TY JOUR TI Power analysis of operation of hinges of manipulators KW timber industry KW joint join KW manipulator KW wear capability KW load KW specific pressure JO Actual directions of scientific researches of the XXI century: theory and practice AU Serebryanskiy, A.I. AU Mizhevich, M.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov