Bordignon DTAP 1, Инструкция по эксплуатации, Страница: 34 / 56

30
Direct Drive tapping unit with touch screen multiple control panel
Preholes for cold forming threading
THrEAD PITCH TAP TOLErANCE
PrEHOLE
(min. suggested Ø )
rPm
mild materials
rPm
inox/high tensile
streght mat.
m2 0,40
ISO2 (6H)
ISO3 (6G) 1,85
1,85
3500 1750
m3 0,50
ISO2 (6H)
ISO3 (6G) 2,80
2,80
3000 1500
m3.5 0,60
ISO2 (6H)
ISO3 (6G) 3,25
3,25
2800 1400
m4 0,70
ISO2 (6H)
ISO3 (6G) 3,70
3,70
2500 1200
m5 0,80
ISO2 (6H)
ISO3 (6G) 4,65
4,65
2000 900
m6 1,00
ISO2 (6H)
ISO3 (6G) 5,60
5,65
1500 700
m8 1,25
ISO2 (6H)
ISO3 (6G) 7,45
7,50
1000 500
m10 1,50
ISO2 (6H)
ISO3 (6G) 9,35
9,40
800 400
Use cold forming threading oil only
For inox or high resistance steel, increase the prehole of 0,05 mm