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在综合治疗机维修中，发现手机的损坏占较大的比例。手机出现的故障，大致有微型轴承损坏、风轮损坏和手机头外壳变形等。分析损坏原因，主要是使用保养不当。手机上的微型轴承在工作过程中常常处于高速运转状态，其旋转速度高达每分钟3O万转。在这样的工作状态下，如果供油不
In the maintenance of comprehensive treatment machines, it was found that the damage of mobile phones accounted for a large proportion. The failures of mobile phones are generally caused by damage to miniature bearings, damaged wind wheels, and deformation of the mobile phone’s head casing. Analysis of the cause of damage is mainly due to improper use of the product. Miniature bearings on mobile phones are often in high-speed operation during operation, and their rotation speed is as high as 30 thousand revolutions per minute. In this working condition, if the oil supply is not