Results 171 to 180 of about 875,844 (193)
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Journal of Materials Processing Technology, 1996
Abstract Predicting the behaviour of steel during a deformation process, and then under service conditions, is one of the main challenges in cold forming. The design of optimized forging schedules, by means of classical trial+errors procedures, has become increasingly heavy in terms of time and cost in a competitive environment.
G. Brethenoux +4 more
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Abstract Predicting the behaviour of steel during a deformation process, and then under service conditions, is one of the main challenges in cold forming. The design of optimized forging schedules, by means of classical trial+errors procedures, has become increasingly heavy in terms of time and cost in a competitive environment.
G. Brethenoux +4 more
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Recent Developments in the Design and Control of Cold Forming Processes
1999In the paper some problems of process design and control in metal forming are taken into account. In particular as far as the former aspect is concerned, the problem of the preform design in cold forging is analyzed: the contributions offered by several researchers are presented and an innovative design procedure is proposed.
N. Alberti, F. Micari
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Knowledge Base Controller for Cold Forming Mills in Iron and Steel Production Process
IFAC Proceedings Volumes, 1992Abstract Cold forming mills in the steel production process comprises of two cascaded DC motor stands and a flying shear to cut steel coils in accurate lengths. The main objective of the control scheme is to maintain the speed difference between the two stands within a specified limit in order to prevent producing inaccurate lengths.
M.M.F. Sakr, A. El-Tobshi, H. Shehata
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A New Testing Method for the Determination of Ductile Fracture in Cold Forming Processes
CIRP Annals, 1983The primary objective of this study is to show that ductile fracture mechanism in cold forming is highly dependent on the state of stress resulting from the process. So, it is convenient to use identification testing procedure and well defined method for determining equivalent strain at fracture.
J.C. Gelin +3 more
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Online Activities Development to Improve the Understanding of the Processes for Sheet Cold Forming
Materials Science Forum, 2013When it comes to teaching of manufacturing processes and more specifically in the related processes to sheet metal forming, communication technologies now allow the development of set of online activities in order to enable the student to understand some of the scientific basis of this process.
R. Álvarez +3 more
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Cold Forming Aluminium Alloys — Development of a Control System for a Phosphate Lubrication Process
CIRP Annals, 1982Summary The zinc phosphate-sodium stearate method of lubrication is used extensively for the cold forming of steel. The control of the chemical composition of the solution used in this process is relatively simple and poses few problems for industry. However, a similar lubrication process which is often used when the higher strength aluminium alloys ...
L.E. Farmer, P.L.B. Oxley
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Analysis of the cold forming process of suspension springs
2011Nowadays in automotive industry great efforts are spent in achieving weight reduction of cars components. The coil springs are not exempt. For this component weight reduction can be obtained by reducing the spring wire diameter. However, to assure that springs maintain the required mechanical properties, it is necessary to adopt material with high ...
BERTI, GUIDO, MONTI, MANUEL
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Image Processing in the Characterization of Crack Propagation in Cold-Formed Steel Samples
2017This paper focuses on a technique developed to monitor and track automatically the crack propagation at two sides of the corner of a coupon to investigate the corner effect on the fracture toughness of the high strength cold-formed steel channel sections.
Daniel Dias-da-Costa +2 more
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A Rolling Process Applied on the Manufacturing of Precision Cold Formed Metal Motor Housings
SAE Technical Paper Series, 2006<div class="htmlview paragraph">The paper discusses the results obtained by the application of the rolling technology to the production of metal motor housings.</div> <div class="htmlview paragraph">In particular a process that allows the production of the motor housing by rolling of a sheet metal strip is described.</div> < ...
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The Development of a Cold Forming Process on an Automatic High-Speed Forming Machine
1975The design and initial development of an automatic high-speed forming machine was presented in an earlier paper1. In the present paper further development of this machine, including the tooling and instrumentation for use in the cold can-extrusion of steel, is described.
T. Scaife, B. Parsons, B. N. Cole
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