PonokoYAxisAssembly < Main

Main.PonokoYAxisAssemblyr1.11 - 17 Dec 2008 - 21:07 - RussNelsontopic end
---++ Making the Ponoko RepRap Y Axis Assemblies
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<tr><td></td><td>[[http://reprap.org/bin/view/Main/PonokoRepRap][Main Ponoko Page]]</td></tr>

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<img src="%ATTACHURLPATH%/dsc04445.jpg" alt="A pair of idlers, doing nothing."  width="480" height="360" align="right" />
The Y Axis is the one that moves the X Axis assembly back and forth. There are three main components: Y Idlers and the Y Motor Assembly. The Y Idlers are possibly the simplest of all the RepRap assemblies to make, so we'll start with them. You'll need to make two.

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<img src="%ATTACHURLPATH%/dsc04441.jpg" alt="Parts for a Y Axis Idler Assembly"  width="480" height="360" align="right" />
This is the collection of parts that you need to build a Y Idler Assembly (you'll need two of them):
   * A M8 70mm bolt (or as pictured, 70mm of M8 studding)
   * One M8 nut (or if you're using studding, two)
   * One M8 Nyloc nut
   * Four M8 washers
   * One 608 bearing.

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<img src="%ATTACHURLPATH%/dsc04442.jpg" alt="Attaching Idler Mount to axle"  width="480" height="360" align="right" />
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Attach the Idler Mount to the axle.  If using a <part a="ifbolt">M8 70mm bolt</part>, put the head to the left.  If <part a="ifstudding">M8 70mm studding</part>, screw a <part a="ifstudding">M8 nut</part> onto it.  Then in this order, <part p="M8">washer</part>, Idler Mount, another Idler Mount, <part p="M8">washer</part>, <part p="M8">nut</part>.

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    <img src="%ATTACHURLPATH%/dsc04443.jpg" alt="Attaching Y Idler Bearing to axle loosely"  width="480" height="360" align="right"  />
Attach the Y Idler Bearing to the axle loosely.  Add to the M8 stack a <part p="M8">washer</part>, a 3mm disc laser-labelled with Y1D, the <part>608Z skate bearing</part>, another 3mm disc, a <part p="M8">washer</part>, and finally the <part p="M8">nyloc nut</part>.  Make another one and set these aside.
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    <img src="%ATTACHURLPATH%/dsc04446.jpg" alt="Parts for Y Drive Rod Assembly"  width="480" height="360" align="right" />
Parts for the Y Drive Rod Assembly:
   * 500mm M8 studding
   * 4 M8 washers
   * 4 M8 nuts
   * 2 ball chain gears

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    <img src="%ATTACHURLPATH%/dsc04447.jpg" alt="One end of the completed Drive Rod Assembly"  width="480" height="360"    align="right"  />You'll need a <part>M8 500mm studding</part>.
Screw one <part p="M8">nut</part> down the studding until about 45mm of thread remains.  Slide down a <part p="M8">washer</part>, the ball chain gear, another <part p="M8">washer</part>, run a <part p="M8">nut</part> down, slide a <part p="608Z">skate bearing</part> down to the nut, and follow it with another <part p="M8">nut</part> (see the next photo for the bearing and nut).  Make it finger-tight.

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    <img src="%ATTACHURLPATH%/dsc04455.jpg" alt="Attaching bearing to drive rod"  width="480" height="360" align="right"  />
On the other end of the rod build the same assembly:  Screw one <part p="M8">nut</part> down the studding until about 45mm of thread remains.  Slide down a <part p="M8">washer</part>, the ball chain gear, another <part p="M8">washer</part>, run a <part p="M8">nut</part> down, slide a <part p="608Z">skate bearing</part> down to the nut, and follow it with another <part p="M8">nut</part>.

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    <img src="%ATTACHURLPATH%/dsc04456.jpg" alt="Segments of the Y Axis Bearing Assembly"  width="480" height="360" align="right"  />
There are three lasercut pieces needed here.  Put <part p="4 M3">washer</part>s on <part>four M3 30mm screw</part>s and insert them into the 5mm Y Bearing part with the large (bearing-sized) hole, then the 3mm Y Bearing part.  There will be a gap here where 8mm posts will go, then the 5mm Y Bearing part with the small (slightly larger than 8mm) hole.  Slide on <part p="4 M3">washer</part>s and <part p="4 M3">nut</part>s.  Screw them on just far enough that they won't fall off, for now.

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    <img src="%ATTACHURLPATH%/dsc04457.jpg" alt="Y Bearing Assembly fitted to Drive Rod"  width="480" height="360" align="right" />
Slide the Y Drive Rod's bearing into the hole in the Y Bearing Assembly.

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    <img src="%ATTACHURLPATH%/dsc04449.jpg" alt="Additional Motor Plate for Y Motor Mount"  width="480" height="360" align="right"  />
The Y Motor Mount.

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    <img src="%ATTACHURLPATH%/dsc04458.jpg" alt="Fitting the Y Motor Plate"  width="480" height="360" align="right"  />
The Y Motor hangs off the end of this assembly.  When you make the second Y Motor Mount (<part p="four M3 30mm">screw</part>s, <part p="4 M3">washer</part>s, and <part p="4 M3">nut</part>s) attach the Y Motor Mount to the end.  Set this aside for the PonokoRepRapXAxisAssembly step.

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<table>
<tr><td></td><td>[[http://reprap.org/bin/view/Main/PonokoRepRap][Main Ponoko Page]]</td></tr>

<tr><td>[[PonokoUpperCornerAssembly][Prev Step]]</td><td></td><td>[[PonokoFrameBaseAssembly][Next Step]]</td></tr>
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-- Main.VikOlliver - 14 Nov 2008
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