Zobrazeno 1 - 2
of 2
pro vyhledávání: '"P. V. Drozhzha"'
Publikováno v:
Журнал інженерних наук, Vol 5, Iss 1, Pp A8-A11 (2018)
The high requirements as to accuracy of the wall thickness are due not only to necessity of assuring the reliability and serviceability of equipment, but also to the trend towards the continuous decrease of metal capacity. In this situation assuring
Publikováno v:
Metalurgija
Volume 41
Issue 2
Volume 41
Issue 2
The mechnism of the salt phosphate lubricant ingress in zone of the tube deformation on a long cylindric mandrel was considered. Suggested mathematical model is based on the points of the hydrodynamic theory of lubrication. Data presented are concern