T-Hex 4DoF Leg Assembly Instructions

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<h1>4 DOF T-HEX Leg Assembly Instructions</h1>

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<p><b>Updated November 11, 2010</b></p>

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<p><span class="safety">Safety first!</span> Wear eye protection and never touch a powered robot!</p>

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<p><b>Important!</b> If you are building legs for the T-HEX robot, you will need to build three right legs (following the pictures on the right) and three left legs (by following the pictures on the left)!</p>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach a Tubing Connector Hub to an "L" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts. Make six of these.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 1. (Left Leg)</span>

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<span>Figure 1. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>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. Make three of each.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 2. (Left Leg)</span>

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<span>Figure 2. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Connect a 1.5" tube to each hub using a 4-40 x .250" screw.</p>

<div class="asm-part-name">4-40 x .250" socket head screw</div>

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<span>Figure 3. (Left Leg)</span>

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<span>Figure 3. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach an offset "C" bracket to an "L" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts. Create six of these.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 4. (Left Leg)</span>

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<span>Figure 4. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach the other side of the six "L" connector brackets to a Multi-Purpose bracket as shown, using two 2-56 x .250 screws and 2-56 nuts. Make three for each side.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 5. (Left Leg)</span>

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<span>Figure 5. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach the offset "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information. You should have three of each of these assemblies at the end of this step.</p>

<div class="asm-part-name">Bracket assembly diagram</div>

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<span>Figure 6. (Left Leg)</span>

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<span>Figure 6. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Connect a long "C" bracket and an offset "C" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts. Create six of these.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 7. (Left Leg)</span>

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<span>Figure 7. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach the "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information. Make three of each.</p>

<div class="asm-part-name">Bracket assembly diagram</div>

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<span>Figure 8. (Left Leg)</span>

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<span>Figure 8. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (All Legs)</div>

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<p>Attach a ball bearing to the Multi-Purpose bracket as shown. See the diagram below for detailed information. Make three of each.</p>

<div class="asm-part-name">Ball bearing assembly diagram</div>

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<span>Figure 9. (Left Leg)</span>

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<span>Figure 9. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Front & Middle Legs)</div>

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<p>Attach two multi-purpose brackets as shown, using two 2-56 x .250" screws and 2-56 nuts. Make two for each side.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 10. (Left Leg)</span>

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<span>Figure 10. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Front & Middle Legs)</div>

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<p>Attach the "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information. Create two of each.</p>

<div class="asm-part-name">Bracket assembly diagram</div>

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<span>Figure 11. (Left Leg)</span>

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<span>Figure 11. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Front & Middle Legs)</div>

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<p>Install the servos as shown, using the included 3mm hardware and #2 tapping screws.</p>

<div class="asm-part-name">#2 x .250" tapping screw</div>

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<div class="asm-part-name">3mm servo hardware set</div>

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<span>Figure 12. (Left Leg)</span>

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<span>Figure 12. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Rear Legs)</div>

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<p>Attach the two multi-purpose brackets as shown, using two 2-56 x .250" screws and 2-56 nuts. Make one for each side.</p>

<div class="asm-part-name">2-56 x .250" Phillips screw</div>

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<span>Figure 13. (Left Leg)</span>

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<span>Figure 13. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Rear Legs)</div>

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<p>Attach the "C" brackets to the Multi-Purpose bracket as shown. See the diagram below for detailed information.</p>

<div class="asm-part-name">Bracket assembly diagram</div>

</div>

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<span>Figure 14. (Left Leg)</span>

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<span>Figure 14. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly (Rear Legs)</div>

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<p>Install the servos as shown, using the included 3mm hardware and #2 tapping screws.</p>

<div class="asm-part-name">#2 x .250" tapping screw</div>

</div>

</div>

</div>

<div class="asm-part-name">3mm servo hardware set</div>

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<span>Figure 15. (Left Leg)</span>

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<span>Figure 15. (Right Leg)</span>

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<div class="asm-step-name">4 DOF T-HEX Leg — Assembly Complete! (All Legs)</div>

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<p>Slide a rubber foot over the end of each 1.5" tube, and you're finished!</p>

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<span>Figure 16. (Left Leg)</span>

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<span>Figure 16. (Right Leg)</span>

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