PK36B、C系列数控回转尾座是数控回转工作台配套附件。工作时，利用主机的控制系统或专门的控制系统控制转台，既可实现普通尾座的功能，又能够实现与工作台的同步回转、同步刹紧。利用主轴内大口径通孔，安装气(液)动弹簧夹头、动力卡盘或，对转台装夹的工作进行辅助夹紧，实现等分的、不等分的连续的孔槽、曲面的加工，且达到较高的精度。
Model PK36B、C senes NC rotary tiltock is one of the accessories for the NC rotary table.t has function of the common tllstock,ａnd that can rotate and clamp synchronization with the table.It aplies the air pressure(or hydrauliclcollets,chuck or centre to dlamp the work piece with table,ａnd caries out the perfomance:direct and indirect dividing,plate- sotting and various cam- curving
