Vex Robotics Clawbot Instruction Manual

Clawbot 1.0 •1
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
CLAWBOT WITH
SENSORS BUILDING
INSTRUCTIONS
USING THE
VEX CORTEX

Clawbot 1.0 •2
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
1Collect the parts and tools from the list below to attach the sensors:
Materials Quantity
Shaft, 4” Long 1
Shaft, 5” Long 2
Screw, 8-32 x 3/8” Long 9
Screw, 8-32 x 1/2” Long 2
Screw, 8-32 x 3/4” Long 12
Nut, 8-32 Keps 19
Shaft Spacer, Thin (4.6mm) 8
Shaft Spacer, Thick (8mm) 5
Standoff, 1” Long 1
Angle Gusset 2
Optical Shaft Encoder 2
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Potentiometer 1
Bump Sensor 1
Limit Switch 1
Ambient Light Sensor 1
Yaw Rate Gyroscope 1
Line Tracker 3
LCD Display 1
Integrated Motor Encoder Kit 1
Allen Wrench 3/32” 1
Allen Wrench 5/64” 1
Open End Wrench 1/4” 1
#1 Phillips Screwdriver 1
Pliers 1
Hacksaw 1
Note that this robot can only
be built if you have a standard
Clawbot already assembled

Clawbot 1.0 •3
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Attaching the Bumper Sensor
2
x2 x2x2
3/4”
x1
Place screws through the bump sensor and place thin spacers on the opposite side

Clawbot 1.0 •4
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Attaching the Bumper Sensor (continued)
2
Front View
Attach the bump sensor as shown below
Bottom View

Clawbot 1.0 •5
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
®
Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
3Attaching the Ambient Light Sensor
x1 x1 x1
3/8”
Claw is hidden for
visibility purposes
Front View
Top View

Clawbot 1.0 •6
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
4Attaching the Potentiometer
Remove the arm motor along with the clutch post and shaft coupler
To attach the Potentiometer,
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C-Channel holding the arm
Next, remove the left, bent bar and its screws and nuts

Clawbot 1.0 •7
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Remove the shaft collar below
Attaching the Potentiometer (continued)
4
This is what the robot should look like after the bar is removed

Clawbot 1.0 •8
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Carefully slide the C-Channel off the arm structure. Keep the bearing blocks intact.
Take the metal bar and remove the bearing blocks and rivets.
Attaching the Potentiometer (continued)
4

Clawbot 1.0 •9
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
®
Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Reattach the block on the opposite side of the metal bar
Attach the Potentiometer
Attaching the Potentiometer (continued)
4
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block and 2 rivets. We will use it
later for the limit switch.
x1x1
3/4”
x1

Clawbot 1.0 •10
© 2013 Carnegie Mellon Robotics Academy / For use with VEX
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Robotics Systems
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CLAWBOT BUILDING INSTRUCTIONS
Re-attach the arm motor along with the clutch post and shaft coupler
Attaching the Potentiometer (continued)
4
Reattach the bent bar we removed earlier