منابع مشابه
Prediction of Machined surface Roughness A Review
Recent advances in manufacturing technology and industrial automation require efficient and quality oriented machining practices. Performance, cost effectiveness and reliability of the work piece depends on the quality of surface roughness and can be measured with contact (conventional) and non contact (advanced) methods. Various measurement techniques starting from stylus to machine vision are...
متن کاملEffect of surface roughness on steel-steel dry friction coefficient
The influence of surface roughness magnitude and direction on dry static friction coefficient between two similar steel samples has been studied through an experiment. A testing apparatus has been designed and fabricated to measure the friction coefficient for a few forms of surface asperity. According to the results of the experiments, dry friction coefficient is affected by both magnitude and...
متن کاملTHE EFFECT OF OPACIFIERS ON SURFACE ROUGHNESS OFCERAMIC GLAZES
Surface smoothness of ceramic glazes is always an important characteristic of ceramic glazes as a point of surface engineering studies. Surface roughness affects chemical resistivity, glossiness and stainabiliy of glazes. In fact, less surface roughness improves cleanability of the surface by the least usage amount of detergents. In this investigation, surface topography of two common opaque gl...
متن کاملSurface Roughness Impedance
The next generation of linac-based free electron lasers will use very short bunches with a large peak current. For such beams, the impedance caused by submicron imperfections in the vacuum beam tube may generate an additional energy spread within the bunch. A review of two mechanisms of the roughness impedance is given with the emphasis on the importance of the high-aspect ratio property of the...
متن کاملDynamic surface roughness profiler
A dynamic profiler is presented that is capable of precision measurement of surface roughness in the presence of significant vibration or motion. Utilizing a special CCD camera incorporating a micro-polarizer array and a proprietary LED source, quantitative measurements were obtained with exposure times of <100 μsec. The polarization-based interferometer utilizes an adjustable input polarizatio...
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ژورنال
عنوان ژورنال: Journal of the Japan Society for Precision Engineering
سال: 2007
ISSN: 1882-675X,0912-0289
DOI: 10.2493/jjspe.73.201