Particle board production technology is a complex process including a number of important operations, and the quality indicators of the finished product largely depend on it. One of such operations is cooling of hot plates after pressing. Increasingly, low-toxic resins are used in particle board production. However, the modes of post-press exposure of particle board on resins with low formaldehyde content should differ from the well-known ones. Therefore, the purpose of this work was to develop a mathematical model (a system of equations), that will theoretically calculate the duration of plate cooling, as well as display the temperature on its surface and over the cross section for any time interval. As a result of the work carried out, a mathematical model has been proposed that enables theoretical calculation of cooling duration of particle board produced on low-toxic resins and to display the temperature on its surface and over the cross section at any time interval.

The main parameter for determination of quality of MDF boardprocessing after milling is roughness of the surface. The well-known models of wood cutting are unsuitable for the assessment of this parameter, since they make it possible to draw only qualitative conclusions about the roughness, they do not allow calculating the numerical value. To calculate the roughness value, the model must take into account the structure of the material and the main parameters affecting the roughness. The purpose of this work is to substantiate the development of a computer model of the MDF structure and the process of its milling using the finite element method. The implementation of this approach will allow, according to the specified parameters of the cutter and modes of its operation, to determine the quality and energy indicators of the milling process from a theoretical point of view. As a result of the work carried out, a detailed theoretical justification for the development of a computer model of MDF structure and the process of its milling was given. Its implementation makes it possible to determine the quality and energy parameters of the milling process according to the specified parameters of the cutter and its operating modes.