Joined: 04 Jul 2010
Posts: 110
Location: Miami, Fl. USA
Pop quiz?
Here is a quick question that maybe some of you already have an answer to...
You have a horizontal undercutter with a live shaft and when you drive around with the weapon spinning, the weapon shaft is kind of steering the bot!!
How do you stop (or minimize) this from happening?
Here is the bot in question...
Sharpening it to a point will help the most but then it will get stuck on any divet or join. You can round it into a ball shape which will also help a little.
I put one of those roller bearings which you sometimes see on floors for moving around large palletised/boxed gear in warehouses on mine back in the day. Which also helped but wore quite badly.
Joined: 04 Jul 2010
Posts: 110
Location: Miami, Fl. USA
I actually came up with a good solution, but was wondering if it was unique...so I am fishing...
btw: I received the escs, including the one..thx
Sun May 26, 2013 11:21 pm
Glen Experienced Roboteer
Joined: 16 Jun 2004
Posts: 9481
Location: Where you least expect
make a domed endcap with another bearing in that so it stays stationary. Always thought that may work but found the concept of a live shaft in a robot weapon to be backwards vs a fixed axle so never did it :p _________________ www.demon50s.com - Minimoto parts
http://www.youtube.com/user/HyzerGlen - Videoooozzz
Sun May 26, 2013 11:28 pm
rjw
Joined: 04 Jul 2010
Posts: 110
Location: Miami, Fl. USA
quote:Originally posted by Glen:
make a domed endcap with another bearing in that so it stays stationary. Always thought that may work but found the concept of a live shaft in a robot weapon to be backwards vs a fixed axle so never did it :p
In the case of an undercutter, how would you have a dead shaft? Unless the hub that the blade is mounted on extends up throught the frame? seems way more complicated than a live shaft.
Mon May 27, 2013 3:09 am
Daniel Experienced Roboteer
Joined: 30 Aug 2005
Posts: 2729
Location: Gold Coast
If you made the hub and the pulley as the same part and mounted the bearings/bushes into the hub/pulley you'll be able to have a dead shaft.
Mon May 27, 2013 6:52 am
rjw
Joined: 04 Jul 2010
Posts: 110
Location: Miami, Fl. USA
quote:Originally posted by Daniel:
If you made the hub and the pulley as the same part and mounted the bearings/bushes into the hub/pulley you'll be able to have a dead shaft.
Agreed...that was what I was tryoing to say in my previous post....but, I do have a good working solution that I will reveal once I have this bot finished (motor gear slipping, am waiting on a replacement)
thanks for the feedback guys...will reveal all soon!!
Mon May 27, 2013 8:10 am
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