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T MAX

by HLMAX, published

T MAX by HLMAX Aug 20, 2012

Description

A derivative of the MendelMax. It features a taller print height; better accessibility to the print bed and extruder; ample space under the bed for mounting of power supply, controller, and control panels.

The T MAX uses all the same major components as the MendelMax. If you have a MendelMax, it can be easily converted to a T MAX; or assemble a T MAX from a MendelMax extrusion and hardware kit.
The T MAX is design for use with Igus pillow block bearings, a RAMPS controller, and a common ebay 12VDC, 30A power supply.

Maximum print size X 210mm, Y 210mm and Z 210mm.

T MAX LCD & SD Control Panel: thingiverse.com/thing:29903
T MAX Spool Holder: thingiverse.com/thing:29883

Recent Comments

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Awesome desing, i am planning to build it. How long must the aluminium bars/extrusion be? thanks

Awesome design! I am making a plan to build this. Is the distance between the upper and lower frame assembly the same as in the Mendel Max? If not, what is the new measurement?

If you are using a different size or type of bearing, depending on the parameters of the bearing, many parts of the X and Z assembly may need to be changed,
Sorry, but I have no plans to adapt the T MAX to other parts that I am not using. No way to proof that the new parts will works.

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License

T MAX by HLMAX is licensed under the Creative Commons - Attribution - Share Alike license.

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Instructions

See illustrations for locations of parts. Assemble using MendelMax components and fasteners.

Special instructions:
Drill two 6mm holes (140mm apart, symmetrically from center) on the top two horizontal aluminum extrusions.
Fasten the bottom of the vertical extrusions using 40mm long, 5mm bolts and 15mm OD washers (3/16 X 1-1/2 stove bolts will also work). Don't forget to tap the holes to suit the bolts used.
Run the bolts throught the whole cross-section of the horizontal extrusions. This will add greater stength to the assembly.

The higher Z axis will require a pair of longer thread rods, 400mm.

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Comments

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Fran95 on May 3, 2014 said:

Awesome desing, i am planning to build it. How long must the aluminium bars/extrusion be? thanks

BigDaddy on Mar 4, 2013 said:

Awesome design! I am making a plan to build this. Is the distance between the upper and lower frame assembly the same as in the Mendel Max? If not, what is the new measurement?

Whizbang on Jan 7, 2013 said:

Would you mind uploading the upper and lower z in a 10mm smooth rod form please

HLMAX on Feb 4, 2013 said:

If you are using a different size or type of bearing, depending on the parameters of the bearing, many parts of the X and Z assembly may need to be changed,
Sorry, but I have no plans to adapt the T MAX to other parts that I am not using. No way to proof that the new parts will works.

brnrd on Nov 29, 2012 said:

I like the design but I don't think that the z threaded rods should be confined in 3 points: motor shaft, end and just above the coupler. Unless you have super straight threaded rods, you'll have z wobble. Its best to take out the additional constraints.

HLMAX on Nov 29, 2012 said:

 Each Z thread rod does indeed only have two restrain points, one 608 bearing at top, and the Z motor flex coupling.
Sorry about the confusion with the naming of one of the parts: Z THREAD ROD BEARING MOUNT BOTTOM. This part has only a pass through hole for the thread rod and does not mount a bearing. The part came from another printer design I was working on.

buZztiaan on Nov 24, 2012 said:

wait

what is the difference between https://fbcdn-sphotos-f-a.akam...

buZztiaan on Nov 24, 2012 said:

ah, yes they are :D cool, guess that saves me another print ;)

BritNoob on Nov 2, 2012 said:

Nice design. I'm working on a design that is on a similar path with a T/I shape but longer on the X axis using sliders. Would you have any objections if i use the same measurements for the top Z mounts along with the same height for the lower frame section? I can see there being an advantage to get a standard size for this design the same way the Mendel Prusa's and MM has.

HLMAX on Nov 2, 2012 said:

Thanks.
Use what you need. Standardization is the reason that the T MAX uses the same aluminum extrusion sizes as the MendelMax; so it can easily be made from any MendelMax kit.

moos79 on Oct 21, 2012 said:

Hi,
nice design. I'm planning on building one, instead of a MendelMax. 
I'm currently figuring out which plastic parts I have to have made, and how many of each.

Can you adapt the filenames of the stl-files, so they have the amount of copies needed included in the filename? This is the case at the MendelMax, and helps a lot.

Keep up the good work, and I'll send you a photo once I got my T Max up and running!

HLMAX on Oct 23, 2012 said:

Thanks. Looking forward to see your build.

Here is the quantity list of parts:

4X LOWER CORNER BRACKETS
4X Z COLUMN FILLETS LEFT
4X Z COLUMN FILLETS RIGHT
4X GT2 BELT CLAMP
8X ROD CLASPS
2X X ROD MOUNT BOTTOM
2X Y ROD MOUNT
2X Z THREAD ROD BEARING MOUNT BOTTOM
2X Z THREAD ROD BEARING MOUNT TOP
2X Z MOTOR MOUNT

All other parts, one each.

KazW on Oct 8, 2012 said:

Awesome design! I was wondering: What's the spacing between the threaded and smooth rod for the Z axis? (distance between the 2 inner edges)

HLMAX on Oct 15, 2012 said:

Thanks.
Distance between the Z thread rods is 370mm on center.
Distance between the 8mm smooth Z rods is 430mm on center.
30mm on center between the thread rod to its closest smooth rod.

DrJekyll on Sep 7, 2012 said:

I have a half built MendelMax that is now going to be a T MAX. This design makes more sense.

ArtApe on Aug 28, 2012 said:

Very nice design, I like that you are using igus pillow blocks.

Which extruder/ hot end would you recommed?

HLMAX on Aug 28, 2012 said:

Thanks.

I have two printers using J-Head Mk IV-B with 0.35 nozzle, and a derivative of Greg's Wade extruder+ herring bone gears. So far so good. No problems what so ever.

The3dPrinterGirl on Aug 21, 2012 said:

Hi, like the design. The nut traps on the X axis, for the Igus bearings seem a little large. Are they SAE or Metric? The parts are printing perfectly, hope to have one built by the end of the week.

Thank you

Angelica

The3dPrinterGirl on Aug 21, 2012 said:

Thank you, Are you going to post a wiki for this design?

HLMAX on Aug 21, 2012 said:

Thanks.

To be more flexible with hardware, the parts are design for the larger SAE fasteners. Mostly 4-40, 6-32, 10-24 fasteners. Metric fastener will work fine, the nut trap will be looser.

archistrong on Aug 20, 2012 said:

Very interesting design and I am thinking about giving it a go but I have a few questions firts:

1)What is the new build height. I know that this is dependent on your specific combination of build plate and hotend but what improvement were you able to see?

2)Was this designed in Alibre or Solidworks? If so, could we also get the source files (.STEP, .SAT, .SLDPRT, etc.)?

Thanks much, look
s great!

archistrong on Aug 21, 2012 said:

You rock! Thanks for getting back to us so quickly! Wouldn't at all be surprised if this becomes a very popular build!

HLMAX on Aug 21, 2012 said:

Maximum build height is 235mm.

That is assuming that the hot end extends less than 45mm below the bottom of carriage, and no portion of the extruder, 30mm above the top of the carriage, is more than 120mm wide front to back.

With most configurations, you can get the full 235mm build height.

STEP files are uploaded.

ipblythe on Aug 20, 2012 said:

Please could you ZIP up all the files, this will make it easier for those of us who do not have broadband, yes still in 2012 this is the case!

Many thanks and I want to build a T Max!

HLMAX on Aug 21, 2012 said:

Done!

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