helical gear

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A helical gear, also known as a screw gear, is a type of toothed wheel that has its teeth cut in a helix or spiral shape along the gear's axis. This design allows the gears to mesh together with smooth, continuous motion, similar to the way threads wrap around a screw. The angle and direction of the helix can be customized for specific applications, making helical gears a versatile choice in various mechanical systems.