1. The collet shall be renewed when it is gravely oxidated. 如果夹头有严重氧化时应换新的。
2. NOTE: Never tighten the collet without first installing a router bit in it. Tightening an empty collet, even by hand, can damage the collet. 说明：决不可无刀头状态拧紧夹头。无刀头时，即便用手拧紧夹头，也可能导致其损坏。
3. Workpiece clamping is are adopted with ed with spring collet, it can also be equipped with hydraulic chuck, four-spindle oil cylinder, pneumatic, hydraulic tail stock. 工件装夹方式选用弹簧夹头，也可按用户要求配置手动卡盘、液压卡盘，气压、液压尾座。
英英解释
n.
1. a metal cap or band placed on a wooden pole to prevent splitting
2. a cone-shaped chuck used for holding cylindrical pieces in a lathe
3. a band or collar that holds an individual stone in a jewellery setting
