MATHEMATICAL MODELING OF THE COMBINED PROCESS OF CASTING AND LATERAL PRESSING
The article presents and justifies the purpose of mathematical modeling of the combined process of casting and lateral compression using a new device for the implementation of the vertical press equipment providing lengthy hollow profiles. Basic process parameters that determine the structure of the modeled system, its element properties and causal relationships inherent in the system and essential for achieving the modeling goal are shown. To simplify the description, the process is divided into two dependent stages determined by the metal volume in the container. An account of characteristic zones influencing conditions and results of compression is made, in which the metal does not take part on the given stage and forms volumes of the metal which is not deformed plastically and is presented in the elastic state. A mathematical model for the determination of the power parameters of the process on account of the impact of the storage device was developed that enables to determine values of the required effort to drive out the discard. The obvious advantage of the mathematical model of determining the effort in producing pipes by the method of combining the casting process and the lateral compression is the possibility of a relatively quick comparison of the results at different process conditions. A numerical study of the combined process of casting and lateral compression for different steel types was made. A comparison of the computer research process using the mathematical model and the results obtained with the use of software for the simulation and optimization of metal forming processes QForm 2D/3D was performed. The necessity of conducting further research of the process using the physical model is substantiated.