| 摘要 |
A smoothing head comprises a body with grooves on the outer surface, in which bases are installed, which include deforming elements. The grooves on outer surface of body are made in the form of cylindrical radial holes, which bottoms are connected by through passages with a common passage. The bases are made in the form of cylinders installed with possibility of radial displacement, which lateral surfaces are covered by springs. Besides the deforming elements are made in the form of cylindrical bases of indenters mounted in the blind holes of ends and are located in the central parts of ring-shaped lids. |
