一、使用情况 WK—10A型挖掘机正式投入生产是1988年元月,到1990年底,总作业时间6782h,采掘总量2786278t,平均作业效率是4m~3挖掘机的2.35倍,成本消耗也比较低,除了斗齿和钢丝绳等消耗件以外,其它备件很少损坏。经统计,从1988年元月～1990年12月,备件总消耗为38424.19元,材料总消耗为149457.12元。3年 First, the use of WK-10A excavator officially put into production in January 1988, the end of 1990, the total operating time of 6782h, total mining 2786278t, the average operating efficiency is 2.35 times 4m ~ 3 excavators, the cost of consumption is also relatively Low, with the exception of teeth and wire rope and other consumables, spare parts rarely damaged. According to statistics, from January 1988 to December 1990, the total spare parts consumption was 38,424.19 yuan and the total material consumption was 149,457.12 yuan. 3 years