PORTAL TYPE MACHINE TOOL Russian patent published in 1999 - IPC

FIELD: machine tool manufacture, namely multispindle portal type machine tools for making deep holes in tube walls or in identical parts used in power machine engineering. SUBSTANCE: at least one spindle assembly of multispindle unit of portal type machine tool is milling and boring one. Device 11 for supplying cutting fluid is mounted in milling and boring spindle assembly 10 and it is in the form of body 15 with cavity 21. On mutually opposite walls of cavity 21 jig sleeve 22 and stay sleeve 20 are mounted coaxially with possibility of arranging depth drill 13 of drilling spindle assembly in them. Mechanism 14 for collecting waste cutting fluid with chip is arranged under spindle of drilling spindle assembly 8; its inlet is joined by means of duct 23 of depth drill with cutting zone 24 and its outlet is joined with member 30 for discharging cutting fluid with chip. EFFECT: improved design. 6 cl, 3 dwg