# helical angle

## helical angle

[′hel·ə·kəl ′aŋ·gəl]
(mechanics)
In the study of torsion, the angular displacement of a longitudinal element, originally straight on the surface of an untwisted bar, which becomes helical after twisting.
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References in periodicals archive ?
The calculation of the tangential values of module m, pressure angle [alpha], helical angle [beta] on the base circle, pinion [r.
12) could be derived from the axial contact width of the gear b, helical angle [beta] and base radius [r.
7] analyze the factors that influence the efficiency of a ball screw and provide the formula for efficiency based on contact angle and helical angle.
m] is the nominal radius of screw, L is the pitch of screw, and [alpha] is helical angle of the groove.
Q: How much helical angle should I use with my fletching?
The rotors have trapezoidal cutters on a helical angle, not perpendicular to the rotor axis, making a staggered cut that reportedly uses less energy and is less likely to jam.
The helical angle of the flute depends on the type of material being tapped.
Tenders are invited for Helical Gear Drive Shaft Od 84 Mm No Of Teeth 18, Module-4, Helical Angle 4 Degree, As Per Drawing No.
You get this with large fletching set to an aggressive helical angle.
Tenders are invited for Helical Gear Od 332 Mm, No Of Teeth 80, Module -4, Helical Angle 8 Degree, Thickness 81 Mm, As Per Drawing No.
Based on the metal gearhead Series 32A; the low noise module for the first stage of the 32ALN features a detailed and well-matched combination of module, teeth count, helical angles, gearing width, and material choice.

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