... that the inclusion of spindle electronic control provides better accuracy in predicting the chatter in milling. machine tools milling chatter Milling, as all metal cutting processes, can experiences three different types of mechanical vibrations: free, forced, and self-excited vibrations [ 1 , 2...

... detection. 09 07 2010 14 10 2011 12 01 2012 12 01 2012 clutches crack detection feature extraction fracture leak detection machine tools machining chatter pistons seals (stoppers) shapes (structures) surface structure wavelet transforms wavelet decomposition 3D...

... in SCAMP. 06 07 2011 04 10 2011 22 12 2011 22 12 2011 assembling machine tools metal stamping weapons metal stamping stamping tool design stamping experiments modeling and simulation The M855 ball (Fig. 1 ) is a 5.56 mm cartridge and a standard round...

... machine tools metal stamping optimisation pressing sheet metal processing The previous 50 years has been a period of remarkable advances with respect to all facets of sheet steels and how they are formed, including the varieties of steel materials, their production methods, forming equipment...

... surfaces. Moreover, spindle speed and feed rate affected the cutting force significantly. 07 02 2011 18 07 2011 11 08 2011 11 08 2011 alumina cutting decomposition diamond grain size grinding machine tools rods (structures) stochastic processes surface roughness...

... fracture internal stresses machine tools rods (structures) springs (mechanical) stress analysis torsion wear winding (process) combined loads in plasticity residual stresses spring coiling helical spring cold-wounded spring The elastoplastic problem of combined bending and torsion...

... markets in the area of nonconventional machining. AWJ overlapping path milling slot lateral feed jets machine tools milling 26 07 2010 13 05 2011 01 07 2011 01 07 2011 2011 American Society of Mechanical Engineers ...

... composites finite element analysis fracture laser beam machining machine tools 16 06 2009 04 01 2010 19 10 2010 19 10 2010 Tool wear tests were conducted to compare the wear rates for all cutting conditions. Tool wear was characterized by flank wear and subsequent...

... 22 09 2010 22 09 2010 abrasion finite element analysis machine tools turning (machining) Gradual tool wear prediction has been typically approached using empirical models. The applicability of the empirical models such as Taylor’s equation ( 1 ) is very limited especially...

... flow influences the threading force components to a very large extent. 30 04 2009 11 05 2010 23 07 2010 23 07 2010 alloy steel coatings cutting cutting tools dynamometers machine tools turning (machining) cutting forces specific cutting forces steels threading...

...Brandon C. Gegg; Steve C. S. Suh; Albert C. J. Luo In this paper the simplified mechanical model for a machine-tool system is presented. The state and domains are defined with respect to the (contact and frictional force) boundaries in this system. The switching sets for this machine-tool...

... ) is required to close the gap. 31 08 2009 12 04 2010 14 06 2010 14 06 2010 industrial manipulators machine tools manufacturing processes microactuators microassembling There are many challenges in the design, fabrication, and performance characterization...

... presented. 21 10 2008 29 01 2010 31 03 2010 31 03 2010 design engineering kinematics machine tools optimisation parallel mechanisms tool head transmission angle design space optimization As the increasing demand of A / B -axis tool heads...

...Thomas Bonnemains; Hélène Chanal; Belhassen-Chedli Bouzgarrou; Pascal Ray This paper deals with the stiffness computation and model identification of parallel kinematic machine tools (PKMs). Due to their high dynamic abilities, PKMs are subjected to high inertial and cutting loads while machining...

...Burak Sencer, Ph.D. Candidate; Yusuf Altintas; Elizabeth Croft Aerospace, die, and mold industries utilize parts with sculptured surfaces, which are machined on five-axis computer numerical controlled machine tools. Accurate path tracking for contouring is not always possible along the desired...

...Burak Sencer, Ph.D. Candidate; Yusuf Altintas The accurate tracking of tool-paths on five-axis CNC machine tools is essential in achieving high speed machining of dies, molds, and aerospace parts with sculptured surfaces. Because traditional CNCs control the tracking errors of individual drives...

..., the effect of machine/tool system deflections, arising from the higher cutting forces, on the dimensional accuracy of the machined feature can be significant. Higher cutting forces can also result in premature catastrophic tool failure. One approach to overcoming these problems is to employ the thermal...

...Zhixiang Xu; Tim Green In most cases, the servo loops of computer numerically controlled (CNC) machine tools consist of position controllers, drivers, power transmissions, and tables. In the process of diagnosis, adjustment, and calibration of CNC machine tools, it is crucial to make servo loops...

...Jie Zhu; Jun Ni; Albert J. Shih Thermal errors are among the most significant contributors to machine tool errors. Successful reduction in thermal errors has been realized through thermal error compensation techniques in the past few decades. The effectiveness of thermal error models directly...

... method developed in this study provides, therefore, an enhanced methodology for path planning in high-speed, high-precision micromilling operations. 07 08 2007 18 03 2008 25 06 2008 machine tools micromachining milling optimisation splines (mathematics) micromachining...