High frequency, acoustic "DaDa......
Date:2011-08-05 4:25:20
High frequency, acoustic "DaDa......" :
Specific features: voice frequency speed and change with the bearing, parts surface striation is the main reason for the noise cause.
Solution: A, improve the bearing surface processing groove quality, reduce the striation amplitude; B, reduce bruising; C, fixed clearance preloaded force and the coordination, check the freedom of the bearing operation, and improve the precision of the bearing shaft and installation method.
