Difference between revisions of "DEWBOT II Mechanical"
From DEW Robotics
MaiKangWei (talk | contribs) (→Ball Lift) |
MaiKangWei (talk | contribs) (→Ball Lift) |
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:The Ball Lift is a vertical conveyor tower having a pair of conveyors: Left and Right. | :The Ball Lift is a vertical conveyor tower having a pair of conveyors: Left and Right. | ||
| − | :Each | + | :Each conveyor comprises: |
::* (5) 3/8" OD latex tube "cords" | ::* (5) 3/8" OD latex tube "cords" | ||
::* (7) conveyor rollers | ::* (7) conveyor rollers | ||
::* A Globe Motor direct drive of the bottom-most roller | ::* A Globe Motor direct drive of the bottom-most roller | ||
::* A spring tensioner on the top-most roller | ::* A spring tensioner on the top-most roller | ||
| + | :The two driven bottom-most rollers are angles relative to the other rollers, providing a wider opening at the entrance of the Ball Lift thereby allowing easier ball entry. | ||
==Hopper== | ==Hopper== | ||
Revision as of 02:10, 24 August 2009
DEWBOT II's scoring system is designed to:
- Score by shooting balls into the central high goal
- Alternatively score by schooting balls into the low side goals
- Collect balls off the playing field to reload the Shooter's storage hopper
Contents
Overview
Beater Bar
- A high-speed (ungeared Mabuchi RS-545SH2485 on a speed controller) front Beater Bar caught balls and drove them back to the Ball Lift. The Beater Bar also prevented balls from being lost during robot reverse drive. A pair of guides directed the balls into the Ball Lift entrance.
Ball Lift
- The Ball Lift is a vertical conveyor tower having a pair of conveyors: Left and Right.
- Each conveyor comprises:
- (5) 3/8" OD latex tube "cords"
- (7) conveyor rollers
- A Globe Motor direct drive of the bottom-most roller
- A spring tensioner on the top-most roller
- The two driven bottom-most rollers are angles relative to the other rollers, providing a wider opening at the entrance of the Ball Lift thereby allowing easier ball entry.
Hopper
Ball Chute - Feed Servos - "Ski Jump"
Shooter
Strengths
- Reliability
- Flexibility to target either High or Low goals
- Easy ball collection
Weaknesses
- Low rate of fire
- Difficult and slow to aim
- Small hopper capacity
- Low Shooter position was easy for opponents to block
- Low scoring
