6 May 02 14:18
Geartraxx is a very good program and it does a great job of making many different types of gears. If you need that type of detail in your model that is. For genreral representation though I would simply model the basic (major diameter) of the gear and its typical section. From a performance standpoint this is much faster to rebuild, especialy if you have a great deal of them in your assembly. If you do however need to have the detail in your model, you can arrive at it in two ways:
1. Use a program such as geartraxx, or
2. Model them manually.
Basically to manually model a gear there are many diffrent methods depending on what type of gear it is, obviously spur gears are the easiest to model, and cosist of three basic features, a base revolve, a cut or boss-extrude to define one of the tooth profiles. and a circuilar pattern of the extrude feature.
Helical gears are a bit more tricky, but basically the same rules apply, Revolve the base feature, then define a helix to use a path for sweeping the tooth profile, and then a circular pattern of the sweep.
I guess the question is how much detail do you actually need on the gear?