Общий каталог PRECITOOL - страница 510

Type GER / CER / ET QPuriocdkuocvteirnvfioerwmfaotrioenasy ordering Precision collets GER - DIN ISO 15488 (ER / ESX) Quality pays off The FAHRION quality mark for tested quality Made in Germany Serial number = Higher tool life, reduced tooling costs and set-up times = Lower production costs Collet chuck size Better surface finish and tighter Bore diameter manufacturing tolerances = Higher quality Quality Effect of the concentricity error on the Influence of the concentricity error on the tool blade service life of VHM tools Tool lives in % 250 FAHRION GERC-HP/-HPD/-HPDD 200 FAHRION GERC-B/-BD 150 100 Irregular Tool wear becomes Feed hasload on the cuttinggreater,to be reduced50 DIN class 2 (K2) edge surface quality 0 deteriorates 1 μm 3 μm 4 μm 8 μm 9 μm 12 μm 15 μm 18 μm 25 μm Concentricity error Cost example for a solid carbide drill X12 mm with collet DIN ISO 15488 - form B, type 470 E Example 1: System concentricity ≤ 10 μm Example 2: System concentricity ≤ 25 μm Cost for solid carbide drill approx. 105.00 € Cost for solid carbide drill approx. 105.00 € Cost for FAHRION GERC32-B collet Cost for CER32-K2 collet with concentricity 5 μm approx.   20.50 € DIN class 2 with concentricity 20 μm approx.   13.20 € Cost for achieved tool life of approx. 150 % approx. 125.50 € Cost for achieved tool life of approx. 55 % approx. 118.20 € Cost for similar tool life of approx. 150 % approx. 322.00 € More than two solid carbide drills required! Conclusion: Cheap collets almost triple the costs! www.precitool.de 24/505