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Walter extends popular DC170 solid carbide drill with two new sizes

DMG MORI
Walter extends popular DC170 solid carbide drill with two new sizes

Walter USA

Milling Titanium Ti6Al-4V with 8 cutting edges per insert!

Up to 8 cutting edges per insert. That’s helical milling at the lowest possible cost-per-edge. HARVI Ultra 8X helical milling cutters are designed to deliver the highest metal removal rates (MRR), especially in high-temperature alloys (Titanium).

Walter extends popular DC170 solid carbide drill with two new sizes

Walter has expanded its highly successful DC170 Supreme internally-cooled, solid carbide drill with the introduction of two new sizes, the 25xDc and 30xDc. These sizes extend the innovative drill line, aimed at ISO material groups P, K, and H, to new depths, while keeping the performance enhancing benefits of the DC170 line. These include increased productivity thanks to 50% longer tool life with 35% higher machining parameters in comparison to conventional solid carbide drills.

The design of the lands is a key factor in this performance, thanks to their shallow cooling grooves at the drill end. The coolant flow encompasses the entire drill point, producing optimal cooling of both the drill and the workpiece interface, and inhibits chip packing. This is particularly important given the high temperatures generated during drilling. The drill’s design features more material behind the cutting edge which makes the drill sturdier than conventional designs, thus boosting tool life, stability and process reliability.   

Additionally, this superior ability to control the coolant flow contributes to an excellent surface finish that helps users avoid reworking holes after drilling. The innovative alignment of the new lands-design results in significantly smoother drill operation, reducing vibration to a minimum, which also enhances hole quality.

DC170 drills feature eight visible cooling grooves, and these can be used as a scale for regrinding. The drills can be reconditioned up to three times, until only two cooling grooves are left remaining.


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