Каталог Iscar сверла ружейные и для глубокого сверления 2022 - страница 112

GUNDRILLS USER GUIDE Concentricity and Straightness Circularity mm 1.6 mm 0.05 0.04 1.0 0.03 0.02 0.6 0.01 400 800 mm 250 500 750 mm Drilling Depth Drilling Depth Stationary workpiece – rotating tool Rotating workpiece – stationary tool Chip Box L Adjustment Driver Adapter Drill Sealed Sealing Support Bushing Housing Disk Bushing L = 20xD 1- The support bushing should be according to tube diameter (D3) (see below) Bushing Support Bushing Based on modified DIN 179 specify the “d” diameter of the D3 indicate the tube diameter drill head. Carbide bushing is delivered only on request. D3 D1 d L1 L d = Drill diameter +0.02 D Guide Bushing Support Bushing A guide bushing is an essential component for a D3 Ext. Ø “D” Ext. Ø“D1”Length “L” Length“L1” proper gundrill operation. The function of the guidebushing is to direct the SUMOGUN into the material9.6 - 16,39920 26 20 12 during penetration. The diameter of the guide 9.6 - 25,999 30 38 26 16 bushing should be within 20 microns larger than the 9.6 - 25,999 45 50 26 16 diameter of the drill. Dedicated gundrill machines are equipped with a guide bushing system. Sealing Disk Indicate the dimensions needed for your requirements D D3 B Sealing Disk D3 Ext. Ø “D” Thick. “ B” 9.6 to 15,559 32 4 15,6 to 25,999 40 4 296 ISCAR