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T-Hex 4DOF Leg (Front/Middle legs)

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Posted: 2010-03-04 18:39 
This assembly guide will illustrate how to construct the front and middle 4DOF legs for the T-Hex. The text and images refer to building the robot's right legs. You will need to mirror these instructions to construct the robot's left legs. To complete the T-Hex, you will need four of these legs, two right legs (by following these instructions), and two left legs (by mirroring these instructions.)

Attachment:
legf.JPG
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Image of the completed leg.



Step 1.
Attachment:
assm01.JPG
assm01.JPG [ 33.42 KiB | Viewed 7102 times ]
Attach a Tubing Connector Hub to an "L" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.

2x 2x



Step 2.
Attachment:
assm02.JPG
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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.

2x 2x



Step 3.
Attachment:
assm03.JPG
assm03.JPG [ 26.56 KiB | Viewed 7214 times ]
Connect a 1.5" tube to the hub using a 4-40 x .250" screw.

1x



Step 4.
Attachment:
assm04.JPG
assm04.JPG [ 29.25 KiB | Viewed 7214 times ]
Attach an offset "C" bracket to an "L" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.

2x 2x



Step 5.
Attachment:
assm05.JPG
assm05.JPG [ 32.28 KiB | Viewed 7214 times ]
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.

2x 2x



Step 6.
Attachment:
assm06.JPG
assm06.JPG [ 28.55 KiB | Viewed 7214 times ]
Attach the offset "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information.





Step 7.
Attachment:
assm07.JPG
assm07.JPG [ 30.54 KiB | Viewed 7214 times ]
Attach a long "C" bracket to an offset "C" bracket as shown, using two 2-56 x .250 screws and 2-56 nuts.

2x 2x



Step 8.
Attachment:
assm08.JPG
assm08.JPG [ 24.46 KiB | Viewed 7214 times ]
Attach the offset "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information.





Step 9.
Attachment:
assm09.JPG
assm09.JPG [ 31.68 KiB | Viewed 7214 times ]
Attach a ball bearing to the Multi-Purpose bracket as shown. See the diagram below for detailed information.





Step 10.
Attachment:
assm10.JPG
assm10.JPG [ 28.83 KiB | Viewed 7152 times ]
Attach the two multi-purpose brackets as shown, using two 2-56 x .250" screws and 2-56 nuts.

2x 2x



Step 11.
Attachment:
assm11f.JPG
assm11f.JPG [ 27.47 KiB | Viewed 7101 times ]
Attach the "C" bracket to the Multi-Purpose bracket as shown. See the diagram below for detailed information.





Step 12.
Attachment:
assm14.JPG
assm14.JPG [ 43.92 KiB | Viewed 7103 times ]
Install the servos as shown, using the included 3mm hardware, and #2 tapping screws. Note, for quick prototype assembly, you can use rivet fasteners (sold separately: NSRF-01).

6x 16x



Step 13.
Attachment:
assm15.JPG
assm15.JPG [ 35.23 KiB | Viewed 7103 times ]
Slide a rubber foot over the over the end of the 1.5" tube, and you're finished!



_________________
Curiously enough, the only thing that went through the mind
of the bowl of petunias as it fell was "Oh no, not again."

James "Don't call me Jim" Frye
Lynxmotion, Inc
http://www.lynxmotion.com


 

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