Walter’s Xtra.tec F4049 inserts generate cast iron savings

The Xtra·tec F4049 close-pitch finishing face- and shoulder-mill for precise 90° shoulders from Walter GB is aimed at cast iron machining applications: once set, roughing and finishing operations can be performed with the same tool.

Available in diameters from 50 to 160 mm, and for cutting depths up to 6.5 mm, the F4049 accommodates a choice of two roughing and two finishing geometries featuring a negative basic shape.

The specially-developed square indexable inserts each have eight cutting edges that use Walter’s Tiger.tec or Tiger.tec Silver materials. Furthermore, insert retention by special clamping wedge provides reliable stability, while the precise position of the finishing insert(s) can be set using a countersunk screw and expansion wedge.

The adjustment mechanism is said to be precise and creates a stable insert seat, thanks to form-lock fixing, which leads to high workpiece surface quality during the finishing process.