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一、玉米收获机质量问题案1.案情介绍北票市上园镇2户农民向辽宁省农机质量监督管理站投诉,称他们购买河北某农机公司生产的自走式玉米收获机在秋季作业过程中,发现作业效率低,说明书明确标注该机工作效率为3～5亩/小时,但实际每天只能作业5亩左右,实际工作效率与说明书相差太大,而且机械故障频繁发生。主要问题是:前割台部分堵塞,割台
I. Quality problems of corn harvesters 1. Case introduction Two farmers in Shangyuan Town, Beipiao City complained to Liaoning Provincial Farm Machinery Quality Supervision and Management Station that they purchased the self-propelled corn harvester produced by an agricultural machinery company in Hebei Province in the course of autumn work , Found that job efficiency is low, the manual clearly marked the machine efficiency of 3 ~ 5 acres / hour, but the actual daily operation of only about 5 acres, the actual work efficiency and manual difference is too large, and mechanical failures occur frequently. The main problem is: the front header partially blocked, header