With a new seven-flute, eccentric relief (ER) design, the newest addition to the Widia VariMill family, the VariMill III ER solid-carbide end mill, is engineered for higher metal removal, longer tool life, and improved surface finishes in demanding workpiece materials such as titaniums and stainless steels.
WidiaVariMill III ER is a true finishing endmill for higher metal removal rates, longer tool life, and improved surface finishes in demanding workpiece materials such as titaniums and stainless steels.
A newly developed coating and proprietary pre- and post-coat treatment significantly improves cutting edge consistency. Consistent cutting edges mean higher metal-removal rates, longer tool life, and improved workpiece surface finishes in expensive demanding materials. The tool is designed to be a true finishing endmill with the ability to take up to 30% radial engagement.
This also means VariMill III ER customers can use high-speed machining techniques such as peel milling or trochoidal machining in high-strength alloys.
Widia is offering the VariMill III ER in a full line of options, including two, three, and five times diameter length-of-cut and all common aerospace radii and chamfered corners, metric and inch. With more and more additive layer manufacturing in the aerospace field, the trend going forward will be from roughing to semi-finishing and finishing operations, perfect for the increased efficiencies VariMill III ER provides. VariMill III ER end mills also come standard with the Safe-Lock option by Haimer, eliminating pull-out risk, and making the tool assembly more stable and concentric, which in turn increases surface finish and tool life.