Solid Carbid Endmills Handle Roughing And Finishing

A solid carbide endmill family of tools, the Finishred, contains a fast metal removal design that makes it possible to machine both roughing and finishing applications in the same process. By combining the roughing process with the finishing process, downtime required for changing tools and setup is eliminated.   The EFSI B44 Finishred endmill features four flutes with a 45-degree helix.

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A solid carbide endmill family of tools, the Finishred, contains a fast metal removal design that makes it possible to machine both roughing and finishing applications in the same process. By combining the roughing process with the finishing process, downtime required for changing tools and setup is eliminated. 

The EFSI B44 Finishred endmill features four flutes with a 45-degree helix. There are two serrated flutes designed for roughing and two continuous flutes designed for finishing.

The endmill’s roughing teeth take 30 percent less power consumption and the finishing teeth take 30 percent more power consumption thus in effect canceling out the power variance and allowing for a balanced cut.

A problematic chip is produced by the roughing tooth, which is scooped up by the helical-shaped chip created by the finishing tooth. This finish chip is rolled up and creates a braid or hook-type condition on both sides of the finish chip. This chip grabs the small roughing chip and helps to eliminate chip clogging problems that are common in tools that have all roughing teeth.  This also helps to reduce vibration and allows for a more efficient cut. As a result, the endmill is designed for slotting and cavity milling applications.

The endmill is suitable for all types of steel in addition to titanium, income and high- temperature alloys.