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Printrbot Talk Forum • View topic - Z max build Height - Please Help pinpoint the config issue.

Z max build Height - Please Help pinpoint the config issue.

Talk about modifications to the printer

Z max build Height - Please Help pinpoint the config issue.

Postby xaberx » 2013-Jan-Mon-15-Jan

When I built my printrbot I chose to go with larger rods for Z. The problem I am running into is that my Z build height appears to be limited to roughly 6". I have changed the settings in Prontrface to allow for larger build heights however I still cannot print past this point. Is there a setting I can add to my Gcode to extend the Z build height to the proper size?(im using 32" threaded and smooth rods, though I am only planning on going 24" ). I have measured that the top of the X carriage is exactly 8" from the heat bed when it will not go any further. I believe this to be a setting or configuration issue as my wires are long enough and there is nothing stopping the carriage from moving higher. Please help


Thanks in advance.

Xaberx
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Z max build Height - Please Help pinpoint the config issue.

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Re: Z max build Height - Please Help pinpoint the config is

Postby artem » 2013-Jan-Mon-16-Jan

Just double checking, did you change it in Slic3r too?
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Re: Z max build Height - Please Help pinpoint the config is

Postby plexus » 2013-Jan-Mon-16-Jan

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Re: Z max build Height - Please Help pinpoint the config is

Postby extent » 2013-Jan-Tue-01-Jan

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Re: Z max build Height - Please Help pinpoint the config is

Postby plexus » 2013-Jan-Tue-09-Jan

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Re: Z max build Height - Please Help pinpoint the config is

Postby Mooselake » 2013-Jan-Wed-20-Jan

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Re: Z max build Height - Please Help pinpoint the config is

Postby scantrontb » 2013-Jan-Fri-22-Jan

because this will be a very important topic once they get the bugs worked out of the super sized mods done over at PBHQ and released to the public, i copied this topic directly over to the "PBHQ>>General" forum so they can get the full thread and answer directly, we can merge the two threads later on once it's been answered....
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Re: Z max build Height - Please Help pinpoint the config is

Postby allanonmage » 2013-Feb-Wed-22-Feb

I bought some longer rods at Lowe's to increase the Z height of my Printrbot LC. Any word on if we need to fiddle with firmware? I don't think I'd mind loading firmware, but compiling it seems hardcore...
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Started with a Printrbot LC Kit; now it's a monster as big as a mid size fridge!
Single ATX Power supply, 650 watts, relay controlled heat bed
extra Z height (3+ ft) via longer rods, but I don't use it. Yet. To reduce wobble, I'm using thing:46082 under the Printrbot.
Dual heated beds, 1 currently working; space for a 3rd
Purple gluestick on glass seems to be sticky enough to get adhesion
FB album with pics: https://www.facebook.com/media/set/?set ... ec287e8726

This was supposed to be a tool, not a series of projects... grrrrr......
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Re: Z max build Height - Please Help pinpoint the config is

Postby lwalkera » 2013-Feb-Thu-01-Feb

I made some changes to Marlin to add in M codes to change the soft limits. For those that know how to compile and load firmware you can grab it here: https://github.com/lwalkera/Marlin/tree/limitsaving For others, I'll try to get a hex file up soon.
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Re: Z max build Height - Please Help pinpoint the config is

Postby allanonmage » 2013-Feb-Thu-07-Feb

That would be great if you could do that, seems this is starting to be a popular mod. With how easy it is, you can see why.
  • 0

Started with a Printrbot LC Kit; now it's a monster as big as a mid size fridge!
Single ATX Power supply, 650 watts, relay controlled heat bed
extra Z height (3+ ft) via longer rods, but I don't use it. Yet. To reduce wobble, I'm using thing:46082 under the Printrbot.
Dual heated beds, 1 currently working; space for a 3rd
Purple gluestick on glass seems to be sticky enough to get adhesion
FB album with pics: https://www.facebook.com/media/set/?set ... ec287e8726

This was supposed to be a tool, not a series of projects... grrrrr......
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allanonmage
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Re: Z max build Height - Please Help pinpoint the config is

Postby allanonmage » 2013-Jul-Sat-21-Jul

Any chance that this setting or firmware has been made easy to implement? I just raised the height max on my LC and would like to print taller than 6" at some point.
  • 0

Started with a Printrbot LC Kit; now it's a monster as big as a mid size fridge!
Single ATX Power supply, 650 watts, relay controlled heat bed
extra Z height (3+ ft) via longer rods, but I don't use it. Yet. To reduce wobble, I'm using thing:46082 under the Printrbot.
Dual heated beds, 1 currently working; space for a 3rd
Purple gluestick on glass seems to be sticky enough to get adhesion
FB album with pics: https://www.facebook.com/media/set/?set ... ec287e8726

This was supposed to be a tool, not a series of projects... grrrrr......
User avatar
allanonmage
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Posts: 181
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Re: Z max build Height - Please Help pinpoint the config is

Postby elkniwt » 2013-Jul-Sun-15-Jul

Was there any progress on getting a hex file of the modded firmware? I went to some trouble to get an 18-inch(!) X axis on my Printrbot Simple (Beta) and am disappointed to see it only go half way across.
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Re: Z max build Height - Please Help pinpoint the config is

Postby JonS » 2013-Jul-Mon-14-Jul

I'm trying to extend the z axis on my Jr and there appears to be a 100mm firmware limit. My understanding is that the Jr has slightly different FW, so lwalkera's mod won't work.

lwalkera would you be willing to create a version for the Jr?
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- PEI print bed film

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Re: Z max build Height - Please Help pinpoint the config is

Postby SilverFingers » 2013-Jul-Thu-13-Jul

Has anyone got this working with the JR? I just extended my Z axis and it wont let me go further than 100mm
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Re: Z max build Height - Please Help pinpoint the config is

Postby JonS » 2013-Aug-Mon-09-Aug

I loaded the universal f/w yesterday and reversed the y-axis with a negative calibration. Everything is working apart from y homing which attempts to move in a positive direction.
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Printrbot Metal Plus with:

- Dual Ubis 13S metal hot ends (swapped for original Ubis metals)
- Dual Gear Head extruders
- Heated bed
- PEI print bed film

Printrbot Jr (put out to pasture).
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Re: Z max build Height - Please Help pinpoint the config is

Postby RetireeJay » 2013-Aug-Mon-12-Aug

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Printrbot Plus operational January 2013
Brass threaded rods (5/16" X 18) & nuts for Z axis
GT2 belts & pulleys
Cable chain to reduce probability of fatigue failure in wires
E3D V5 Hot End, 0.4mm nozzle, also 0.8 and 0.25 in use occasionally
PB fan mount + 40mm fan -- using printed mount adapter, not the E3D supplied fan
Injection molded extruder gears
Optical Z "endstop" (custom designed and built)
Have used many pounds of T-Glase filament. Now also doing some work with Ninjaflex SemiFlex
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Re: Z max build Height - Please Help pinpoint the config is

Postby JonS » 2013-Aug-Mon-14-Aug

Thanks! Plug reversal time it is then!

Well, that or put a 90° twist in my belt! ;-)
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Printrbot Metal Plus with:

- Dual Ubis 13S metal hot ends (swapped for original Ubis metals)
- Dual Gear Head extruders
- Heated bed
- PEI print bed film

Printrbot Jr (put out to pasture).
User avatar
JonS
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Re: Z max build Height - Please Help pinpoint the config is

Postby JonS » 2013-Aug-Tue-00-Aug

Done! I now have 7-inches of z-height! :-D
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Printrbot Metal Plus with:

- Dual Ubis 13S metal hot ends (swapped for original Ubis metals)
- Dual Gear Head extruders
- Heated bed
- PEI print bed film

Printrbot Jr (put out to pasture).
User avatar
JonS
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Re: Z max build Height - Please Help pinpoint the config is

Postby allanonmage » 2013-Dec-Wed-00-Dec

um.... I don't know where this thread went. Did the firmware get updated for the printrbot/LC?
  • 0

Started with a Printrbot LC Kit; now it's a monster as big as a mid size fridge!
Single ATX Power supply, 650 watts, relay controlled heat bed
extra Z height (3+ ft) via longer rods, but I don't use it. Yet. To reduce wobble, I'm using thing:46082 under the Printrbot.
Dual heated beds, 1 currently working; space for a 3rd
Purple gluestick on glass seems to be sticky enough to get adhesion
FB album with pics: https://www.facebook.com/media/set/?set ... ec287e8726

This was supposed to be a tool, not a series of projects... grrrrr......
User avatar
allanonmage
Layer 100 of 1234
 
Posts: 181
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Z max build Height - Please Help pinpoint the config issue.

Postby Nickies08 » 2014-Jan-Thu-23-Jan

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Printrbot Plus V2.0
Aluminum bearing blocks
Aluminum Build Plate
Robotdigg custom Nema 17 motors with 500mm T8*8 Acme Rods on Z-axis (19" of print height)
Wire extensions to accommodate extra build height
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