Why should ball screw be preloaded? What are the advantages and disadvantages?
A. When the machine requires high accuracy and the upper limit of the machine's back clearance is small (for example, the back clearance of the machine in reverse motion can be close to zero when used with the linear guide rail). B. Advantages: eliminate back clearance; Eliminating backlash can make the accuracy of mec……
2022-06-09 901