Основной каталог Winstar 2021 - страница 481

Deep Hole Drilling Application Guide

1 Short drill for piloting

Coolant : On/off 3×D ~ 5×D Drills

2×D

2 Long drill into pilot hole

Coolant : Off 10xD ~ 20xD Drills n = 100~500rpm 1.5×D Vf > 500mm/min

3 Spotting

Coolant : On 10xD ~ 20xD Drills Vc = 100% 3×D Vf = 50%

4 Deep Hole drilling

Coolant : On 10xD ~ 20xD Drills Vc = 100% Vf = 100%

5 Retracting

Coolant : Off 10xD ~ 20xD Drills n = 100~500rpm Vf > 500mm/min