My team is attempting to upgrade our feeding system, and we have seen that feeding systems which essentially have a row of belts or rollers on the bottom of the robot’s hopper are both simple and effective (ex: 254). Does anyone have any advice/difficulties they faced when building this type of system, and does anyone have any pictures of these types of systems?
Thanks!
This is what we have, it’s poly cord belts and 3d printed pullys on hex shafts and driven by a 775 pro on a 5:1 gearbox. It’s works pretty good.
http://m.imgur.com/Z3MIZ0m,zKi3xuP,xkl716c
Here is what we’ve just finished up for our bot. It’s conceptually inspired by what we saw on 33’s robot.
http://i.imgur.com/TiRQK26.png
It uses 1" flat urethane belt, is designed to be reversible between matches, and has an approx. 10" wide shot path. One 775 drives the belts and indexer wheels and two 775’s on the shooter.
I think he means floor pickups.
Look carefully at the geometry of the floor pickups. You can’t just put a roller in front of the bot, because it needs to be able to get over the top of the ball, then pull up on the back side to lift the ball. You’ll probably want what we call a ‘chin bar’ across the front a couple inches in front of your bumper, otherwise you’ll have a dead zone where the bar can’t hit the ball.
Sorry, I was referring to shooter feeding systems, not ground pick-ups.
Some advice I would give is to make sure your balls dont get to a point where they just sit and rotate on the belt. Maybe put something on the belts that force the balls to the back of the hopper.
Yes,
We had this issue until we tilted the floor enough to allow them to roll. We tried putting zip ties on belt but it cause the belts to jump on the pullys s