... 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. clutches crack detection feature extraction fracture leak detection machine tools machining chatter pistons seals (stoppers) shapes (structures) surface structure wavelet transforms wavelet decomposition 3D surface decomposition multiple-scale surface features extraction...

... 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. alumina cutting decomposition diamond grain size grinding machine tools rods (structures) stochastic processes surface roughness ultrasonic machining rotary ultrasonic machining (RUM) surface...

... elastoplasticity 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...

... the entire tool path. 26 07 2010 13 05 2011 01 07 2011 01 07 2011 jets machine tools milling AWJ overlapping path milling slot lateral feed Abrasive waterjet (AWJ) machining is a technology in evident growth since its first industrial application in 1983 [( 1...

... %   Cu / Al 2 O 3 ) . corrosion resistance cutting fibre reinforced composites finite element analysis fracture laser beam machining machine tools 16 06 2009 04 01 2010 19 10 2010 19 10 2010 Effect of tool rake angle on simulated damage...

... coating undergoes the κ -to- α -phase transformation, which makes the wear prediction difficult due to substantial changes in the thermomechanical properties of the Al 2 O 3 coating. 11 05 2009 02 06 2010 22 09 2010 22 09 2010 abrasion finite element analysis machine tools...

... of the friction and increases the hardness. 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 threading grades Threads...

...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...

..., and manipulation. industrial manipulators machine tools manufacturing processes microactuators microassembling The development of manufacturing tools and processes capable of precisely positioning and manipulating nanoscale components and materials is still in its embryonic stage. Manufacturing...

... engineering kinematics machine tools optimisation parallel mechanisms tool head transmission angle design space optimization Kinematic optimization is one of the most important and challenging problems in the field of parallel kinematics. There are two issues involved: performance...

...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...

.... , and Chen , Z. N. , 2006 , “ Automatic Generation of an NC Machining Tool-Path for a 3D Curve Based on Polar Coordinates ,” Int. J. Adv. Manuf. Technol. 0268-3768 , 27 , pp. 1119 – 1123 . Zhang , C. , Zhang , P. , and Cheng , F. , 2001 , “ Fairing Spline Curves and Surfaces...