Numerical Simulation Of Horizontal Continuous Casting Of Copper Tube

Horizontal continuous casting was originated in 1950s and applied to produce non-ferrous metal firstly. Afterward, it was developed rapid to produce black metal. Now industrialization of common steel and special steel produced by horizontal continuous casting has been realized. High quality hollow tube billet produced by horizontal continuous casting can satisfy the requirements of direct rolling in casting conditions. This has been considered as a profound near net shape manufacture technology. National research on horizontal continuous casting of tube billet started lately. Many key techniques are not perfect and many questions need be resolved.Consequently, copper tube billet horizontal continuous casting process is investigated in this paper. A computer software package of horizontal continuous casting simulation system is developed by mathematics model and numerical simulation. Using the software, the temperature field and crack-producing trend is analyzed under the influence of process parameters.In this paper, tow mathematical model for solidification process and component distribution prediction in horizontal continuous casting is presented and a horizontal continuous casting numerical simulation system with independent intelligent properties is developed. The temperature field and solidification course is analyzed under the influence of process parameters such as casting temperature and casting speed and the component distribution is predicted. At the same time the influence of process parameters on crack is analyzed with temperature and temperature grads and cooling speed. Synthesizing parameters mentioned above the effective crack criterion is introduced.The simulation results show that casting speed is the most important parameter. The solidification end location is removed backwards remarkably as casting speed increased and the sump length is lengthened accordingly. Casting speed is more rapid and the crack-producing trend is more distinct. The component distribution is more even when drawing extent is smaller and frequency is more rapid at the same casting speed. The component distribution is periodicity. The surface coarseness of graphite sleeve affects badly on the surface quality of billet. Crack will be increased with the abrasion of graphite sleeve. Casting temperature have a little effect on the solidification end location.