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#3
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Re: Turret Mechanism
There are a couple options:
Andymark turret: Probably a bit too big for the fuel this year (unless you're doing a double shooter lol) Use a belt wrapped around some type of tube with a pulley as the pinion -399 did this in 2012 - You would need an outer circle dimension for this. - You could probably find this dimension for the HTD belts that AM and VEX sell if you look hard enough -Another option would be to use McMaster belts/pulleys (could possibly interface pulley on to a cim output versaplanetary) -This method is like making a turret gear without actually making it. Could be something to look at if you don't have good machining capabilities. Gears - Custom cut if you have waterjet access ( inventor has a tool for auto-generating gears) - make sure any pinion gear you use is compatible with the turret gear (standard FRC sizes 20 dp with 14.5 degree pa or 32 dp with 20 degree pa) - Would probably be easier to interface with current FRC COTS components - As mentioned above take a good look at 254s 2016 robot. Also look at TBA design hub for 2012 robots with turrets. 1114 2012 is also a good robot to look at (cad here). to actually mount these on to your robot look at some of turntables found here: https://www.mcmaster.com/#lazy-susan-bearings/=15xunfe edit: you can find outer circle in mm for 5mm pitch htd belts here Last edited by Roboshant : 16-01-2017 at 16:00. |
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