Axis Tensioner - Y axis
by MakerBlock, published
Description
You can find my X axis belt tensioner here thingiverse.com/thing:1673
V1 - Based upon a single captive nut.
V2 - Fixing an alignment issue.
V3 - First printable version. The smaller piece that holds the captive nut was too long.
2010-01-23
V6 - Same concept, but a different design using two captive nuts on each side of the Y axis pulley. My test print is suffering from some X stage problem, so the prints aren't coming out right yet. However, I wanted to post this in case I could get feedback from others.
2010-01-25
V7 - Same concept with a few improvements.
I created the screenshot from Unrepentantgeek\'s Sketchup version of the Cupcake CNC. thingiverse.com/thing:1449
Recent Comments
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I just printed this, but now that I see how it fits I am not sure it if will work. My Batch 1 bot has 3mm plywood for the X and Y.
Does it need a snug fit around the front of the plywood to hold it in place?
&
gt; Perhaps the versions difference is the reason why yours needed a little trimming?
I think that's exactly it. From the batch 10+ X-stage assembly page at the wiki, it looks like the recent X Cap pieces reach all the way down to the top piece of the X stage and the previous ones did not. The seem to be similar height but the new ones have the bolt holes higher up on the part.
Sweet! I'm glad it helped!
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Instructions
The smaller piece should fit around the hex nut under the Y axis pulley. The second piece should fit around the edge of the Y axis.
Drop two M3 nut into the slots in the smaller piece that fits around the Y axis pulley.
Insert two M3x16 bolts.
Tigthen.
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Same comment as JadeKnight - had to do a little bit of trimming but otherwise a very nice Thing!
The current 'nut' design was too wide to fit on my bot.
After printing, I had to cut some material off the sides of 'nut' part to make it fit in the gap around the pulley. You can see it in the picture.
Other than that, it works quite nicely.
Excellent! I'm glad it worked! I designed it based upon my Batch 9 bot, #465. It looks like you've got a Batch 10 or higher, based upon the pre-fab/non-printed pulley.
Perhaps the versions difference is the reason why yours needed a little trimming?
I just printed this, but now that I see how it fits I am not sure it if will work. My Batch 1 bot has 3mm plywood for the X and Y.
Does it need a snug fit around the front of the plywood to hold it in place?