...A. Brient; M. Brissot; T. Rouxel; J.-C. Sangleboeuf Surface finish determines service life of glass workpieces. Therefore, an extensive polishing phase is usually performed to limit the local irregularities. In this paper, we propose to investigate the influence of the grinding parameters...

... relationship. In this paper, the orthogonal movement/force servo strategy is brought forward based on the orthogonality relation of force control and movement control. Combining with the processing of aspheric surfaces polishing, the paper develops a new three-axis computer numerical control (CNC) compliant...

...H. Xu; K. Komvopoulos A quasi-static mechanics analysis of nanoscale surface polishing that provides insight into the surface topography evolution and the removal of material at the asperity level is presented. The analysis is based on a three-dimensional stochastic model that accounts...

...Liang Liao; Fengfeng Jeff Xi; Kefu Liu In this paper, an adaptive controller is developed for the pressure tracking of the pressurized toolhead in order to maintain the constant contact stress for the polishing process. This is a new polishing control method, which combines the adaptive control...

... applications and the fact that grinding and polishing processes are the dominant technologies used to meet surface finish requirements in this natural material. The experiments are aimed at the determination of the normal component of the cutting force and of the grain traces in microcutting with a single...

... this problem, lensed fibers have been used widely recently, such as lensed fiber employing quadrangular-pyramid-shaped fiber endface (QPSFE). The QPSFE can easily yield any elliptical microlens aspect ratio to match the far field of the high-power laser diode but the fiber endface must be polished...

... of a dual layer TiB 2 + TiB coating on titanium articles. The objective of the present work was to demonstrate the fundamental feasibility of this process by producing uniform thick boride coating layers on titanium articles and to polish them to a very fine surface texture suitable for biomedical implant...

... laser pulses result in smoother surfaces. Results on microfabricated nickel samples using laser pulse durations of 300 ns and 650 ns test this hypothesis. Polishing with 300 ns and 650 ns pulse durations results in an average surface roughness of 66 nm and 47 nm, respectively; reductions of 30% and 50...

... and experimentally. A one-dimensional finite element method model was used to estimate the melt depth and duration for single 50–300 ns laser pulses. The critical frequency was introduced to predict the effectiveness of polishing in the spatial frequency domain. A 1064 nm Nd:YAG laser with 300 ns pulses was used...

...Kamal K. Kar; N. L. Ravikumar; Piyushkumar B. Tailor; J. Ramkumar; D. Sathiyamoorthy The abrasive flow machining (AFM) is used to deburr, radius, polish and remove recast layer of components in a wide range of applications. Material is removed from the workpiece by a flowing semisolid mass across...

...H. Amirabadi; M. Shakeri; O. Horiuchi; J. Imen Polished surfaces are usually used for corrective figuring in ultraprecision machining, but in this research, corrective figuring of a rough quartz sample has been preformed before the polishing process. A capacitor probe has been used to measure out...

... machining of pure polycrystalline Cu using the bacterium Acidithiobacillus ferrooxidans . Cu blocks, polished to four levels of surface roughness, were utilized to examine the surface effects of bacterial machining. The mass change in Cu foil was measured to find the material removal rate. The most probable...

...Heping Chen; Ning Xi; Weihua Sheng; Yifan Chen Surface manufacturing is a process of adding material to or removing material from the surfaces of a part. Spray painting, spray forming, rapid tooling, spray coating, and polishing are some of the typical applications of surface manufacturing, where...

...Wook-Bae Kim; Seung-Hwan Lee; Byung-Kwon Min A surface-finishing method for three-dimensional microchannel structures is proposed. The method utilizes magnetorheological fluid mixed with abrasives as a polishing tool. The influences of the process parameters on the material removal were...