Circle-Segment End Mills Offer More Material Removal with Fewer Passes

Originally titled 'End Mills Offer More Material Removal with Fewer Passes'

These tools, which are especially for machining turbine blades, impellers, blisks and in moldmaking applications, feature forms with large radii in the cutting area of the mills, allowing a large axial depth of cut during pre-finishing and finishing operations.

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Emuge Corp.’s circle-segment cutters are end mills designed to enable more material removal with fewer passes in five-axis machining, more than 80 percent cycle time reduction and up to 50 percent smoother surface finishes.

These tools, which are especially for machining turbine blades, impellers, blisks and in moldmaking applications, feature forms with large radii in the cutting area of the mills, allowing a large axial depth of cut during pre-finishing and finishing operations.

The solid carbide end mills are offered in four geometries: barrel-shaped, oval form, taper form and lens shape. Oval and taper form mills are especially useful for curved shapes such as blades or straight-walled pockets, freely engaging more of the cutting edge. Barrel design mills provide flank milling to the sides of spiral grooves and similar applications, while lens shape mills excel in narrow channels.

Specific CAM system software is required to support and compute the geometries of Emuge circle-segment end mills to achieve the performance levels the tools were designed for, the company says.

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