E5 12 /5 14联合收割机在装配半链轨作业时 ,常发生边减损坏的故障 ,现就边减损坏原因及半链轨装配方式的改进探讨如下。1　边减损坏的原因1.1　故障现象边减故障早期表现为边减发热、有异响 ,边减进泥 ,严重时有驱动轮旷动、驱动不力、边减壳损坏等情况。经拆卸可发现 ,最终传 E5 12/5 14 Combine Harvester In the assembly of half-rail operation, often occur when the damage reduction side, now on the cause of damage and half-rail installation improvements are discussed below. 1 side to reduce the cause of damage 1.1 Symptoms side to reduce the failure of the early performance of side fever, abnormal sound, while reducing the mud, serious when driving wheel Kuangkuang, poor drive, while the reduction of shell damage and so on. After disassembly can be found, the final pass