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<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/"> <channel> <title>Affordable plastic shredder</title> <description> Since I got my filastruder running I´m looking for a plastic shredder to also use the 40$/kilo print scrap together with fresh pellets. My household blender is not nearly powerful enough for this job and the only two alternatives the 400$ shredder from filabot and a set of plans from thingyverse are too expensive. Therefore my question has someone ever seen a mill/shredder/blender or other construction which would be powerful enough to crush solidly printed parts? Cheers</description> <link>https://reprap.org/forum/read.php?1,352813,352813#msg-352813</link> <lastBuildDate>Sun, 26 May 2024 14:17:54 -0400</lastBuildDate> <generator>Phorum 5.2.23</generator> <item> <guid>https://reprap.org/forum/read.php?1,352813,682622#msg-682622</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,682622#msg-682622</link> <description><![CDATA[ Check this [<a href="http://www.thingiverse.com/thing:1199870" target="_blank" rel="nofollow">www.thingiverse.com</a>]<br /><br />I like this one better [<a href="http://www.thingiverse.com/thing:380987" target="_blank" rel="nofollow">www.thingiverse.com</a>]]]></description> <dc:creator>Thanos_of_MW</dc:creator> <category>General</category> <pubDate>Wed, 29 Jun 2016 12:39:18 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,680790#msg-680790</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,680790#msg-680790</link> <description><![CDATA[ hers is something I received in e-mail<br /><br />[<a href="http://preciousplastic.com/en/videos/build/shredder/" target="_blank" rel="nofollow">preciousplastic.com</a>]<br /><br /> I hoe this can help]]></description> <dc:creator>Juan</dc:creator> <category>General</category> <pubDate>Mon, 27 Jun 2016 13:42:18 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378288#msg-378288</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378288#msg-378288</link> <description><![CDATA[ The "Monster"<br />[<a href="https://www.youtube.com/watch?v=Aja7gcgRMJU" target="_blank" rel="nofollow">www.youtube.com</a>]]]></description> <dc:creator>A2</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 23:03:21 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378283#msg-378283</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378283#msg-378283</link> <description><![CDATA[ <blockquote class="bbcode"><div><small>Quote<br /></small><strong>A2</strong><br />You could experiment with the compost shredder, I would scale it down, and for the cutting edges try using the head of a Phillips screw. File/grind the face flat until the edge is sharp. I would also add an angle to it to give it a shearing property.<br /><br /><b>Compost shredder</b><br />[<a href="http://www.thingiverse.com/thing:356580" target="_blank" rel="nofollow">www.thingiverse.com</a>]</div></blockquote><br />If you look though, the compost shredder is based directly on the model that the Filamaker guy created and put out there for free. Hell his shredder can destroy hard drives.]]></description> <dc:creator>Iceman086</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 22:37:23 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378280#msg-378280</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378280#msg-378280</link> <description><![CDATA[ A more efficient method was found by using a Staples(R) brand office shredder which was designed for the shredding of credit cards and compact discs. This proved to be much more time and energy efficient and avoided the use of water. A used shredder was found at a local Value Village for $24.99.<br />[<a href="http://www.appropedia.org/Waste_plastic_extruder#Plastic_Grinding" target="_blank" rel="nofollow">www.appropedia.org</a>]<br /><br /><b>RecycleBot v2.2, Michigan Tech.</b><br />[<a href="http://www.thingiverse.com/thing:12948" target="_blank" rel="nofollow">www.thingiverse.com</a>]<br /><br /><br />You could experiment with the compost shredder, I would scale it down, and for the cutting edges try using the head of a Phillips screw. File/grind the face flat until the edge is sharp. I would also add an angle to it to give it a shearing property.<br /><br /><b>Compost shredder</b><br />[<a href="http://www.thingiverse.com/thing:356580" target="_blank" rel="nofollow">www.thingiverse.com</a>]]]></description> <dc:creator>A2</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 22:31:27 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378266#msg-378266</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378266#msg-378266</link> <description><![CDATA[ Given the comments re degradation through melting and my own experience with this, I'm not convinced the blender route is any good. I got a relatively small percentage of shards at 5mm or lower after melting, freezing and shredding. Getting the remainder of the plastic to the appropriate size would impart more heat (through the action of the blender) and degrade the PLA even further.<br /><br />The filamaker shredder looks like the answer. It seems to be a scaled down version of industrial machines like <a href="https://www.youtube.com/watch?v=O17-eau4WyU" target="_blank" rel="nofollow">this one</a>. Anyone up for designing an alternative? The parts look difficult to source, although the blades seem readily available from China (<a href="http://uk.alibaba.com/trading-search?CatId=147101&Country=&SearchText=shredder+blades&IndexArea=product_en" target="_blank" rel="nofollow">alibaba.com</a>)]]></description> <dc:creator>3dkarma</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 20:44:51 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378252#msg-378252</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378252#msg-378252</link> <description><![CDATA[ For some reason his site was hiding from my initial search.<br /><br />Here is the site: [<a href="http://filamaker.eu/" target="_blank" rel="nofollow">filamaker.eu</a>]<br /><br />You can also find the plans for the shredder on GrabCAD: [<a href="http://grabcad.com/library/mini-shredder--1" target="_blank" rel="nofollow">grabcad.com</a>]<br /><br />He also has a larger one that he made recently that you can likely enlarge the mini to become.]]></description> <dc:creator>Iceman086</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 19:41:24 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378242#msg-378242</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378242#msg-378242</link> <description><![CDATA[ Wow that looks pretty awesome. But 1200€ for a kit.]]></description> <dc:creator>Dejay</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 18:56:30 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378235#msg-378235</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378235#msg-378235</link> <description><![CDATA[ You need to freeze the prints before you chop them up because it helps to preserve the chemical bonds of the plastic.<br /><br />Melting the prints down then chopping them up in a blender degrades the plastic further than it would if you simply freezed the parts then shredded them. You need a sheering action to properly cut the parts up. Look at ANY other device that industrially created a granulated material from a larger object. It sheers the original object.<br /><br />Anything other than something similar to the link below is a waste of time. Believe me, I have done the blender method and looked into the degradation of plastic (especially PLA) over time when recycled. It needs to be frozen, sheered then remade into filament.<br /><br />[<a href="http://www.thingiverse.com/thing:17438" target="_blank" rel="nofollow">www.thingiverse.com</a>]]]></description> <dc:creator>Iceman086</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 18:31:12 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378230#msg-378230</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378230#msg-378230</link> <description><![CDATA[ Id be interested in sourcing a crusher. I wonder if something like this <div id="div_be226718f2cc0e5fecacb7d665c03d4c" class="mod_embed_images_extended" style="width:261px"> <div id="imagediv_be226718f2cc0e5fecacb7d665c03d4c" class="mod_embed_images_image" style="width:261px; height:400px"> <a href="http://www.getreidemuehlen.de/images/komo/flicfloc/flicfloc-komo.jpg"> <img src="/forum/thumbcache/024/de8/5ab/54f/b4b/9f5/430/0be/769/c2f/a6_800x400.png" width="261" height="400" id="image_be226718f2cc0e5fecacb7d665c03d4c" alt="flicfloc-komo.jpg" title="flicfloc-komo.jpg"/> </a> </div> <div class="mod_embed_images_info " id="info_be226718f2cc0e5fecacb7d665c03d4c" style="display:block"> <a id="link_be226718f2cc0e5fecacb7d665c03d4c" href="http://www.getreidemuehlen.de/images/komo/flicfloc/flicfloc-komo.jpg">flicfloc-komo.jpg</a> </div> </div> <script type="text/javascript">mod_embed_images_loadimage('be226718f2cc0e5fecacb7d665c03d4c', '/forum/thumbcache/024/de8/5ab/54f/b4b/9f5/430/0be/769/c2f/a6_800x400.png', 'http://www.getreidemuehlen.de/images/komo/flicfloc/flicfloc-komo.jpg', 'https://reprap.org/forum/addon.php?1,module=embed_images,check_scaling=1,url=http%3A%2F%2Fwww.getreidemuehlen.de%2Fimages%2Fkomo%2Fflicfloc%2Fflicfloc-komo.jpg', '', 378230, 800, 400, 'Loading image ...', false);</script> could be modified to crush the melted pieces into manageable bits.<br/>]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 18:15:27 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378188#msg-378188</guid> <title>Re: Wiki page made</title> <link>https://reprap.org/forum/read.php?1,352813,378188#msg-378188</link> <description><![CDATA[ Just a small thought, I read somewhere that plastics degrade a bit each time you melt it. So shredding it without melting might be better.]]></description> <dc:creator>Dejay</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 16:13:38 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,378012#msg-378012</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,378012#msg-378012</link> <description><![CDATA[ I have multiple bags with mixed color PLA and ABS separates from plastic type. Been thinking for a while what to do with it, but now I know!<br /><br />Haha, we should set up a group to design a plastic crusher! In two weeks I'm having holidays, so I can attempt something.]]></description> <dc:creator>Ohmarinus</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 08:22:55 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,377965#msg-377965</guid> <title>Wiki page made</title> <link>https://reprap.org/forum/read.php?1,352813,377965#msg-377965</link> <description><![CDATA[ Just to make sure this excellent work doesn't get lost, I created a wiki page: [<a href="http://reprap.org/wiki/Plastic_Shredder_using_Kitchen_Blender" target="_blank" rel="nofollow">reprap.org</a>]]]></description> <dc:creator>Traumflug</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 06:09:09 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,377892#msg-377892</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,377892#msg-377892</link> <description><![CDATA[ Maybe something like a big rotating cheese grater? So that it chips away at big chunks and everything that falls through would be small enough.]]></description> <dc:creator>Dejay</dc:creator> <category>General</category> <pubDate>Fri, 04 Jul 2014 02:51:44 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,377847#msg-377847</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,377847#msg-377847</link> <description><![CDATA[ Let me introduce you to my lil' friend, BFH:<br />[<a href="http://www.bartcop.com/jpg/012ham.jpg" target="_blank" rel="nofollow">www.bartcop.com</a>]<br /><br />That ought to make the bigger pieces suitable smaller for the blender ;)<br />Just put in a extra strong bag so you don't get shrapnel everywhere ... and oh yeah probably wearing protective eye wear is a good idea too<br /><br />Now getting from there to 5mm pieces more reliably than a blender...<br /><br />Too much manual labor still.]]></description> <dc:creator>PulsedMedia</dc:creator> <category>General</category> <pubDate>Thu, 03 Jul 2014 20:12:06 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,354818#msg-354818</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,354818#msg-354818</link> <description><![CDATA[ For best results, 5mm or smaller. You could probably feed some 7.5mm pieces, but if the average feed size gets too large, it will start to have inconsistent filament diameter because melt pressure is changing too much.]]></description> <dc:creator>greenman100</dc:creator> <category>General</category> <pubDate>Tue, 13 May 2014 19:55:17 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,354771#msg-354771</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,354771#msg-354771</link> <description><![CDATA[ What's the largest size pieces a filastruder will take?<br /><br />I printed out a series of sieves at 5mm, 7.5mm and 10mm and sorted the shards, to give you an idea of how it comes out. The larger pieces (10mm and above) have been returned to the freezer for re-processing.<br /><br />[attachment 32749 DSC_0053.jpg]]]></description> <dc:creator>3dkarma</dc:creator> <category>General</category> <pubDate>Tue, 13 May 2014 17:31:51 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,354373#msg-354373</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,354373#msg-354373</link> <description><![CDATA[ That looks better. I have keep my eyes open for a glass case. <br /><br />Do you think you can get the pieces a bit smaller? Half of the pieces are probably to big for the Filastruder.]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Tue, 13 May 2014 02:20:50 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,354288#msg-354288</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,354288#msg-354288</link> <description><![CDATA[ GBP £15 blender from the supermarket, although it does have a glass jug. TBH, best blender I've ever had. Crunches ice like a champ. Luckily they had more in stock so I bought another and used the old one to do this test.<br /><br />I melted PLA down into a thin pool at about 220 Celsius.<br /><br />[attachment 32690 DSC_0047.jpg]<br />[attachment 32691 DSC_0048.jpg]<br />[attachment 32692 DSC_0049.jpg]<br />[attachment 32693 DSC_0051.jpg]<br />[attachment 32694 DSC_0052.jpg]]]></description> <dc:creator>3dkarma</dc:creator> <category>General</category> <pubDate>Mon, 12 May 2014 17:42:04 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,354096#msg-354096</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,354096#msg-354096</link> <description><![CDATA[ What kind of blender did you use?<br /><br />I just tried it and f**ked up my cheap blender :D I think you need a more expensive one with a glass container and a big sheet with lots of time to melt the plastic as thin as possible.<br /><br />Pics: [<a href="http://printnewworlds.blogspot.nl/2014/05/recycling-test.html" target="_blank" rel="nofollow">printnewworlds.blogspot.nl</a>]]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Mon, 12 May 2014 08:08:57 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,353960#msg-353960</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,353960#msg-353960</link> <description><![CDATA[ That could work. I thought about building a low heat furnace but this sounds much easier. If I melt enough plastic that I get a 1-2mm sheet of plastic the blender could handle it.]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Mon, 12 May 2014 01:07:47 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,353825#msg-353825</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,353825#msg-353825</link> <description><![CDATA[ Stick your plastic in the oven in a baking tray covered with non-stick baking paper at a temperature appropriate to melting it. Melt it down to a nice thin pool, take it out and wait for it to cool. Stick it in the freezer and wait for it to freeze, then break it up into smaller manageable pieces by hand (use gloves - you'll get shards that may cut your hands). Finally, stick the smaller frozen pieces in the blender.<br /><br />I've tried it and had reasonable success using a cheap no-name blender. I'll post the photos once I find them.]]></description> <dc:creator>3dkarma</dc:creator> <category>General</category> <pubDate>Sun, 11 May 2014 16:25:41 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,353295#msg-353295</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,353295#msg-353295</link> <description><![CDATA[ The town where I live runs a recycling center at the highway department garage, where residents drop off paper, glass, and plastic into big dumpsters and the town pays to have it hauled off and recycled.<br /><br />The town has a wood chipper parked at the highway department garage, that gets used to turn fallen trees into mulch.<br /><br />Me thinks that I'm starting to see a business opportunity here..... :D]]></description> <dc:creator>vreihen</dc:creator> <category>General</category> <pubDate>Sat, 10 May 2014 09:19:34 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,353175#msg-353175</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,353175#msg-353175</link> <description><![CDATA[ Hm I dont believe that would work. The mechanism is a spiral/auger and the crushing action happens if the meat hits a sieve, so one would need an extraordinary amount of force, pushing a solid plastic part though.<br /><br />However a conic auger without sieve would probably do the trick as well. It would start big to get the bigger parts and suppress the continuously, but that would be a custom job as well.]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Sat, 10 May 2014 01:55:16 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,353156#msg-353156</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,353156#msg-353156</link> <description><![CDATA[ How about one of those cast iron things people used to use for mincing meat?]]></description> <dc:creator>waitaki</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 23:43:04 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,352998#msg-352998</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,352998#msg-352998</link> <description><![CDATA[ Supposedly the blender will work if the plastic is extremely frozen. If you drop it in a cooler with some dry ice for a while, it should become brittle enough for the blender to break it. Better to try it out with a cheap thrift store blender at first.]]></description> <dc:creator>IanJohnson</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 14:38:24 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,352871#msg-352871</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,352871#msg-352871</link> <description><![CDATA[ Yeah thought of that :D but for 600 and up i can pay a metalworker^^<br /><br />My homeblender managed only to get through 4-5 layer thick pieces everything bigger was violently kicked around and came out with only a few scratches.]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 10:27:48 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,352848#msg-352848</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,352848#msg-352848</link> <description><![CDATA[ Wow, I never though of using a blender. That would actually work.]]></description> <dc:creator>gmh39</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 09:43:00 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,352836#msg-352836</guid> <title>Re: Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,352836#msg-352836</link> <description><![CDATA[ <blockquote class="bbcode"><div><small>Quote<br /></small><strong>sungod3k</strong><br />My household blender is not nearly powerful enough for this job</div></blockquote><br />You need a <a href="http://www.willitblend.com/" target="_blank" rel="nofollow">Blendtec Blender</a>.]]></description> <dc:creator>cdru</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 09:15:31 -0400</pubDate> </item> <item> <guid>https://reprap.org/forum/read.php?1,352813,352813#msg-352813</guid> <title>Affordable plastic shredder</title> <link>https://reprap.org/forum/read.php?1,352813,352813#msg-352813</link> <description><![CDATA[ Since I got my filastruder running I´m looking for a plastic shredder to also use the 40$/kilo print scrap together with fresh pellets.<br /><br />My household blender is not nearly powerful enough for this job and the only two alternatives the 400$ shredder from filabot and a set of plans from thingyverse are too expensive.<br /><br />Therefore my question has someone ever seen a mill/shredder/blender or other construction which would be powerful enough to crush solidly printed parts?<br /><br />Cheers]]></description> <dc:creator>sungod3k</dc:creator> <category>General</category> <pubDate>Fri, 09 May 2014 08:30:47 -0400</pubDate> </item> </channel></rss> If you would like to create a banner that links to this page (i.e. this validation result), do the following:
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