Каталог Iscar державки и пластины для нарезания резьбы 2022 - страница 83

Helix (Lead) angle area by using graph

Helix angle evaluation

10 9.5 9 8.5

8 7.5 7 6.5 6 5.5 5 4.5 4 3.5 3 2.5 2 1.5 1 0.5 0

0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200

Diameter [mm]

Detailed view for small pitch/diameter

1.5

1.4

1.3

1.2

1.1

1

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

0

φ(φL) φ(φL) φ(φL)

5° 4° 3°

φ(φL)

2°

φ(φL)

1°

0 1 2 3 4 5 6 7 8 9 10

Diameter [mm]