When meshed inside of a gearbox, Helical gears offer more tooth Make contact with between each other, creating a regular connection. This is often in contrast to spur gears, which have much less continuous contact. A mix of helical and bevel gears characterizes the bevel helical or suitable-angle gearbox. https://keeganvvtrq.blogsidea.com/40192672/new-step-by-step-map-for-gearbox