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Axial Thrust
Gear term index
   
Axial Thrust is created by two helical gears running together.

Direction of Axial Thrust on Driving and Driven gears
Hand of Helix
Rotation
Driving Gear
Driven Gear
Left
Clockwise
Toward viewer
Away from viewer
Left
Counter-Clockwise
Away from viewer
Toward viewer
Right
Clockwise
Away from viewer
Toward viewer
Right
Counter-Clockwise
Toward viewer
Away from viewer

 
Whereas:
Wx = Axial Thrust
Wt = Tangential Driving Load
T = Torque
Pn = Horsepower
RPM = Revolutions Per Minute
ß = Helix Angle ()
Formula: Wx = Wt * tan(ß)
Calculation Procedure:
T = (Pn*63.025)/RPM
Wt = T/Pitch Circle Radius
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