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Optimal Replacement Policy for Cold Standby System
cold standby system maintenance policy gamma process geometrical process
2011/8/4
Investigators are attracted by the complexity and significance of preventive maintenance problem, and there are hundreds of maintenance models and methods to solve the maintenance problems of companie...
Effect of surface roughness on friction in cold forging
Tip test Friction measurement Surface roughness
2010/1/19
Purpose: Tip test has been developed to characterize the friction during cold forging process based on a linear
relationship between the maximum load and radial tip distance measured. In this previou...
Delineation of Frost Characteristics on Cold Walls by Using a New Formula for Psychrometrics Demarcation Boundary
frost formation psychrometric-subsaturated demarcation criteri
2010/1/15
In this study, a direct new formula that predicts frost formation on cold walls corresponding to psychrometric-subsaturated.
The new formula uses data of the entering air dry-bulb temperature and abs...
An analysis of the influence of decompression cavity on the cold hobbing processes
Finite element method Decompression cavity Cold hobbing Die manufacturing
2010/2/8
Purpose: This study aims to investigate the influence of decompression cavity on the cold hobbing processes.Design/methodology/approach: In the current study, the rigid-plastic finite element method w...
Heat treatment of cold formed steel forgings for the automotive industry
Heat treatment Steel forgings Temperature measurements
2010/2/22
Purpose: In the Slovenian company ISKRA Avtoelektrika they manufacture, with the processes of cold forming,a great number of a different steel forgings for the Slovenian and European automotive indust...
2 February 2007，Existing microelectromechanical devices can determine the mass of tiny objects weighing 10-18 grams (attograms). However, all such devices require extremely controlled conditions in wh...