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Home / Maximum 3D Milling Metal Removal

Maximum 3D Milling Metal Removal

Designed for high productivity and tool life, Kennametal’s versatile HARVI I TE ball nose end mill features a proprietary, rippled relief on the ball nose section that enables high feeds and speed. It also provides exceptional edge strength, geometric accuracy, and lower cutting forces.

Posted: March 30, 2021

On the outer diameter, the relief changes its shape, and turns into the eccentric faceted relief, which provides exceptional edge strength, geometric accuracy, and lower cutting forces.
The regular length is the first choice for 3D copy milling operations, while the long version offers sufficient length-of-cut (up to 4sD) for many applications, including shoulder milling when wall and floor finishing is required.
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Expanding the HARVI I TE series, Kennametal (Pittsburgh, PA) designed the HARVI I TE four-flute ball nose end mill for highly productive 3D roughing and finishing operations. It delivers lower machining cost through maximum metal removal in a broad range of materials.

The HARVI I TE ball nose end mill features an innovative proprietary relief: In the most critical area – the ball nose section – a wavy contour shapes the rippled relief which provides improved coolant flow into the cutting zone. The rippled relief enables higher feeds and speeds as well as increased depth of cuts by advanced vibration damping and lower cutting forces. On the outer diameter, the relief changes its shape, and turns into the eccentric faceted relief. The eccentric faceted relief provides exceptional edge strength, geometric accuracy, lower cutting forces and makes this end mill series very versatile.

Other geometry advancements of the square end styles — including a twisted end face, chip gashing, and a variable helix angle—have also been engineered into this new solid carbide end mill.

The HARVI I TE ball nose end mill is available in two lengths – regular (inch non-necked, metric with neck) and long – both with a diameter range from 2 to 20 mm (1/16″ to 1″). The regular length is the first choice for 3D copy milling operations, while the long version offers sufficient length-of-cut (up to 4sD) for many applications, including shoulder milling when wall and floor finishing is required.

www.kennametal.com

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