Small, Cheap Plastic Gears?
July 6, 2010 1:50 PM Subscribe
What would be a good place to find small plastic gears for hobby projects?
posted by DMan to Sports, Hobbies, & Recreation (12 answers total) 3 users marked this as a favorite
As a few of my previous questions allude, I enjoy building small robots and other mechanical/electrical things in my spare time. Recently I've started to get a bit more serious with my hobby, and one thing that I need to figure out is where to get cheap, simple gears for some projects.
Example: A robotic arm. I need gears for the joints to attach to a servo or stepper motor, and at this point I don't anticipate needing to lift many pounds or anything, so I feel like plastic gears would work just fine. The problem is that it's actually really hard to find cheap, little gears online. Everything I've found is either "Here is a random set of 3 plastic gears", or (comparatively) very expensive and made out of metal. I'm more interested in a new retail source than a suggestion to buy and gut old printers--I'm not opposed to doing that, but I feel like the selection would be limited.
The ideal here would be a website with a huge selection of plastic gears so I could pick the right size and number of teeth for my uses. Extra bonus points if bevel gears that mesh at a 90 degree angle are included too. Oh, and cheap--I don't want to be paying 5 bucks a gear if I can help it, at this point.