The flow of cooling water to the mould is periodically interrupted, or pulsed on a cyclic basis. Presentations ppt, key, pdf logging in or signing up. Find, read and cite all the research you need on researchgate. Bibliographie s rfrences of steel sheet and its application to actual press forming. Direct chill casting process for aluminum ingots a new. Tole mince et planes emboutir les toles minces bruit w. Abstracta new cooling technique has been developed to give control over the rate of heat abstraction during the direct chill casting process. Validity and feasibility of the present scheme are further justified by the. Download as ppt, pdf, txt or read online from scribd. This method is based on analytical model using the membrane equilibrium equation and experimental data involving the measurement of only polar deflection and applied hydraulic pressure.
Jai eu en effet quelques mois dabsence sur le forum. Lemboutissage des aciers livre et ebook mecanique et. E par alain col ingnieurconseil, consultac, expert en mise en forme des tles minces n ancien responsable mise en forme sollac. Applications claiming priority 1 application number priority date filing date title. Centres dusinage cnc machining centers mubea systems s. Pdf conception automatique et optimisation des surfaces. Unlike the widely used newtonraphson counterpart, the present scheme features an iterative solution procedure on entire time and space domain. Cet exemple a ete traite experimentalement sur une machine. By varying the ratio of water on to water off time, good control over the rate at which the coolant removes heat from the ingot can be achieved. Artificial marble manufacturing process artificial quartz stone producing machinecuarzo artificial duration. A nonincremental timespace algorithm for numerical.
1175 491 1076 1443 1297 525 946 804 253 565 909 66 1051 843 531 1378 339 844 1147 1244 725 159 1292 129 972 1214 1441 42 214 688 907 32 704 690 263 1292 1467