1. 磨损：长期使用导致丝杠、螺母以及滚珠的磨损，影响传动精度和效率。2. 卡死：可能由于杂质进入、润滑不好的等原因造成滚珠或丝杠卡住不动。3.?回程误差变大：即反向运动时出现较大偏差，通常也是磨损等因素导致。4. 噪声异常：如出现异常的响声，可能是部件损坏或配合不好的等引起。5. 丝杠弯曲变形：过度负载或受到冲击等可能导致丝杠变形，影响正常运行。6. 密封失效：使灰尘、杂物等容易进入丝杠内部，引发一系列问题。7. 润滑系统故障：如供油不足、油路堵塞等，导致润滑不好。

　　1. Wear and tear: Long term use causes wear and tear on the screw, nut, and ball, affecting transmission accuracy and efficiency. 2. Stuck: The ball or screw may be stuck due to impurities entering or poor lubrication. 3. Increased return error: refers to the occurrence of significant deviation during reverse motion, which is usually caused by factors such as wear and tear. 4. Abnormal noise: If there is an abnormal sound, it may be caused by component damage or poor fit. 5. Bending and deformation of the lead screw: Excessive load or impact may cause deformation of the lead screw, affecting normal operation. 6. Sealing failure: making it easy for dust, debris, etc. to enter the interior of the screw, causing a series of problems. 7. Lubrication system malfunction: such as insufficient oil supply, blocked oil circuit, etc., resulting in poor lubrication.

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