Общий каталог Tungaloy 2020 - 2021 - страница 1374

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2-effective DrillIndexable DrillDeep Hole Drill DC PRACTICAL EXAMPLE Cutting conditions Tool diameter DC: ø30 mm BT50 M/C Machining data Drilling depth: 200 mmWorkpiecematerial:S45C Excellent chip evacuation ensures the stable drilling on M/C.Cutting speed Cutting speed Vc: 100 m/min Vc (m/min) Feed f: 0.1 mm/rev Machine: BT50 M/C ■Water-soluble coolant No spiral marks Burnishing effect HF Drill ■Pressure: 1.5 MPa caused by chips by guide pads Machinable range ■Through spindle improves surface finish Tool diameter DC: ø30 mm Drilling depth: 200 mm Competitor's tool Workpiecematerial: S45CCutting speed Vc:100 - 150 m/min Feed f: 0.1 - 0.2 mm/rev Machine: BT50 Horizontal M/C (Max 11 KW) Feed f (mm/rev) Cautionary points in use To start the tool, a pilot hole is required. - The pilot hole should ideally have a flat bottom, but generally (tolerance: + 0.1 to 0.15 mm) a indexable drill is acceptable to create a pilot hole if the inner insert touches the bottom last. Tool diameter Pilot hole length - DrillForce-Meister series or TDX drills are recommended for a DC (mm) H (mm) pilot hole drilling. ø30 ~ ø39 over 10 H ø39.01 ~ ø45 over 12.5 ø45.01 ~ ø57 over 15 ø57.01 ~ ø63 over 17.5 J148 www.tungaloy.com