Reddit reviews Boston Gear L20206 Rack Gear, 20 Degree Pressure Angle, 20 Pitch, 6.0 feet long, Steel
We found 1 Reddit comments about Boston Gear L20206 Rack Gear, 20 Degree Pressure Angle, 20 Pitch, 6.0 feet long, Steel. Here are the top ones, ranked by their Reddit score.
Gear rack for use with spur gear pinion (not included) to convert rotary motion into linear motionHigh alloy steel for strength and durability20 degree pressure angle for higher load-carrying capacity than 14.5 degree pressure angle6' long, 20 teeth per foot0.50" face width and 0.50" overall rack thickness
That's an interesting concept. I wonder how I'd attach something like this to my rails. This requires more research.
I don't really know much about gears (or rack and pinion). Anyone care to offer advice on pitch, pressure angle, or whatever, for this purpose? It looks at a glance like Amazon has some options, though they're a bit expensive. This might be a future upgrade.
http://www.amazon.com/Boston-Gear-L20206-Degree-Pressure/dp/B004N630GI/ref=sr_1_4?s=industrial&ie=UTF8&qid=1451405391&sr=1-4&keywords=rack+and+pinion
http://www.amazon.com/Martin-14-5%C2%B0-Pressure-Angle-Backing/dp/B0051V9MH0/ref=sr_1_4?s=industrial&ie=UTF8&qid=1451405692&sr=1-4&keywords=rack+and+pinion&refinements=p_n_availability%3A1248818011%2Cp_89%3AMartin