Cylindrical and tapered surfaces can be joined by means of interference fit. This type of mating of parts is called a guaranteed interference fit. It is characterized by simplicity and manufacturability, possibility of application in mass production, good mutual centering of parts and load distribution over the entire seating surface.

The characteristic of serviceability of machine elements should take into account the serviceability resource under different modes of operation of a part, material, device or connection. As a single characteristic of serviceability it is advisable to take the curve of resource development at different modes of operation.

The vast majority of machine parts and transportation devices are subjected to variable loads, obeying general statistical laws ...

By research of the VNIIGalurgy Institute, promising complexes for the chamber mining system have been determined, consisting of combines for ore breaking, self-propelled loading and transport machines for loading and delivering ore along the chamber, and scraper and belt conveyors for transporting ore to the shaft. ...