Общий каталог Tungaloy 2020 - 2021 - страница 1374

Предыдущая страница Следующая страница

Навигация

PRACTICAL EXAMPLE

Cutting conditions

Tool diameter DC: ø30 mm BT50 M/C Machining data

Drilling depth: 200 mm Workpiece Excellent chip evacuation ensures the stable drilling on M/C. material: S45C 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 Burnishingect■Pressure: 1.5 MPa
eff HF Drill
caused by chips by guide pads■Through spindle
Machinable range
improves surface
fi nish
Tool diameter DC:ø30 mm
Drilling depth:200 mm
WorkpieceS45C
material:
Competitor's tool
Cutting 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 fl at 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.
- DrillForce-Meister series or TDX drills are recommended for a
Tool diameterPilot hole length
DC (mm)H (mm)pilot hole drilling.
ø30 ~ ø39over 10H

ø39.01 ~ ø45 over 12.5 ø45.01 ~ ø57 over 15 ø57.01 ~ ø63 over 17.5