Groove machining lathe equipped with tools.

摘要

The rotary broaching machines used recently to an increasing extent for producing crankshafts and similar components are used either as so-called gang machines in which several rotary broaching tools are firmly connected to one another in series in order to finish-machine all identical bearing points of a workpiece in a single operation or as a machine with a single rotary broaching tool, these bearing points of a workpiece being machined in succession with the same tool. The present invention shows a means of designing such a rotary broaching machine in such a way that, with the minimum amount of conversion, it can be used as both a single rotary broaching machine and a gang rotary broaching machine by the machine according to the invention having two toolheads traversable independently of one another. Either an individual rotary broaching tool or a rotary broaching tool set whose ends are designed in such a way that they are suitable for holding in the chucks of the two toolheads can be inserted into the latter.