JZ350型双锥混凝土搅拌机,自80年代初开始替代鼓简搅拌机推广使用以来,在大修理中,发现减速箱有形磨损严重,给修理增加了难度。为了减少维修费用,不采取总成互换,而采取了“轴承外圈镀铬”的补救方法解决。现将减速箱磨损加速成因与维修方法介绍如下: 通过解体检查发现,加速磨损的主要原因是制造过程中没有严把检测关,将不合格零部件装机出厂。其次,在使用过程中也没有实行“定期检查,定期修理”的维修制度,还沿用坏了 The JZ350 double-cone concrete mixer has been used since the early 1980s to promote the use of drum mixers. During major repairs, it has been found that the gearboxes are seriously worn out, making repairs more difficult. In order to reduce maintenance costs, instead of adopting assembly interchange, a remedial solution of “chromium bearing outer ring” was adopted. The causes and maintenance methods of the gearbox wear acceleration are described as follows: Through disassembly inspection, it was found that the main reason for accelerated wear is that there is no strict inspection and clearance during the manufacturing process, and substandard components are installed at the factory. Secondly, the maintenance system of “regular inspections and regular repairs” has not been implemented in the course of its use.