23-2. Relational expression between the helix angle of the shaft and the thickness
23-2.Relational expression between the helix angle of the shaft and the thickness
Symbol description and unit
Shaft helix angle
θ=32*T*L/(π*G*d
4
)*180/π
=583.6*T*L/(G*d
4
) (everytime)
θ=
T： Torsion moment acting on the shaft 〔ｋgf･mm〕
L： Shaft length 〔mm〕
G： Lateral modulus [kgf/mm
2
]
d： Shaft diameter [mm]