| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to metal processing and can be used for processing of holes by axial tools with head and tail parts. This tool comprises body, replaceable polyhedral inserts and clamp. It is furnished with fastening bush with inner conical and threaded sections and replaceable resilient element. Front part of the latter has cut-out with ledges that make with the body locating diameter the seat grooves. Said grooves are shaped to match said replaceable polyhedral insert.EFFECT: enhanced performances, decreased range of drilling tools.3 dwg |
