New toolholder variants are available for the S100 system from Horn Cutting Tools to enable parting off by feeding along the Y-axis on turning centres that have the extra degree of freedom on the tool carrier. The method enables effective parting and grooving using high cutting parameters, resulting in short machining times. Furthermore, due to the extra stability of the system, there is the option to part off large diameters with a compact toolholder and to use narrow groove widths.
High moments of force occur when parting off workpieces of larger diameter, but the space available in a machine often does not allow tools of large cross section to be used. With the new design of toolholder, the cutting forces are diverted to the main cross section of the insert. It results in increased rigidity of the system as a whole for any given toolholder, enabling higher feed rates to be used.
Horn offers two holder variants for the parting off process. For the 842 and 845 modular grooving system, there is a cartridge with cutting widths of 3 mm and 4 mm. There is also a reinforced grooving blade in identical widths. Both variants are equipped with an internal coolant supply via the clamp and through the support. Maximum groove depth is 60 mm. In addition, the S100 system provides an option for direct cooling through the cutting insert.
