Because the ball screw has high transmission efficiency, high transmission accuracy and positioning accuracy, the performance of the ball screw is affected by external factors such as jamming, etc. Once the ball screw is stuck, if adding grease can't solve it, it can only destroy the nut and remove the screw pair, which has always been a difficult problem in the assembly of the ball screw.
Two reasons for ball screw jam
1. Dust enters the nut, causing the ball to jam.
2. In the manufacturing process, the precision of parts is not enough.
When the ball screw is stuck, it is very important to understand and analyze the cause of the jam in time. The following five points are sorted out in view of the situation of the ball screw being stuck:
1. Don't forcibly turn the ball screw at this time, so as not to damage the parts and cause greater losses.
2. Disassemble the bearing fixing screw and see if there is any problem with the bearing that needs to be replaced.
3. Turn the lead screw gently with both hands to see if it is smooth. If it cannot be turned gently, take apart the lead screw.
4. After removing the lead screw, inject kerosene into the oil injection hole several times until the flowing oil becomes clear, and then turn it gently.
5. If the above measures can't turn the ball screw, you can only find professionals to deal with it. This situation is usually that the parts are damaged.
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