To stack mountain hem due-out mannered null rose ones

摘要

PROBLEM TO BE SOLVED: To stabilize an operation and to reduce a load of an operator by automating a stack base discharging work of a stack during interruption of discharging from the starting of landing of a bucket to a completion of discharging.;SOLUTION: When a tip end A of the stack base is defined as an origin, a yard length direction is adopted as an x axis, a yard width direction is adopted as a y axis, a height direction is adopted as a z axis and a coordinate of a foil initial biting point C₁ at the time of starting of discharging is defined as (x₁, y₁, z₁), x₁ is determined by the following formula, a height of the uppermost stage bench at x₁ is determined as z₁, an A side end of the uppermost stage bench is determined as y₁, the wheel is bitten and after the A side is subsequently discharged. The wheel initial biting point of the lower stage bench is made to a point where the wheel is positioned at the A side end of the lower stage bench at the same boom turning angle as when the wheel is positioned at C₁ point. It can be made to a point where the A side end of the lower stage bench is positioned at the same x₁ as when the wheel is positioned at C₁ point. x₁=(1+k₁)a+k₂ (k₁ and k₂: constants determined by a width and a structure of the wheel).;COPYRIGHT: (C)2003,JPO