TY JOUR TI Optimization of a mode of movement of the clamshell mechanism by a direct variation method KW clamshell KW optimization KW jaw KW motion mode KW dynamic loads JO Actual directions of scientific researches of the XXI century: theory and practice AU Loveykin, V.. AU Lymar, P.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov