Enclosure Mounting Hardware for Replicator 2

by whpthomas, published

Enclosure Mounting Hardware for Replicator 2 by whpthomas Feb 1, 2013
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I recently purchased this acrylic hood and side panels from BilbyCNC in Australia.


The hood didn't come with any mounting hardware - so I designed this set of hinges, which mount using the existing Replicator 2 socket head cap screw M6 threaded holes on the back of the printer. I also re-designed my YATH tool holder http://www.thingiverse.com/thing:38949 to work as a side panel retainer.

The hinges work very nicely, allowing the hood to be vertically self supporting when open. Internal plates are used to minimise stress on the hoods acrylic panels.

This extruder upgrade was designed using an ACIS solid in Shark FX/ViaCAD (sfx file included) so will behave well with Makerware, ReplicatorG and skeinforge. I have included STEP files that can be imported into other CAD programs.


I printed these parts with my 200 micron profile http://www.thingiverse.com/thing:39050

Infill 40%
Layer Height 0.2
Number of shells 3
Feedrate 80 mm/s
Travel Feedrate 150 mm/s
Print Temprature 230c

You will need four M6 x 20mm hex head cap screws, four M5 x 20mm countersunk bolts with Nyloc nuts and washers, and eight M3 x 10mm hex head cap screws with nuts and washers. PDF plans for the side panels are also included - however the hood is a bit too complex.

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hm - my replicator 2 is also in my office - I was wondering about the off-gassing, as while the smell the unit makes is not overpowering it is noticeable..I had thought about putting the replicator 2 unit in my garage, but this being Calgary Canada, its pretty cold 8 months of the year, so printing in below 0 temperatures likely won't work well I suspect..

I'll have to look into this as well - thanks!

As always and excellent thing. Will be linking to it from our site and adding it to the flyer with the hood ;) Thanks

What's the benefit of the hood? Better heat retention = less warping ?

The primary reason was so I could attach a small extraction fan and ducting to vent fumes out the window - the printer is in my office - and I am concerned about the long term effects of inhaling these fumes. The second reason was an unexpected bonus - it makes the printer noticeably quieter - worth it just for that.

Your printer makes fumes? I hadn't noticed. Could this be because of different PLA formulations?

According to the MSDS

"Burning produces obnoxious and toxic fumes, Aldehydes, Carbon Monoxide (CO), Carbon Dioxide (CO2)."

And my Replicator 2 is running at 230c when the max temp for PLA is 220c, so plastic smeared on the outside of the nozzle is burning, and the extruded plastic is outgassing. Also, if you run preheat and manually push PLA into the 230c heat chamber, you will see a noticeable stream of gas exiting the tip of the nozzle. It may not be a lot, but it is the prolonged exposure of the course of years that concerns me. Better to be safe than run the risk of getting cancer 20 years from now, just because people assumed it was safe.

The primary reason was to as an extraction fan and duct on the back to vent the fumes outside as the printer is in my office. The second reason was actually an unintended bonus - it makes my bot much quieter - worth it just for that!