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本卡盘具有四个特点:坯料⑤与卡盘的夹紧面之间全面接触;防止铁屑粉末和切削油等脏物进入卡盘内;用机械手自动上料;连续加工时的精度稳定。它的工作原理如下: 开始卡爪③是处于离开卡盘中心的位置。顶销④在弹簧力的作用下,从卡盘中伸出与坯料接触(见图)。接着,主轴①上的圆盘②(盘的端面有螺纹槽)回转,驱动卡爪向卡盘中心移动,顶销就把坯料夹住。
The chuck has four features: full contact between the blank ⑤ and the clamping surface of the chuck; prevent dust and cutting oil and other dirt from entering the chuck; automatic feeding with a manipulator; the accuracy of continuous processing stable. It works as follows: Start claw ③ is away from the center of the chuck. Top pin ④ Under spring force, it projects from the chuck into contact with the blank (see picture). Next, the disk ② on the spindle ① (the screw groove on the end face of the disk) is rotated to move the chuck claw to the center of the chuck, and the pin pinches the blank.