1046 Каталог KORLOY 2020 Инструмент и оснастка для станков по металлу Стр.G46

Каталог KORLOY 2020 Инструмент для станков по металлу Стр. G46 1046 Lab2u

Technical Information for TPDB-H O Workpiece and recommended cutting conditions Workpiece Grade vc (m/min) Aspect ratio (L/D) = 3D, 4D Feed rate (mm/rev) per drill dia. (mm) ISO Workpiece Worpiece materials 014.0 021.0 022.0 030.0 P H-Beam SS400 SM490 SHN490 PC340Q 65 (60 - 75) 0.22 (0.2 - 0.25) 0.25 (0.2 - 0.3) Angle SS400 SM490 SHN490 PC340Q 65 (60 - 75) 0.22 (0.2 - 0.25) 0.25 (0.2 - 0.3) Plate linn SS400 SM490 SHN490 PC340Q 65 (60 - 75) 0.22 (0.2 - 0.25) 0.25 (0.2 - 0.3) Plate (Stacked) SS400 SM490 SHN490 PC340Q 60 (55 - 65) 0.2 (0.15 - 0.25) 0.2 (0.15 - 0.25) O How to clamp a TPDB-H insert Clamping an insert to a holder Changing the used insert to a new one O Put an insert on the tip seat of the holder As the pic.1 , push the insert to the v-shaped groove of the holder Screw and clamp the insert 1 J air / Pic.2 O Unscrew and separate the used insert from the holder As the Pic.2 , clean the insert seat Put a new insert on the tip seat As the pic.3 , clamp the insert pushing it with a hand not to separate from the holder O Precaution in drilling Drilling of angled entrace Drilling of stacked plates Plunging Boring .1 1. The approach angle between drill and the workpiece at the beginning should be less than 6° 2. Reduce the feed to 30-50% than general cutting conditions at the beginning and the end of angled surface. Drills 1. Gap between the plates could make wrong chip evacuation causing fracture of the drill. 2. Place stacked plates without any gap between each 1. Irregular cutting resistance in plunging could cause fracture and deformation of the drill. 1. Boring is not recommended due to wear and chipping in the corner of the insert. 46