Spur Gear Mesh - PLANE of ACTION

Spur gear mesh contact lines in the plane of action, modeled using the Gears App by Drivetrain Hub.

As illustrated in the video, the contact lines are parallel with the spur gear teeth direction in the axial direction. This characteristic makes it easy to interpret the plane of action for a spur gear mesh, but the sudden entering and exiting of a tooth pair in contact results in poor vibration and noise performance.

Gears App is web-based gear software for engineering professionals, students, and hobbyists. It is the only professional gear engineering software made available as an affordable monthly subscription service.

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