Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

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piercet
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby piercet » Wed Aug 24, 2016 11:22 am

Adding a volcano, you would either need a custom mount with the extruder up much further than normal, or a longer endstop target bolt and lose some Z travel. It's doable either way. The Titan is shorter than a stock Wade so you can go up from the base about the same length you lose with the Volcano.

kcchen_00
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby kcchen_00 » Wed Aug 24, 2016 11:54 am

The other option with longer nozzles is to add a shim / spacer to the hot end plate to account for the heatsink difference.

If the fan duct is a concern, here's a version with slots for the mounting screws allowing it to adjust for the hot end:
https://www.thingiverse.com/thing:1008801

marth123
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby marth123 » Wed Aug 24, 2016 8:48 pm

thanks guys, these are definitely useful

cfipilot
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby cfipilot » Thu Sep 01, 2016 8:34 pm

For those are thinking about doing the x and y axis open rail mods, the hardware (nuts and bolts, etc) from mcmaster come up to about $300 . This is because the black oxide hardware is usually sold in packs of 100. IM about to pull the trigger on buying up all the hardware, if anyone is interested in hardware packs for this mod let me know, maybe i can try to offset some of the cost.

phantomarrow06
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby phantomarrow06 » Fri Sep 16, 2016 12:58 pm

I am interested in installing the openrail mods. However I don't know which axes to start off with? Or should I install all three at the same time?

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piercet
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby piercet » Fri Sep 16, 2016 3:53 pm

phantomarrow06 wrote:I am interested in installing the openrail mods. However I don't know which axes to start off with? Or should I install all three at the same time?
X is easiest to install and build. Y involves drilling holes in a bed plate, but aside from that one fairly technical and precision demanding task, is actually easier to install overall than X. The Z axis is a pain in the ass to install and doesn't offer all that much in the way of improvements, though I do find the micrometer Z endstop variant to be very useful.

Most people start with X, see how it goes than install Y. I do reccommend installing them one at a time, as they are easier to get dialed in properly that way. They are both essentially bolt on modifications once you have them built so there is no reason you have to wait to install them both, it's just fewer variables to allign correctly.

phantomarrow06
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby phantomarrow06 » Mon Sep 19, 2016 8:11 pm

Is there a certain infill and layer resolution I should print all openrail parts at?

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piercet
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby piercet » Mon Sep 19, 2016 8:26 pm

phantomarrow06 wrote:Is there a certain infill and layer resolution I should print all openrail parts at?
85% or better for structural parts, abs or similar material., I used a 0.5mm nozzle with 0.3mm layers for the prototypes, but pretty much any nozzle and layer height should be fine.

discojon
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby discojon » Sat Oct 29, 2016 2:13 pm

I have one aluminum and one acrylic x back plate left over. $5 each shipped
20161029_154634.jpg
TAZ 5, Open rails X,Y,Z. Marlin 1.1 RC2. Mangrove dual fan, reinforced extruder mount

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piercet
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Re: Adding an Openbuilds Openrail x axis to a Lulzbot Taz 4/5

Postby piercet » Sat Oct 29, 2016 3:59 pm

discojon wrote:I have one aluminum and one acrylic x back plate left over. $5 each shipped
20161029_154634.jpg
I'll buy the aluminum one, I have a new project that needs a bracket with a larger upper flange to mount a positional encoder above a magnetic strip, and my existing version doesn't have enough meat there. That one looks like it may have enough to fit the sensor in properly. Where do you want funds sent?


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