WNT (UK) says shorter insert lengths mean higher feedrates
1 min read
By creating a smaller, 7 mm edge length insert for its 2011 range of milling cutters, WNT (UK) has been able to greatly increase the number of inserts in a typical milling cutter body, with consequent benefits of higher feedrates, greater depths of cut and lower torque capability.
For example, a 32mm diameter cutter will have eight inserts in it, compared to five when using the 11mm edge length inserts. This increase in number of inserts equates to a feedrate improvement of around 40 per cent, depending on the application.
Furthermore, the design of the insert, with its geometry and 'notch', that provide performance and stability, especially when plunge milling; combined with the cutter body design that allows excellent swarf evacuation, enables metal removal at depths of cut up to 6 mm to be tackled with confidence.
The smooth/soft cutting action that is generated by the insert design and the availability of cutters as small as 10 mm diameter lends itself to use on high speed spindles with low torque.
For the same reasons, the range is also ideal for use on lathes with driven tooling. And, with the diameter range starting at 10 mm, there is also an opportunity to replace solid carbide milling cutters with lower cost indexable insert tools. At the same time avoiding the requirement for stocks of cutters while regrinds are taking place.
Available with threaded, plain, weldon and shell mill shanks and connections, the range of 2011 cutters with 7mm inserts is capable of performing a wide range of milling strategies, including shoulder milling, corner milling, angled ramping, helical and axial plunging, trochoidal milling, slot milling and face milling.
Five carbide grades available for: steel machining with high cutting speed (CWX26); steel in general (HCN1235); stainless steel (HCN2235); Cr/Ni alloys (HCN5235); and titanium alloys (HCF5240).
