The design of manufacturing flows is directly related to the design of the products, their construction and technological peculiarities and the size of their production series. The design of manufacturing flows is made for enterprises or production units along with the design of the enterprise and, for existing enterprises, on the occasion of the study of modernization or development of different production units. The optimum design of manufacturing flows requires the creation of appropriate conditions for the constructive and technological realization of the products. Thus, in the design of the various products, the manufacturing flow must be designed so that they can be processed in the superior conditions by using the type constructions for different parts or semi-products, unifying and typing the parts. On the basis of these conditions, the technological design of the manufacturing process is carried out, providing for the concrete forms of the technological process under the conditions of the organization of the manufacturing flow.