chassis & drive
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Chassis Specifications
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| frame: |
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extruded aluminum, 8020, Inc. |
| drive: |
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two wheel |
| front: |
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ball caster |
| rear: |
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2.50 x 4 pneumatic tire |
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Drive Specifications
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| Chassis and drive assembly drawing. |
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Left drive subassembly drawing. Right side drive is a mirror of the left.
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Right side drive assembly showing
speed feedback
encoder and drive.
This arrangement isolates the encoder
from the final drive chain shock
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Photo of the drive assembly
in the robot chassis.
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Fabrication drawing of the encoder mounting plate. Actual part was CNC machined from a DXF file of this model.
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Concept for dancer-arm mounting of encoder. This simple, light-weight, design was not used because it drove the encoder directly off the final drive chain, where it would be subjected to high shock loads.
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Top chassis subassembly showing
location of tower tilt drive system
and air compressor.
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Top chassis subassembly drawing.
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Ball casters eliminate steering problems associated with swivel casters typically used, and allow robot to turn on
own center.
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"Pink Pearl" pneumatic tires have excellent traction, and under acceleration leaves
pink streaks on carpet.
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2picture_small.JPG)
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Battery mount.
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Caster mounting plate.
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