Abstract: “Present article, entitled with the following main subject – “System for automation of the engineers work "Protech”. In this presentation the most important and major subject is – development of an integrated system for automation of the engineers work in technological preparation of production and its application in practice. Described are its main modules programming, planning and prototyping of production, structure and algorithm, methodology of work, interface and software. In this sense the system “Protech” falls in the focus of attention from work UACEE.”

Keywords: technological preparation and planning of production, CNC machines, automation of engineers’ work, PLMprogramming.