The X5070, available from Cutwel, is a range of nano-grain-size upgraded premium carbide endmills specifically designed for machining hardened materials in a range of 50-70HRc.
The X5070 endmills were produced in order to fill the large gap between the 'normal' carbide and the premium, specifically for increasing tool life when machining the upper range of hardened materials.
They can also be used to substitute for many grinding operations.
The X5070 range is used in high-speed cutting (HSC), dry cutting, machining die and mould and tool steels.
The premium carbide endmills are harder than conventional carbide but have almost the same toughness.
They have a very fine nano-grain size and uniform carbide particles, providing better wear resistance, which prolongs tool life.
In addition, they have a superior hot hardness material heat barrier, which permits a higher cutting temperature and provides greater hot hardness at the tool/chip interface (most of the heat is carried away with the chips).
The X5070 range of endmills has optimum geometry and is designed with higher corner edge strength by a process that improves cutting corner smoothness.
As a result, there is improvement in workpiece surface roughness, straightness, perpendicularity and repeatability in performance.
The X5070 is covered with the company's specially developed coating for the upper range of hardened material, which combines high hardness (more than 3,600HV), high thermal stability against oxidation (900C) and low coefficient of friction against steel.
As a result, wear resistance is improved, prolonging tool life, with higher cutting speeds and feeds.
The X5070 is suitable for dry-cutting and clean-machining processes, reducing coolant costs.
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