ESC-1590 excavator drive: In order to obtain the required maneuverability of the excavator mechanisms, it is necessary to have a very definite duration of transition processes of each drive. So, for example, for the ASh-1590 excavator mentioned above, the time for lifting and traction drives should be tj, = 3.0-3.5 seconds, and for an electric drive in accordance with the permissible acceleration-TA 2-12-14 seconds.
