Helix angle factor

Symbol Zβ
Unit -
Attribute-ID vdi_2736_2014_spiral_angle_factor_according_to_ISO6336
Numeric ID 9963
Value Type PMString

The helix angle factor can be determined according to the following three methods:

Acc. to. VDI 2736:2014

Zβ=1.0

Acc. to ISO 6336:2008

Zβ=1cosβ

Acc. to DIN 3990:1987

Zβ=cosβ