一台机械双盘天平经过换刀或者大修以后,多数情况下会出现两臂不等的误差。有条件的单位,可用工具显微镜或刀距卡板等进行检查调整,使其两臂相等。调修时,对于误差较大的,应先松开刀盒上两边的对顶螺丝和升降刀螺丝,将边刀盒平移到等距位置上(微量),再将刀盒上的对顶螺丝和升降刀螺丝固紧。这个问题现在只粗略交代一下,详细介绍可见换刀部分。虽然经过刀距卡板等测量合格,但天平仍 A mechanical double-disc balance after tool change or overhaul, in most cases there will be two arms ranging from the error. Conditional units, such as tool microscope or knife can be checked to adjust the card, so that its arms are equal. Adjustment, the error is larger, you should first loosen the top of the box on both sides of the screw and the lifting screw, the edge of the knife box to the equidistant position (trace), and then the top of the box on the screw And lifting knife screw fastening. This problem is only a rough explanation, a detailed description of the visible part of the change. Although after the knife from the pallets and other measurements qualified, but the balance still