3DoF Leg Assembly Instructions v2.0

Last modified by Eric Nantel on 2024/07/03 09:20
3 DOF A Leg Assembly Instructions v2.0.

Updated 08/30/2007.

Safety first! Wear eye protection and never touch a powered robot!

Note: Do not use Loctite or thread locks on the assembly. They are not necessary and may cause damage to the Lexan or plastic.

Important! You need to build a right leg for every left leg by mirroring these instructions!
Image of completed Right (robot's right) leg.
 
Step 1.
Attach a ball bearing to the Multi-Purpose bracket as shown. See the figure below for detailed information.


Figure 1-1.
Figure 1-2.
 
Step 2.
Attach the Multi-Purpose bracket from step 1 to another Multi-Purpose bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.
 
2 x 2 x

Figure 2.

Step 3.
Attach two "C" brackets together, using two 2-56 x .250 screws and 2-56 nuts.
 
2 x 2 x


Figure 3.
 
Step 4.
Attach the "C" bracket to the Multi-Purpose bracket from step 2 as shown. See the figure below for detailed information.


Figure 4-1.
Figure 4-2.
 
Step 5.
Attach a Tubing Connector Hub to an "L" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.
 
2 x 2 x


Figure 5.

Step 6.
Attach the other side of the "L" connector bracket to the Multi-Purpose bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.
 
2 x 2 x

Figure 6.
 
Step 7.
Attach the Multi-Purpose bracket to a "C" bracket as shown, using two ball bearings. See the figure below for detailed information.


Figure 7-1.


Figure 7-2.
 
Step 8.
Install the servos as shown, using the included 3mm hardware, and #2 tapping screws.
 
4 x 12 x


Figure 8.

Step 9.
Connect a 3.0" tube to the hub using a 4-40 x .250" screw. Attach a rubber foot to the end of the tube.
 
1 x  
 
 
Be sure to mirror the other leg for symmetry. Once complete, you can move on to the body assembly instructions.
Figure 9-2.
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Created by Eric Nantel on 2024/07/03 09:20
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