Introduction: The three-jaw chuck is composed of a chuck body, an active jaw and a jaw drive mechanism. The movement of the three movable jaws on the chuck serves to clamp and position the workpiece. The three-jaw chuck is one of the commonly used hydraulic accessories for lathes, but it often occurs after a period of use that the workpiece is not easily mounted. On the one hand, the jaws of the three-jaw chuck are unevenly worn in front of one another, and on the other hand, Due to improper use of the lathe, the jaws of the three-jaw chuck were partially damaged. With the wear of the chuck, the three claws will appear bell-shaped, and the three claws will slowly deviate from the center of the lathe spindle, which will increase the tolerance of the machined parts.
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One of the easiest and most effective ways to solve the problem of three-jaw chuck wear is to process the outer diameter of the chuck dial with a matching outer circle, then use the sleeve to clamp the outside of the jaws, and then pull the jaws outwards to tension. Then use a file to correct the jaw's working surface.
Reducing the wear and tear on the three-jaw chuck not only effectively protects production safety, but also increases production efficiency, resulting in more economic benefits.