Feb092020

Calculate the pressure angle of dividing cylinder, base cylinder and pitch cylinder, normal surface and end pitch circle of gear

① Spiral angle of two gears:

β1=0.5×（Σ-1）  

β2=β1

② Two gear indexing cylinder helix angle:

③ Two gear base cylinder helix angles:

④ Helical angle of two gear segments:

⑤ Pressure angle of normal pitch circle of two gears:

⑥ Pressure angle of end pitch circle of two gears:

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