Last modified by Eric Nantel on 2024/07/03 09:20
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1 -2 DOF B Leg Assembly Instructions
1 +2 DoF B Leg Assembly Instructions
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1 1  {{html wiki="false" clean="true"}}
2 +<body><table border="0" cellpadding="0" cellspacing="0" >
3 + <tbody><tr>
4 + <td valign="top" align="left"><b><font face="Verdana" size="2">2
5 + DOF B Leg Assembly Instructions.</font></b>
6 + <p><b><font face="Verdana" size="2">Updated 10/12/2010.</font></b></p>
7 + <p><font face="Verdana" size="2"><b>Safety first!</b> Wear eye protection and never touch a powered robot!</font></p>
8 + <p><font face="Verdana" size="2">Note: Do not use Loctite or thread locks on the assembly. They are not necessary and may cause damage to the
9 + PVC.</font> <font face="Verdana" size="2">Remember that the PVC parts DO have a
10 + definite good and a bad side. Try to keep the good sides facing the outside.&nbsp;</font>
11 + </p><p> <font face="Verdana" size="2">The PVC panels are laser cut and need to be cleaned before use. Using a damp paper towel, clean the top and bottom while the parts are still attached to the panel, then snap each part from the panel and clean the edges with the paper towel.<br>
12 + <br>
13 + <b>
14 + Important! You need to build three right legs (following these
15 + instructions),&nbsp; and
16 + three left legs (by mirroring these instructions)!</b></font></p></td>
17 + <td align="center" valign="top" width="320"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa12.jpg" border="2" hspace="10" ><br>
18 + <b>Image of completed Right (robot's right) leg.</b></font></td>
19 + </tr>
20 + <tr>
21 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
22 + </tr>
23 + <tr>
24 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
25 + 1.</strong><br>
26 + Attach the upper crossmember to the tibia as shown. Note the placement of the "driven" crossmember with the three extra holes. Use caution when tightening the screws.
27 + <b>Note, it is possible to over tighten and squish the leg parts if you don't pay attention.
28 + </b>
29 + &nbsp;</font>
30 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa01.gif" border="2" hspace="10" ><br>
31 + Figure 1-1.</font></p>
32 + </td>
33 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa01.jpg" border="2" hspace="10" ><br>
34 + Figure 1-2.</font></td>
35 + </tr>
36 + <tr>
37 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
38 + </tr>
39 + <tr>
40 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step 2.</strong><br>
41 + Attach the lower, passive crossmembers to the tibia as shown.&nbsp;&nbsp;</font>
42 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa01.gif" border="2" hspace="10" ><br>
43 + Figure 2-1.</font></p>
44 + </td>
45 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa02.jpg" border="2" hspace="10" ><br>
46 + Figure 2.</font></td>
47 + </tr>
48 + <tr>
49 + <td valign="top" align="left" colspan="2"><br class="pb">
50 + </td>
51 + </tr>
52 + <tr>
53 + <td valign="top" align="left"><font face="Verdana" size="2"><b>Step
54 + 3.</b><br>
55 + Attach the multi purpose bracket to the mechanical advantage bracket, using
56 + three&nbsp; 2-56 x .250 screws and 2-56 nuts.</font><font face="Verdana, Helvetica, sans-serif" size="2"><br>
57 + &nbsp;</font>
58 + <table border="0" >
59 + <tbody><tr>
60 + <td ><font size="2" face="Verdana"><b>3 x</b></font></td>
61 + <td ><font size="2" face="Verdana"><b>3 x</b></font></td>
62 + </tr>
63 + <tr>
64 + <td ><font face="Verdana" size="2"><b><img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/256025ph.GIF" ></b></font></td>
65 + <td ><font face="Verdana" size="2"><b><img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/256zpn.gif" ></b></font></td>
66 + </tr>
67 + </tbody></table>
68 + </td>
69 + <td align="left" valign="top" >
70 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa03.jpg" border="2" hspace="10" ><br>
71 + Figure 3.</font></p></td>
72 + </tr>
73 + <tr>
74 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
75 + </tr>
76 + <tr>
77 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step 4.</strong><br>
78 + Take the assembly from step 3 and the PVC part that matches the back of
79 + the mechanical advantage bracket and line up the servo hole pattern.&nbsp;</font>
80 + <p><font face="Verdana" size="2">Attach the leg's crossmembers to the
81 + bracket and PVC as shown.</font></p>
82 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa02.gif" border="2" hspace="10" ><br>
83 + Figure 4-1.</font></p>
84 + </td>
85 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa04.jpg" border="2" hspace="10" ><br>
86 + Figure 4-2.</font></td>
87 + </tr>
88 + <tr>
89 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
90 + </tr>
91 + <tr>
92 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
93 + 5.</strong><br>
94 + Remove the round servo horn and install the servo as shown, using the included
95 + 4-40 hardware. Keep the servo horn and screw. You will need them later.&nbsp;</font>
96 + </td>
97 + <td valign="top" >
98 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa05.jpg" border="2" hspace="10" ><br>
99 + Figure 5.</font></p></td>
100 + </tr>
101 + <tr>
102 + <td valign="top" align="left" colspan="2"><br class="pb">
103 + </td>
104 + </tr>
105 + <tr>
106 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
107 + 6.</strong><br>
108 + Assemble a dog bone using a 1.25" piece of 4-40 threaded rod and a ball link assembly on each end. There should be 3/8" of exposed rod left between them. Alternately, you can make the ball links 2" center to center.&nbsp;</font>
109 + <p><font face="Verdana" size="2">Be sure to make all 6 links as close to
110 + the same length as possible.</font></p>
111 + </td>
112 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa06.jpg" border="2" hspace="10" ><br>
113 + Figure 6.</font></td>
114 + </tr>
115 + <tr>
116 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
117 + </tr>
118 + <tr>
119 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
120 + 7.</strong><br>
121 + Drill a .125" hole in the servo horn that was removed earlier as
122 + shown. This can be done by hand using a drill bit like this.&nbsp;</font>
123 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/drill.jpg" border="2" hspace="10" ><br>
124 + Figure 7-1.</font></p>
125 + </td>
126 + <td valign="top" >
127 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa07.jpg" border="2" hspace="10" ><br>
128 + Figure 7-2.</font></p></td>
129 + </tr>
130 + <tr>
131 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
132 + </tr>
133 + <tr>
134 + <td valign="top" align="left"><font face="Verdana" size="2"><b>Step
135 + 8.</b><br>
136 + Attach the ball link assembly to the servo horn as shown using a 1/2"
137 + x 4-40 screw.</font>
138 + <p>&nbsp;
139 + </p><p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/bls03.gif" border="2" hspace="10" ><br>
140 + Figure 8-1.</font></p>
141 +</td>
142 + <td align="left" valign="top" >
143 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa08.jpg" border="2" hspace="10" ><br>
144 + Figure 8-2.</font></p></td>
145 + </tr>
146 + <tr>
147 + <td valign="top" align="left" colspan="2"><br class="pb">
148 + </td>
149 + </tr>
150 + <tr>
151 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
152 + 9.</strong><br>
153 + Attach the servo horn to the servo and the other end of the assembly to
154 + the driven crossmember using a 3/4" x 4-40 screw.</font>
155 + <p><font face="Verdana" size="2">Be sure that the leg is able to reach the
156 + two positions shown in Figures 2 and 3.</font></p>
157 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/bls04.gif" border="2" hspace="10" ><br>
158 + Figure 9-1.</font></p>
159 + </td>
160 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa09.jpg" border="2" hspace="10" ><br>
161 + Figure 9-2.</font></td>
162 + </tr>
163 + <tr>
164 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
165 + </tr>
166 + <tr>
167 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/range1.jpg" border="2" hspace="10" ><br>
168 + Figure 9-3.</font></td>
169 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/range2.jpg" border="2" hspace="10" ><br>
170 + Figure 9-4.</font></td>
171 + </tr>
172 + <tr>
173 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
174 + </tr>
175 + <tr>
176 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
177 + 10.</strong><br>
178 + Attach a ball bearing to the bottom of the multi purpose bracket as shown. See the diagram below for detailed information.&nbsp;</font>
179 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/ballb02b.gif" border="2" hspace="10" ><br>
180 + Figure 10-1.</font></p>
181 + </td>
182 + <td valign="top" >
183 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa10.jpg" border="2" hspace="10" ><br>
184 + Figure 10-2.</font></p></td>
185 + </tr>
186 + <tr>
187 + <td valign="top" align="left" colspan="2"><br class="pb">
188 + </td>
189 + </tr>
190 + <tr>
191 + <td valign="top" align="left"><font face="Verdana" size="2"><b>Step
192 + 11.</b><br>
193 + Install the servo as shown, using the included 3mm hardware.</font><font face="Verdana, Helvetica, sans-serif" size="2"><br>
194 + &nbsp;</font>
2 2  
196 + <table border="0" >
197 + <tbody><tr>
198 + <td ><font size="2" face="Verdana"><b>1x</b></font></td>
199 + <td ><font size="2" face="Verdana"><b>&nbsp;</b></font></td>
200 + </tr>
201 + <tr>
202 + <td ><font face="Verdana" size="2"><b><img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/srvhdw.gif" ></b></font></td>
203 + <td ><font size="2" face="Verdana"><b>&nbsp;</b></font></td>
204 + </tr>
205 + </tbody></table>
206 +</td>
207 + <td align="left" valign="top" >
208 + <p align="center"><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa11.jpg" border="2" hspace="10" ><br>
209 + Figure 11.</font></p></td>
210 + </tr>
211 + <tr>
212 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
213 + </tr>
214 + <tr>
215 + <td valign="top" align="left"><font face="Verdana" size="2"><strong>Step
216 + 12.</strong><br>
217 + Slide a rubber end cap over the tibia, and you're finished!&nbsp;</font>
218 + </td>
219 + <td align="center" valign="top" ><font face="Verdana" size="2"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-2dof-hexapods/2-dof-leg-b/WebHome/2dofa12.jpg" border="2" hspace="10" ><br>
220 + Figure 12.</font></td>
221 + </tr>
222 + <tr>
223 + <td valign="top" align="left" colspan="2"><font face="Verdana" size="2">&nbsp;</font></td>
224 + </tr>
225 +</tbody></table>
226 +</body>
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