■夹具以内撑方式夹紧工件，以内锥面定心，精度高，内撑力均匀，适用于以内孔和端面定位的薄壁形工件。

■The clampings jamming component , centering by inner taper surface ,high accuracy and equal jamming force suitable for machining thin
workpiece that located by the inner hole and end surface.