نتایج جستجو برای: multi directional forging

تعداد نتایج: 499848  

Journal: :international journal of advanced design and manufacturing technology 0
mohammad heydari vini department of engineering, islamic azad university,mobarakeh branch,mobarakeh,isfahan, ,iran

the forging model for cold rolling is one of rolling models that is used in rolling calculations. in this model,the final rolling pressure is an average value and it is not an accurate model.also by using this model,the firction hill curves are plotted due to the central point of the rolling bite length while frictional stresses intersect at the neutral point.in this study, a new model based on...

A Samadinejad H Khoshnoodi M.H Yas,

In this paper dynamic analysis of multi-directional functionally graded panel is studied using a semi-analytical numerical method entitled the state-space based differential method (SSDQM) and comparative behavior modeling by artificial neural network (ANN) for different parameters. A semi-analytical approach which makes use the three-dimensional elastic theory and assuming the material propert...

2001
S. H. Huang H. Xing G. Wang

Forging is a cost-effective way to produce net-shape or nearnet-shape components. Forged components are used throughout the manufacturing sector in many different applications. Owing to the lack of an accurate process model, modern forging operations still largely rely on operator skills and experience. The expertise of skilled operators can help to develop a forging process model. However, the...

2002
Yu Wang J. J. Garcia-Luna-Aceves

The quest for efficient medium access control (MAC) protocols for multi-hop ad hoc networks has aroused great interest in using directional antennas. Some MAC protocols using directional antennas have been proposed in the past, which trade off spatial reuse and collision avoidance via a combination of omnidirectional and directional transmission modes. In this paper, it is argued that the benef...

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