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Vibration Control End Mills for Machining Difficult-to-Cut Materials

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Revolutionary performance for difficult-to-cut materials.

SMART MIRACLE® Coating

Smart Miracle end mills have been treated with a newly developed (Al,Cr)N group coating which delivers substantially better wear resistance. The surface of the coating has been given a smoothening treatment resulting in better machined surfaces, reduced cutting resistance and improved chip discharge. This is the next generation of coated end mills that delivers long tool life when machining stainless steels and other difficult-to-cut materials.

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ZERO-μ Surface

With the unique ZERO-μ Surface, the cutting edge retains its sharpness. While previous technologies often resulted in diminished sharpness, the ZERO-μ Surface achieves both smoothness and sharpness, as well as longer tool life.

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Features

Compared to conventional end mills, irregular helix flutes help prevent vibration.
Superior vibration resistance on difficult-to-cut materials and long overhang applications.
Newly developed coating gives long tool life and high efficiency machining.

Vibration control technology

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End mill, 3 flute for plunging and slotting

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Unique geometry - 3 flute end mill with irregular helix flutes suppresses chatter for increased machining stability.
Optimized tool geometry and Miracle coating give excellent chip evacuation for higher efficiency.
The performance of VQ-MHZV-OH when plunging is significantly improved on difficult-to-cut materials because of the through coolant holes.

Improved chip evacuation

In addition to employing a conventional two-stage gash, the bottom of the gash has been rounded to avoid the concentration of stresses, thereby improving fracture resistance. Additionally, an optimised pocket size helps improve chip discharge performance.

Effect of new gash geometry

Vertical feed performance has been greatly improved by the effect of the new geometry and smart Miracle coating. Due to the stable chip evacuation, vertical feed rates can be doubled compared to conventional product.

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Roughing end mill, 4 flute, Irregular helix flutes

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Provides a long tool life without vibration, even in the situation to generate easily, because of the efficiency of irregular helix asymmetrical nick geometry.

Feature of asymmetrical nick

Improve the efficiency of fracture resistance dispersing a load on the top of nick by adopting the asymmetrical nick.

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Cutting Performance

VQSVR’s asymmetrical geometry gives longer tool life than a symmetrical type.

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End mill, 4 flute, Irregular helix flutes

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Optimized irregular helix angle improves cutting performance.
The combination of an excellent carbide substrate and Smart Miracle coating allows a wide range of machining applications.

Cutting Performance

Efficiency comparison in SUS304
Compared to competitor’s machining time can be shortened by using high efficiency machining methods.

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MIRACLE SIGMA
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