Fabrication chuck

The utility model discloses a fabrication chuck, include: the base that links to each other with the lathe to and the base of setting on the base, the up end of base is offered the product that is used for placing the product and is placed the chamber, still seted up horizontal groove along the up end of base, and horizontal groove passes the product and places the chamber, the vertical grooves ofmutual disposition is seted up along the lateral wall of base, horizontal groove and vertical grooves link to each other and separate the base for first base and second base, still be provided with the locking means that can drive first base and second base -separation or contact on the base. When add man -hour to the product, at first fix fabrication chuck's base on the lathe, then place the product and place the intracavity at the product, suitably drive locking means for the first base of locking means drive is with the contact of second base or separate, not only can carry out better regulation to the area that t