To offer its customers a faster alternative when drilling 180 degree hole bases, Gühring KG has launched its three-fluted tool, FB 200 U, which the organisation says can offer up to 50% higher cutting values than its two cutting edge competitors, meaning reduced machining time, higher process reliability and better hole quality.
The soon to be patented three-fluted design outperforms the conventional two-flute drills, with the FB 200 U removing the need for entire machining steps or tools that previous would have been vital. The three cutting edges, equipped with an 180 degree point angle, ensure a more even distribution of cutting forces and, in combination with the reinforced shank transition, ensure high stability during drilling. This enables users to produce rounder holes with greater dimensional accuracy.
Another advantage of the FB 200 U is the improved chip removal, which means that users do not have to worry about chip jams or process reliability. The three-fluted design creates short chips that are removed reliably in three directions – an advantage that is particularly noticeable in longer chipping materials, where difficulties in chip removal are common.
FB 200 U is available in a diameter range 4mm to 20mm and in 3 x D as well as 5 x D. Gühring’s new innovation can be used to drill on flat surfaces without pre-drilling or reducing the cutting values. The flat drill also eliminates the need to face with a milling cutter before piloting on inclined surfaces. Additionally, the 3 x D version allows for spot drilling on inclined and curved surfaces up to 45 degrees without the tool being pushed away.
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