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End Mills Versatile End Mill with Edge Radius Cuts Aluminium at Rapid Rates of Removal

Author / Editor: Doug Sellers / Jürgen Schreier

The Uni-Mill end mill series VHM 309 R with edge radius has been designed by Jongen Werkzeugtechnik GmbH & Co. KG for milling aluminium and nonferrous materials. This series represents a range extension of Jongen’s previously launched VHM 209, VHM 229 and VHM 309 end mills. The three-flute VHM 309 R comes in diameters of 0.3 to 4.0 mm. This torus end mill is suitable for preboring, boring, step-milling and full slot milling and for roughing and finishing aluminium and nonferrous metals.

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The universal cutting tool offers optimal cutting characteristics and supports high levels of productivity. Metal-removal rates up to 1,720 cm3/min are made possible by the three-flute design with optimized macrogeometry, and the optimized microgeometry makes sure that the tool has a long operating lifetime. The differential tooth pitch and dynamic spiral angle of the Uni-Mill VHM 309 R ensure smooth running even during full slot milling and at maximum depth of cut. In addition, the end mill features a very stable tool core and a structure that optimizes chip flow.

The tool’s hard-wearing AL05 cutting material is fine-grained hard metal of ISO K05–K10 with a low-friction coating that contributes to both the high chip removal and efficient chip flow and prevents adhesion and material buildup. With a DIN 6535-HA coupling, this end mill can be used in collet-type, hydraulic and shrink-fit chucks.

Jongen Werkzeugtechnik GmbH & Co. KG

Willich, Germany

www.jongen.de

(ID:31933960)