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1990年上半年我厂从某铸机厂购进1台台车式抛丸机。经半年多使用,发现许多问题。其中主要是六个托滚在使用中经常卡死,造成设备频繁停机。同时,由于托轮不转,增加了电机及减速机的负荷,半年中烧毁电机1台、磨损报废减速机1台。设备运行2～3天就必须更换2～3个托滚中的全部零件:包括两个防护盖、两个压盖及两个轴承等。这样既影响了正常生产,也增加了维修费用,成为厂里急待解决的问题。
In the first half of 1990, our factory purchased a trolley shot blasting machine from a caster. After more than six months, many problems were found. Among them, six caretakers often stuck in use, resulting in frequent downtime of the equipment. At the same time, as the wheel does not turn, an increase of motor and reducer load, half a year to burn a motor, wear a scrap reducer. Equipment running 2 to 3 days must be replaced 2 to 3 roller care of all parts: including two protective cover, two glands and two bearings. This will not only affect the normal production, but also increase the cost of maintenance has become an urgent problem in the factory.