4 Answers
- 1.Simple gear train. In this type, there is only one gear is mounted on each shaft.
- 2.Compound gear train. In this type, two or more gears are mounted on each shaft.
- 3.Riveted gear train. The compound gear trainin which input and out put shafts are collinear to each other.
- 4.Epicyclic gear train.
There are three major categories of gears in accordance with the orientation of their axes
Parallel Axes / Spur Gear, Helical Gear, Gear Rack, Internal Gear.
Intersecting Axes / Miter Gear, Straight Bevel Gear, Spiral Bevel Gear.
Nonparallel, Nonintersecting Axes / Screw Gear, Worm, Worm Gear (Worm Wheel)
Parallel Axes / Spur Gear, Helical Gear, Gear Rack, Internal Gear.
Intersecting Axes / Miter Gear, Straight Bevel Gear, Spiral Bevel Gear.
Nonparallel, Nonintersecting Axes / Screw Gear, Worm, Worm Gear (Worm Wheel)