In order to maintain good accuracy of the lathe chuck after regular use, lubrication is important. Incorrect or inappropriate lubrication can lead to some problems, such as abnormal function at low pressure, weakened clamping force, poor clamping accuracy, abnormal wear, and seizure. Therefore, it is necessary to properly lubricate the chuck.

According to the number of chucks, it can be divided into two jaw chucks, three jaw chucks, four jaw chucks, six jaw chucks, and special chucks. From the use of power can be divided into: manual chuck, pneumatic chuck, hydraulic chuck, electric chuck, and mechanical chuck. Structurally, it can be divided into hollow chucks and medium solid chucks.