DEWBOT VI Drive Train Tread Wear
One of the issues we had at Drexel is that one wheel had extreme tread wear. This page is a discussion on what the problem is, what possible reasons are and how to test for the reason before we do a repair.
Contents
Problem
The wheel on pivot #4 exhibits extreme tread wear when compared to the other wheels.
Wheels all were retreaded on xxx. Wear was noticed at the 7th match at Drexel and replaced. Wheel had only yyy minutes of wear.
Wear was even across the entire tread.
Thesis: Brake Jumper on Jaguar
The brake jumper is installed on the drive cRio. This means every time the robot changes direction the wheel will stop, dragging the tread. The other wheels would continue to spin along the carpet.
Tests and Results
Look at the drive Jaguar for that pivot.
Thesis: Pivot Steering Chain
The chain that controls the steering is loose, this would lead to wear because of ?????
Tests and Results
Thesis: Loose Axle Bearing
The axle bearing collar was loose, this would allow the wheel to slide back and forth across the axle. This would lead to wear because of ???????
Tests and Results
Thesis: Position Sensor Mounted Differently
The magnet for the Cherry Position Sensor is mounted differently than the other three. This would cause wear because ?????
Tests and Results
Thesis: Different Drive Code
There is different drive code for that pivot. This would cause wear because ?????