Results 131 to 140 of about 88,584 (156)
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Developments of work roll bite lubrication at SSAB Tunnplåt AB hot strip mill
Steel Research = Archiv Für Das Eisenhüttenwesen, 1996In the strip rolling process friction is needed at first to pull the strip into the roll gap, otherwise slipping occurs. After the neutral plane however, where the velocity of the work roll equals the velocity of the strip, the friction stress alters direction to the opposite.
exaly +2 more sources
Plastic Strain Rate in Roll Bite Region During Rolling of Steels
Recent Advances in Heat Transfer and Micro-Structure Modelling for Metal Processing, 1995Abstract During rolling, the workpiece usually undergoes severe reduction or deformation. The associated plastic strain, plastic strain rate, and temperature changes are enormous, especially in the roll bite region and have great effects on the microstructure and mechanical properties of the product.
A. A. Tseng +3 more
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Roll bite conditions controlling formation of wear debris during cold rolling of aluminum
Journal of Materials Processing Technology, 1994Abstract The cleanliness of rolled aluminum sheet is important for the cosmetic properties of the metal and its downstream performance in forming operations. The surfaces of rolled sheet are covered by residual rolling oil and inorganic debris produced during rolling. This wear debris is often labelled as smut or smudge.
K.R. Januszkiewicz +2 more
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Laryngeal mask bite blocks ‐ rolled gauze versus Guedel airway
Acta Anaesthesiologica Scandinavica, 1997Background: Biting on the silicone tube and pilot balloon of the laryngeal mask airway (LMA) may obstruct or damage them with the teeth and a bite block is recommended. The recommended bite block is a wad of gauze swabs rolled into a cylindrical shape and placed alongside the LMA.
C, Keller, H J, Sparr, J R, Brimacombe
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Estimated Roll Bite Temperatures Encountered in Cold Rolling, and Their Effect in Rolling
Journal of Engineering for Industry, 1967In modern cold rolling, strip exit velocities of the order of thousands of feet per minute are employed. Even if only moderate reductions of the strip are performed, large amounts of heat are generated due to deformation and friction. This work presents a mathematical formulation of the problem of the temperature in the roll bite as strain rate is ...
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Dynamic Load Limitation in Electromechanical Systems of the Rolling Mill Stand during Biting
2020 IEEE 11th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT), 2020The paper describes the characteristics of the reversing 5000 rolling mill stand from Magnitogorsk Iron and Steel Works (MMK PJSC). Causes for intolerable dynamic loads during biting are noted. It is shown in the text that one of such causes is angular plays in spindle joints.
A. A. Radionov +4 more
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Revue de Métallurgie, 2012
Following the Upper Bound Method (UBM), the velocity field in a rolling process is the one that minimises the power function [W. Prager, P.G. Hodge, Theory of Perfectly Plasticity Solids, Wiley, New York, 1951]. Generally, a family of velocity fields with few parameters is studied and the velocity field which minimises the power function is the best ...
Ngo, Quang Tien +2 more
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Following the Upper Bound Method (UBM), the velocity field in a rolling process is the one that minimises the power function [W. Prager, P.G. Hodge, Theory of Perfectly Plasticity Solids, Wiley, New York, 1951]. Generally, a family of velocity fields with few parameters is studied and the velocity field which minimises the power function is the best ...
Ngo, Quang Tien +2 more
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The effect of cotton roll biting on auditory evoked magnetic fields
International Congress Series, 2004Abstract We have reported numerous clinical cases where a patient's unilateral chewing was thought to have reduced hearing ability. The purpose of this study is to determine whether occlusion and chewing function affect auditory evoked magnetic fields (AEFs). The subjects (seven males, 20–29) signed consent forms approved by the institutional ethical
Y Kobayashi +6 more
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