Patent ID: 8292695

Claim:
A machine for producing a non-cylindrical bore surface, the machine comprising: a machine spindle that is reciprocatingly movable and driven in rotation; a tool receiving unit disposed on said machine spindle; a tool unit that is exchangeably connected to said tool receiving unit; at least one machining tool received in said tool unit; feed means transmitting a first feed movement onto said at least one machining tool; deflecting means that deflect said first feed movement such that said first feed movement feeds said at least one machining tool radially against a bore surface to be machined; a means for fine feed arranged in said tool receiving unit, wherein said first feed movement of said feed means is superposed by a second feed movement of said means for fine feed; said means for fine feed comprises a first linear drive that acts axis-parallel, wherein said first linear drive comprises an actuator that actuates a feed rod, wherein said feed rod is arranged together with said at least one machining tool and said deflecting means in said tool unit.