Changes for page Polycarbonate Information Page
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... ... @@ -1,133 +1,147 @@ 1 1 {{html wiki="false" clean="true"}} 2 -<body><table border="0" cellpadding="0" cellspacing="0" > 2 +<body bgcolor="#FFFFFF"> 3 +<table border="0" cellpadding="0" cellspacing="0" > 3 3 <tbody><tr> 4 - <td valign="top" align="left"><b><font size="2" face="Verdana">Humanoid 5 - Biped Torso Assembly Guide<br> 6 - Rev. 1.</font></b> 7 - <p><b><font size="2" face="Verdana">Updated <!--webbot bot="Timestamp" 8 - startspan s-type="EDITED" s-format="%m.%d.%y" --> 9 - <!-- #BeginDate format:Am3 -->12/21/2011<!-- #EndDate --> 10 - <!--webbot 11 - bot="Timestamp" i-checksum="12845" endspan --></font></b></p> 12 - <p><font face="Verdana" size="2"><b>Safety first!</b> Wear eye protection and never touch a powered robot!</font></p></td> 13 - <td align="center" valign="top" width="320"><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt00.jpg" border="2" hspace="10" ><br> 14 - <b>Image of Humanoid Biped.</b></font></td> 15 - </tr> 16 - <tr> 17 - <td valign="top" align="left" colspan="2"><font face="Verdana" size="2"> </font></td> 18 - </tr> 19 - <tr> 20 - <td valign="top" align="left"><font face="Verdana" size="2"><b>Lexan Preparation.<br> 21 - </b>The lexan pieces have a protective covering that needs to be removed before assembly. When the laser cuts, the covering melts into the cut 22 - edge which can make removal difficult. If you gently scrape the cut edge with a flat blade screwdriver, the covering can easily be lifted and 23 - peeled off.</font> 24 - <p><font face="Verdana" size="2">On smaller pieces the coverings can be more difficult to remove. If you have trouble you can gently scrape the 25 - cut edge, then use duct tape to lift the covering off.</font></p> 26 - <p><font face="Verdana" size="2">For further information on lexan, see <a href="https://wiki.lynxmotion.com/info/wiki/lynxmotion/view/support/polycarbonate-info-page/" target="_blank">this page</a>.</font></p></td> 27 - <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-bipeds/humanoid-biped-torso/WebHome/lexan01.jpg" alt="" hspace="10" border="2"><br> 28 - Lexan Preparation.</font></td> 29 - </tr> 30 - <tr> 31 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 32 - </tr> 33 - <tr> 34 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 35 - 1.</font></b><font size="2"><br> 36 - Attach the hex spacers as shown, using 3/8" screws. The top four 37 - spacers and the one in the middle are 1.5"; put washers in between 38 - the these spacers and the lexan. The other four spacers are 1.0" and 39 - require no washers.</font></font> 40 - <p><font face="Verdana" size="2"><b>9 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/4375hscs.GIF" > 41 - 5 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/440nw.GIF" ></b></font></p> 5 + <td valign="top" ><font size="2" face="verdana"><strong>Polycarbonate Information Page<br> 6 + <br> 7 + Updated <!--webbot bot="Timestamp" startspan s-type="EDITED" s-format="%m/%d/%Y" -->07/30/2007<!--webbot bot="Timestamp" i-checksum="12528" 8 + endspan --></strong></font> 9 + <p><font size="2" face="verdana"><b>Why Polycarbonate?<br> 10 + </b>Some of our robots use Polycarbonate. Why, because it is very strong. The image to the right is of me trying really hard to bend one of the 11 + H2 bottom panels. It really hurt holding this long enough for the camera to snap the image. When I let go it returned to its normal flat 12 + shape, no worse for the wear. Now Polycarbonate is not indestructible, but it is very tough. A 1/8" thick x 1/4" wide strip can be 13 + broken, but it takes several back and forth bends before it finally breaks. </font></p> 14 + <p> </p> 42 42 </td> 43 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt01.jpg" border="2" hspace="10" ><br> 44 - Figure 1.</font></td> 16 + <td align="center" valign="top " width="320"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan01s.jpg" border="2" hspace="10" width="320" height="240"><br> 17 + <strong><font size="2" face="verdana">Will it Break? No!<br> 18 + <br> 19 + </font></strong></td> 45 45 </tr> 46 46 <tr> 47 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 22 + <td valign="top" ><font size="2" face="verdana"><b>Laser-cut Lexan properties</b> <br> 23 + The cut edge has a black residue which can easily be cleaned with a damp rag or paper towel. It is normal and can't be helped. When the residue 24 + is cleaned off, the edge will still be darker than the material. The dark edge is going to be present no matter what color the Lexan is. Most 25 + people like the way the cut edge looks, but there are some who would prefer not to have the dark edge. Technically, it would be possible to try 26 + to polish the edges, but beware it would be a very labor intensive project, and not worth the trouble in my opinion. <br> 27 + <br> 28 + <br> 29 + </font></td> 30 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan02.jpg" border="2" hspace="10" width="320" height="240"><br> 31 + <font size="2" face="verdana">Figure 1.<br> 32 + <br> 33 + </font></td> 48 48 </tr> 49 49 <tr> 50 - <td valign="top" align="left"><font face="Verdana"><b><fontsize="2">Step51 - 2.</font></b><font size="2"><br>52 - Usesnaprivetfasteners toattach twoservos as shown.Note thatthe53 - servo horn isclosest to thebottomofthe image.</font></font>54 - p><fontface="Verdana"size="2"><b>8 x <imgborder="2"src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/nrf01.GIF"></b></font></p>55 - < /td>56 - <tdalign="center"valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt02.jpg" border="2" hspace="10"><br>57 - Figure 2.</font></td>36 + <td valign="top" ><font size="2" face="verdana"><b>Lexan protective covering</b> <br> 37 + The Lexan pieces have a protective covering that needs to be removed before assembly. When the laser cuts, the covering melts into the cut edge 38 + which can make removal difficult. If you gently scrape the cut edge with a metal edge, such as a flat blade screw driver, the covering can 39 + easily be separated with a thumb nail. </font></td> 40 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan04.jpg" border="2" hspace="10" width="320" height="240"><br> 41 + <font size="2" face="verdana">Figure 2.<br> 42 + <br> 43 + </font></td> 58 58 </tr> 59 59 <tr> 60 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 61 - </tr> 62 - <tr> 63 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 64 - 3.</font></b><font size="2"><br> 65 - Attach the middle panel using 3/8" screws.</font></font> 66 - <p><font face="Verdana" size="2"><b>4 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/4375hscs.GIF" ></b></font></p> 46 + <td valign="top" ><font size="2" face="verdana"><b>Peal and Separate</b><br> 47 + Once it is started the covering easily peels off of the pieces. Note, you only want to scrape the edge. If done properly the pieces will not be 48 + damaged at all. <br> 49 + </font> 50 + <p> </p> 67 67 </td> 68 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt03.jpg" border="2" hspace="10" ><br> 69 - Figure 3.</font></td> 52 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan05.jpg" border="2" hspace="10" width="320" height="240"><br> 53 + <font size="2" face="verdana">Figure 3.<br> 54 + <br> 55 + </font></td> 70 70 </tr> 71 71 <tr> 72 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 58 + <td valign="top" ><font size="2" face="verdana"><b>Stubborn Coverings</b><br> 59 + From time to time the coverings can be more difficult to remove. If you have trouble you can gently scrape the cut edge as explained above, then 60 + put a piece of Duct Tape over it, then rip it up. This really works pretty well. </font></td> 61 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan09.jpg" border="2" hspace="10" width="320" height="240"><br> 62 + <font size="2" face="verdana">Figure 4.<br> 63 + <br> 64 + </font></td> 73 73 </tr> 74 74 <tr> 75 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 76 - 4.</font></b><font size="2"><br> 77 - Ensure that the plastic servo hinges have the metal nut inserted before proceeding. <br>Using double-sided tape, attach the plastic servo hinges as shown, and set the other three servos 78 - into position as shown.</font></font></td> 79 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt04.jpg" border="2" hspace="10" ><br> 80 - Figure 4.</font></td> 81 - </tr> 82 - <tr> 83 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 84 - </tr> 85 - <tr> 86 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 87 - 5.</font></b><font size="2"><br> 88 - Attach the <a href="http://www.lynxmotion.com/images/html/build089.htm">legs</a>, using the ball bearing hardware and four #2 tapping screws.<br> Note that only the C-brackets are shown for clarity.</font></font> 89 - <p><font face="Verdana" size="2"><b>2 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bb01.gif" > 90 - 4 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/2250phts.GIF" ></b></font></p> 67 + <td valign="top" ><font size="2" face="verdana"><b>The Finish</b><br> 68 + Lexan has a beautiful mirror smooth finish. However, in time it will get tiny surface scratches due to cleaning and normal wear and tear. It 69 + isn't really that noticeable, but under the right conditions it can be visible. Note: this step is optional!</font> 70 + <p><font size="2" face="verdana">There are some options for modifying the finish.</font></p> 71 + <p><font size="2" face="verdana">The Lexan parts can be sand blasted with a fine medium. I especially like the look on the black 72 + components. </font></p> 73 + <p><font size="2" face="verdana">The parts can be lightly sanded by hand, or with a random orbit sander with extra fine sand paper. This is easy 74 + to do, but should be done carefully to avoid removing too much material. The key is to make light even passes with the sander. </font></p> 75 + <p><font size="2" face="verdana">The result is a durable charcoal gray appearance that can't be scratched, because it has been pre-scratched in 76 + every direction.<br> 77 + <br> 78 + Lexan can also be painted, but use paint specifically designed for use with Polycarbonate. Your local hobby shop can help with this. There 79 + has also been some new developments in the paint industry specifically for plastics. Check out Krylon Fusion. <br> 80 + </font></p> 91 91 </td> 92 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt08.jpg" border="2" hspace="10" ><br> 93 - Figure 5.</font></td> 82 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan03.jpg" border="2" hspace="10" width="320" height="240"><br> 83 + <font size="2" face="verdana">Figure 5.<br> 84 + <br> 85 + </font></td> 94 94 </tr> 95 95 <tr> 96 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 88 + <td valign="top" ><font size="2" face="verdana">Here is an image of our old Pan and Tilt with the random orbit finish.<br> 89 + </font></td> 90 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexinf06.jpg" border="2" hspace="10" width="320" height="240"><br> 91 + <font size="2" face="verdana">Figure 6.<br> 92 + </font></td> 97 97 </tr> 98 98 <tr> 99 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 100 - 5.</font></b><font size="2"><br> 101 - Attach the 3/4" spacers to the backpack panel using 1/4" screws. <br> Latest torso design has SSC-32 facing left or right. </font></font> 102 - <p><font face="Verdana" size="2"><b>4 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/4250hscs.GIF" ></b></font></p> 103 - </td> 104 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt05.jpg" border="2" hspace="10" ><br> 105 - Figure 5.</font></td> 95 + <td valign="top" ><font size="2" face="verdana"><b>Finishing the holes</b><br> 96 + The holes in the panels just need a bit of a push and they just fall out. I am using a 3/32" ball end hex driver here. It works quite well 97 + and it's required to build the kits anyway. <br> 98 + </font></td> 99 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan06.jpg" border="2" hspace="10" width="320" height="240"><br> 100 + <font size="2" face="verdana">Figure 7.<br> 101 + <br> 102 + </font></td> 106 106 </tr> 107 107 <tr> 108 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 105 + <td valign="top" ><font size="2" face="verdana"><b>Separating the parts</b><br> 106 + Some of the kits have parts nested to simplify packaging and reduce errors. Larger parts can be snapped apart. The smaller parts can be easily 107 + separated with a hobby knife. Be careful! Use a large wood backer and work slowly. <br> 108 + </font></td> 109 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan07.jpg" border="2" hspace="10" width="320" height="240"><br> 110 + <font size="2" face="verdana">Figure 8.<br> 111 + <br> 112 + </font></td> 109 109 </tr> 110 110 <tr> 111 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 112 - 6.</font></b><font size="2"><br> 113 - Sandwich the three servos in between the front panel and the backpack 114 - panel as shown. <br>Attach the backpack panel using 3/8" screws. Note servo orientation.</font></font> 115 - <p><font face="Verdana" size="2"><b>5 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/4375hscs.GIF" ></b></font></p> 116 - </td> 117 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt06.jpg" border="2" hspace="10" ><br> 118 - Figure 6.</font></td> 115 + <td valign="top" ><font size="2" face="verdana"><b>Separating the optional openings</b><br> 116 + Some of the kits have optional openings that need to be cut out before assembly. Carefully press a flat Exacto knife into the opening where the 117 + part is attached to the main panel. <br> 118 + <br> 119 + Caution! Do not attempt to snap these optional openings apart. <br> 120 + </font></td> 121 + <td align="center" valign="top" ><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/support/polycarbonate-info-page/WebHome/lexan08.jpg" border="2" hspace="10" width="320" height="240"><br> 122 + <font size="2" face="verdana">Figure 9.<br> 123 + <br> 124 + </font></td> 119 119 </tr> 120 120 <tr> 121 - <td valign="top" align="left" colspan="2"><font size="2" face="Verdana"> </font></td> 127 + <td valign="top" ><font size="2" face="verdana"><b>Caution!</b><br> 128 + Lexan is the same material used in bullet proof glass. It is very strong, but has one important weakness. In the presence of certain chemicals, 129 + it will "craze". This means it will crystallize, become brittle, and even shatter. One substance in particular to watch out for is 1, 130 + 1, 1 Trichloroethane. This is a solvent, present in some motor cleaners and degreasers, which will crystallize polycarbonate on contact. 131 + Trichloroethane is a liquid CFC and has been removed from use, but may still be out there. Some products have switched to its cousin, 1, 1, 132 + Difluoroethane. While not as vigorously reactive as the previous chemical, it is still capable of crazing Lexan if allowed to come into contact 133 + for too long. Also avoid using Loctite or thread locks on the chassis assembly. They are not necessary and may cause damage to the Lexan.<br> 134 + <br> 135 + </font></td> 136 + <td align="center" valign="top" ></td> 122 122 </tr> 123 123 <tr> 124 - <td valign="top" align="left"><font face="Verdana"><b><font size="2">Step 125 - 7.</font></b><font size="2"><br> 126 - Attach the SSC-32 to the backpack (recent torso design has the SSC-32 facing left or right), using 1/4" screws.</font></font> 127 - <p><font face="Verdana" size="2"><b>4 x <img border="2" src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/4250hscs.GIF" ></b></font></p> 128 - </td> 129 - <td align="center" valign="top" ><font size="2" face="Verdana"><img src="https://wiki.lynxmotion.com/info/wiki/lynxmotion/download/servo-erector-set-robots-kits/ses-v1-robots/ses-v1-bipeds/humanoid-biped-torso/WebHome/bt07.jpg" border="2" hspace="10" ><br> 130 - Figure 7.</font></td> 139 + <td valign="top" ><font size="2" face="verdana"><b>Other Information</b><br> 140 + Lexan is a bit on the expensive side compared to foam PVC and acrylic, but the added strength makes it well worth the added cost. It can be 141 + drilled and cut easily using standard wood working tools. Use a low speed on the tool and low feed rates to prevent the plastic from melting to 142 + the tool. Have fun building your robots, and above all be careful!<br> 143 + </font></td> 144 + <td align="center" valign="top" ></td> 131 131 </tr> 132 132 </tbody></table> 133 133 </body>