, 2013. Assoc. Editor: Burak Ozdoganlar. 10 05 2012 18 02 2013 This paper presents the prediction of cutting forces and chatter stability of micro-milling operations from the material's constitutive flow stress and structural dynamics of the micro-end mill. The cutting...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2010, 132(1): 011014.
Published Online: February 2, 2010
...D. Barrenetxea; J. Álvarez; J. I. Marquínez; J. Madariaga; I. Gallego; I. Muguerza Perelló This paper presents new simulation models and global stability charts that have been developed to analyze the principal instabilities and constraints involved in the throughfeed centerless grinding process...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. August 2009, 131(4): 041005.
Published Online: July 8, 2009
...M. Eynian; Y. Altintas The accurate prediction of chatter stability in general turning operations requires the inclusion of tool geometry and cutting conditions. This paper presents regenerative chip and regenerative chip area/cutting edge contact length based dynamic cutting force models, which...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. June 2008, 130(3): 031001.
Published Online: May 2, 2008
... , “ Design of a Multi-Level Fuzzy Controller for Nonlinear Systems and Stability Analysis ,” IEEE Trans. Fuzzy Syst. 1063-6706 10.1109/TFUZZ.2005.859308 , 13 ( 6 ), pp. 761 – 778 . Farinwata , S. S. , Filev , D. , and Langari , R. , 2000 , Fuzzy Control Synthesis and Analysis...
Journal Articles
Article Type: Research Papers
J. Manuf. Sci. Eng. February 2008, 130(1): 011017.
Published Online: February 15, 2008
...Robert G. Landers; A. Galip Ulsoy Regenerative chatter is a major limitation to the productivity and quality of machining operations due to the excessive rate of tool wear and scrap parts which are produced. Machining chatter analysis techniques examine the stability of the closed-loop model (force...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. June 2007, 129(3): 644–652.
Published Online: November 13, 2006
... controller is designed based on the dynamic EFE model. We then evaluate the performance of the controller such as stability and sensitivity. A self-updating algorithm for the controller will track the latest process information to stabilize the controller output. Finally, we simulate this process adjustment...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2006, 128(4): 960–968.
Published Online: June 24, 2006
.... (c) The scope is extended. Our simplified ray-shooting approach yields a grasp stability index suitable for grasp planning. Numerical examples in fixturing and grasping show the enhancement superiority. Let T * be the polar set of T . From Eqs. 7 , 8 , 11 , T * can...
Journal Articles
Article Type: Technical Briefs
J. Manuf. Sci. Eng. February 2006, 128(1): 346–349.
Published Online: June 14, 2005
... for suppressing regenerative chatter with the critical regenerative effect taken into account. Furthermore, a novel hybrid time and frequency domain approach is developed for generating the stability lobe diagram for the dynamic system after control, since the conventional frequency domain approach is no longer...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2005, 127(4): 791–800.
Published Online: February 15, 2005
...Nejat Olgac; Rifat Sipahi A novel analytical tool is presented to assess the stability of simultaneous machining (SM) dynamics, which is also known as parallel machining . In SM, multiple cutting tools, which are driven by multiple spindles at different speeds, operate on the same workpiece. Its...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. November 2005, 127(4): 781–790.
Published Online: February 4, 2005
... to couple the three substructures. Experimental validation is provided. 06 04 2004 04 02 2005 couplings machine tool spindles machine components finite difference methods high-speed machining milling stability beam finite element One area of manufacturing research...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2005, 127(3): 433–445.
Published Online: December 14, 2004
...-domain models suffer from being computationally intensive, particularly when they are used to predict the boundary of chatter stability, when a large number of simulation runs are required under different milling conditions. Furthermore, to identify the boundary of stability each simulation must run...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2004, 126(3): 467–474.
Published Online: September 7, 2004
...William T. Corpus; William J. Endres An added family of stability lobes, which exists in addition to the traditional stability lobes, has been identified for the case of periodically time varying systems. An analytical solution of arbitrary order is presented that identifies and locates multiple...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2004, 126(3): 481–487.
Published Online: September 7, 2004
...T. Insperger, Assistant Professor; G. Ste´pa´n, Professor, The stability charts of high-speed milling are constructed. New unstable regions and vibration frequencies are identified. These are related to flip bifurcation, i.e. period doubling vibrations occur apart of the conventional self-excited...
Journal Articles
Article Type: Technical Papers
J. Manuf. Sci. Eng. August 2005, 127(3): 446–453.
Published Online: July 8, 2004
...Brian P. Mann; Keith A. Young; Tony L. Schmitz; David N. Dilley Optimizing the milling process requires a priori knowledge of many process variables. However, the ability to include both milling stability and accuracy information is limited because current methods do not provide simultaneous...