| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: proposed head comprises casing and several blade holders arranged in seats. Note here that each blade holder is arranged to be axially wedge-driven and locked in the head with the help of retaining element. Each blade holder seats in bore made in aforesaid casing with said retaining element located at the casing center. ^ EFFECT: higher quality of machining. ^ 8 cl, 8 dwg |
