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Topic: upgrading a solidoodle 4

BIG QUESTIONS - I get such great responses from you guys I can't wait to see what you have for me on this.

I purchased a solidoodle 4 used and pretty much stock (previous owner put in a V6 and abandoned the second extruder).  I'm having trouble with mechanicals on this so I'm going to break it down and I plan on spending too much money to completely upgrade this beast.  I have a solidoodle 3 working to help with parts.

It is my hope, if I do this the way I want, is that I end up with a solidoodle with only a frame and platter that's original.

My hope is that I can make a machine that can work with those cool water soluble plastics for support.

I would like ideas for best mods that will make this a beast.  I'm going to use this to help build custom parts for things like superheros.  I've got a partner that makes the costumes and I'm to print the parts that are best done with 3d printers.

In addition I'm an engineering teacher at a low income school and I've got several teams of students that I suggested that we could build 3d printers from scratch.  I'm a big fan of the Cartesian design of a solidoodle and look to design from that.  The only big design change I plan is to use dual z screws.  This is the direction I will push my student teams, but they will ultimately make these decisions individually as teams

SD3 added E3DV6 and the Titan
still a rookie newbie, but learning.
Dreaming on building a large format from scratch

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Re: upgrading a solidoodle 4

lawsy carriages w/ new rods and linear bearings. y axis direct drive, upgraded threaded rod, printitindustries HALE heat bed. good start there

Sd4 #9080 with a glass bed. E3d chimera duel extruder. Paste extruder , duet wifi.
Lawsy carriages. linear bearings. Y axis direct drive, Kinect scanner
SD4#8188 glass bed, lawsly carriages, E3d v6, octoprint http://www.ustream.tv/channel/hotrod96z28
Filastruder/filawinder, Custom Delta 300mm x 600mm

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Re: upgrading a solidoodle 4

agree with Kronikabuse

Lawsy Carriages (printed parts)
Linear Bearings
New Hardened smooth rods (the bearings will eat the stock rods very quickly)

the Hale heatbed is AWESOME! and well worth the cost

i would suggest a bed stabilizer on the front... dual Z can be problematic in its own right

SD4 #1 & #2 - Lawsy carriages, E3D v6, Rumba controller board, mirror bed plate, X motor fan, upgraded PSU & Mica bed heater
SD4 #3 - in the works ~ Folgertech FT-5, rev 1
Printit Industries Beta Tester - Horizon H1