نتایج جستجو برای: waviness
تعداد نتایج: 432 فیلتر نتایج به سال:
Butt joints are frequently used in assembly processes. However, relatively little attention has been paid to the proper design and selection of butt joint geometries and processes. In this paper, the assembly accuracy performance of different butt joint geometries and joining processes has been studied by using analytical models for part misalignment in the presence of part dimensional errors, ...
Abstract Abrasive wear can have a detrimental effect on machinery, especially in the mining and construction industries. To prolong machinery lifetime cut down energy consumption, thorough understanding of abrasive is essential: surface topography measurement interpretation (including form, waviness, roughness) are vitally important. However, potentially crucial influence intricacies tribologic...
effective elastic properties for carbon nanotube reinforced composites are obtained through a variety of micromechanics techniques. an embedded carbon nanotube in a polymer matrix and its surrounding interphase is replaced with an equivalent fiber for predicting the mechanical properties of the carbon nanotube/polymer composite. the effects of an interphase layer between the nan...
applications of thermoplastic composites have developed extensively. the thermoplastic composites in comparison with the thermoset composites have many advantages. thermoplastic composites can be melted and remolded many times. the duration of manufacturing process of these composites is short, producing very tough material, and the welding ability and multiple recyclings are their further adva...
The morphology of the joint surface is multi-scale, and it can be divided into first-order asperity (waviness) second-order (unevenness). At present, roughness characterization formula considers only contribution waviness unevenness components does not fully consider their mechanical contribution. same time, relationship between still unclear. Thus, considering needs to further studied. In this...
This investigation on the dynamic behaviour of ball bearings was motivated by the demand for silent bearings in noise-sensitive applications, especially in the household appliance and automotive industry. The present investigations are intended to provide a clear understanding of the role of the bearing in the application with respect to its design, its quality and the way in which it is mounte...
Valvetrain is one of the major sources of noise and vibration in IC engines. The importance of cam surface quality parameters is highlighted in the valve train mechanisms with direct sliding contact between cam and tappet. In this paper, the influence of surface quality parameters on high frequency noise producing is investigated. The roughness and waviness of some intake and exhaust camshafts ...
The structure of a surface grinder comprises of a base, all the other machine members like column, the reciprocating table, the grinding wheel, spindle and spindle motor are all supported on the base. In the design of one such surface grinder waviness was observed on the ground surface. It has become necessary to investigate into the behavior of the machine under working conditions. Investigati...
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