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        <title>Anyone else having trouble getting straight acme rod?</title>
        <description> So I just received my second order from mcmaster the other day and my acme rod arrived practically bent in a u.  I got it swapped and this new one is bent to, just a whole lot less.  Is there a better source out there?  Do I have to spend money on the precision acme rod to get a straight one?  It seems a bit much that a product, designed for exact linear motion, would arrive in any way other then perfectly straight.


Is there some straightening procedure I&#039;m not aware of?</description>
        <link>https://reprap.org/forum/read.php?1,237116,237116#msg-237116</link>
        <lastBuildDate>Sat, 11 Apr 2026 03:46:28 -0400</lastBuildDate>
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        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237413#msg-237413</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237413#msg-237413</link>
            <description><![CDATA[ i mostly use M12 now as well so it makes a lot more noise and attracts a bit more attention than it used to<br />
<br />
Ohmarinus Wrote:<br />
-------------------------------------------------------<br />
&gt; I do exactly the same :) the people in the<br />
&gt; hardware store think I'm mentally ill or something<br />
&gt; haha.<br />
&gt; <br />
&gt; 'Hey theres that guy again that rolls the threaded<br />
&gt; rods on the floor'<br />
&gt; <br />
&gt; Kind of intolerant/shortsighted if you ask me..<br />
&gt; (they could also ask me why I am doing that and<br />
&gt; learn a thing or 2).<br />
&gt; Anyway, it works!! :)<br />
&gt; <br />
&gt; <br />
&gt; <br />
&gt; thejollygrimreaper Wrote:<br />
&gt; --------------------------------------------------<br />
&gt; -----<br />
&gt; &gt; normally when i go to my fastener shop, to get<br />
&gt; the<br />
&gt; &gt; straight pieces i roll them across a flat<br />
&gt; looking<br />
&gt; &gt; section of the shop floor, the ones that roll<br />
&gt; the<br />
&gt; &gt; furthest i consider straight and the ones that<br />
&gt; &gt; flop and don't roll anywhere i put back or use<br />
&gt; fo<br />
&gt; &gt; the frames]]></description>
            <dc:creator>thejollygrimreaper</dc:creator>
            <category>General</category>
            <pubDate>Sun, 18 Aug 2013 18:09:05 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237384#msg-237384</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237384#msg-237384</link>
            <description><![CDATA[ I do exactly the same :) the people in the hardware store think I'm mentally ill or something haha.<br />
<br />
'Hey theres that guy again that rolls the threaded rods on the floor'<br />
<br />
Kind of intolerant/shortsighted if you ask me.. (they could also ask me why I am doing that and learn a thing or 2).<br />
Anyway, it works!! :)<br />
<br />
<br />
<br />
thejollygrimreaper Wrote:<br />
-------------------------------------------------------<br />
&gt; normally when i go to my fastener shop, to get the<br />
&gt; straight pieces i roll them across a flat looking<br />
&gt; section of the shop floor, the ones that roll the<br />
&gt; furthest i consider straight and the ones that<br />
&gt; flop and don't roll anywhere i put back or use fo<br />
&gt; the frames]]></description>
            <dc:creator>Ohmarinus</dc:creator>
            <category>General</category>
            <pubDate>Sun, 18 Aug 2013 16:43:37 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237206#msg-237206</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237206#msg-237206</link>
            <description><![CDATA[ I wonder if the issue with mcmaster is with shipping?  I live close enough to them that I could pick up my order at the will-call desk.  I might try that sometime to see how it works.  They certainly cant be beat with the diversity of their selection, and the speediness of their shipping.  They;re the first place I turn to when looking for any hardware, especially metric.]]></description>
            <dc:creator>jbernardis</dc:creator>
            <category>General</category>
            <pubDate>Sun, 18 Aug 2013 00:24:47 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237204#msg-237204</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237204#msg-237204</link>
            <description><![CDATA[ jzatopa Wrote:<br />
-------------------------------------------------------<br />
&gt; Does anyone know about the quality of Enco<br />
&gt; products?<br />
<br />
<br />
I use Enco quite a bit.  You are likely to have some of the same issues with them as with McMaster in regards to shipping.  With both some orders are packed well, other times they aren't.]]></description>
            <dc:creator>vegasloki</dc:creator>
            <category>General</category>
            <pubDate>Sun, 18 Aug 2013 00:23:01 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237200#msg-237200</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237200#msg-237200</link>
            <description><![CDATA[ I like McMaster, but they don't ship stuff properly.  I ordered some linear guides from them ($80 a piece!) and they arrived loose in a box, and one of them did not move smoothly.  Needless to say, I returned them.  I then bought recirculating ball rails from Misumi, which arrived very well packaged to prevent damage.]]></description>
            <dc:creator>NewPerfection</dc:creator>
            <category>General</category>
            <pubDate>Sun, 18 Aug 2013 00:09:26 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237193#msg-237193</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237193#msg-237193</link>
            <description><![CDATA[ Does anyone know about the quality of Enco products?<br />
<br />
This is so cheap I might just order it to play with. [<a href="https://www.use-enco.com/CGI/INSRIT?PMAKA=890-9838&amp;PMPXNO=5283712&amp;PARTPG=INLMK32" target="_blank"  rel="nofollow">www.use-enco.com</a>]]]></description>
            <dc:creator>jzatopa</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 23:12:36 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237188#msg-237188</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237188#msg-237188</link>
            <description><![CDATA[ crispy1 I do not have the tops of my lead screws restricted by anything and I am still getting a z wobble.<br />
<br />
I am going to return this second rod and either order from roton or figgure something else out.  Roton has a minimum order of $60 so either I have to order parts for some project I want to do in the future or I may have to do a little group buy if anyone is interested.]]></description>
            <dc:creator>jzatopa</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 22:57:54 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237186#msg-237186</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237186#msg-237186</link>
            <description><![CDATA[ I agree with crispy1 on this, although I wish they were available from McMaster in metric sizes at the same price point.<br />
<br />
I'm building a new printer with lead screws I am buying from trinity labs.  A bit more expensive than McMaster, but not sky high.  And they are metric.<br />
I'll let you know how it turns out, but it might be a while before it's operational.]]></description>
            <dc:creator>jbernardis</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 22:53:48 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237180#msg-237180</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237180#msg-237180</link>
            <description><![CDATA[ If you're not overconstraining the rod, being crooked shouldn't matter.]]></description>
            <dc:creator>crispy1</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 22:34:43 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237176#msg-237176</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237176#msg-237176</link>
            <description><![CDATA[ normally when i go to my fastener shop, to get the straight pieces i roll them across a flat looking section of the shop floor, the ones that roll the furthest i consider straight and the ones that flop and don't roll anywhere i put back or use fo the frames]]></description>
            <dc:creator>thejollygrimreaper</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 22:31:31 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237173#msg-237173</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237173#msg-237173</link>
            <description><![CDATA[ Damn roton isn't cheap.]]></description>
            <dc:creator>jzatopa</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 22:10:28 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237142#msg-237142</guid>
            <title>Re: Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237142#msg-237142</link>
            <description><![CDATA[ Roton]]></description>
            <dc:creator>akhlut</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 19:06:12 -0400</pubDate>
        </item>
        <item>
            <guid>https://reprap.org/forum/read.php?1,237116,237116#msg-237116</guid>
            <title>Anyone else having trouble getting straight acme rod?</title>
            <link>https://reprap.org/forum/read.php?1,237116,237116#msg-237116</link>
            <description><![CDATA[ So I just received my second order from mcmaster the other day and my acme rod arrived practically bent in a u.  I got it swapped and this new one is bent to, just a whole lot less.  Is there a better source out there?  Do I have to spend money on the precision acme rod to get a straight one?  It seems a bit much that a product, designed for exact linear motion, would arrive in any way other then perfectly straight.<br />
<br />
<br />
Is there some straightening procedure I'm not aware of?]]></description>
            <dc:creator>jzatopa</dc:creator>
            <category>General</category>
            <pubDate>Sat, 17 Aug 2013 17:00:06 -0400</pubDate>
        </item>
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