pressure_angle

property WormGear.pressure_angle: Angle

Pressure angle of the worm gear. It must be an instance of Angle and its value must be one of: 14.5 deg, 20 deg, 25 deg or 30 deg.

Once set at the worm gear instantiation, it cannot be changed afterward.

Returns

Angle

The pressure angle of the worm gear.

Raises

TypeError

If pressure_angle is not an instance of Angle.

ValueError

If pressure_angle value is not among available ones: 14.5 deg, 20 deg, 25 deg or 30 deg.