Zobrazeno 1 - 5
of 5
pro vyhledávání: '"M. V. Chepurin"'
Publikováno v:
Steel in Translation. 49:194-197
In billet piercing on two-roller screw mills, the influence of the shape and position of the liner (guide piece) on the ratio of the transverse and longitudinal deformation is analyzed. The quality of the sleeve obtained from the continuous-cast bill
Publikováno v:
Steel in Translation. 44:452-455
Piercing mandrels for the skew rolling mill at OAO Severskii Trubnyi Zavod are compared. The influence of the shape and length of the mandrel’s working section and its position in the deformation zone on the piercing of the blank is investigated in
Autor:
M. V. Chepurin, D. V. Merkulov, A. I. Stepanov, V. S. Tolmachev, V. A. Toporov, S. E. Medvedeva
Publikováno v:
Metallurgist. 56:760-765
Results are presented from studies directed at reducing the damage done to hot-rolled tubes by internal scabs in the tube-rolling shop at the Seversky Pipe Plant. It is shown that it would be expedient to reduce the diameter of the continuous-cast se
Autor:
M. V. Chepurin, V. K. Dragunov
Publikováno v:
Welding International. 16:466-474
Publikováno v:
Steel in Translation. 41:243-245
Helical broaching mills used in the production of large-diameter pipe with variable dimensions of the blank (sleeve) are considered. The influence of the type of mill on the cyclic shape change is discussed, taking account of the supply angle. Recomm