Fine-tuning & Increasing Performance of your gMax Printer

Post your own questions and topics to troubleshoot common problems with the gMax printer as well as similar printer designs.

Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby oneaday » Tue May 16, 2017 12:56 am

PianoPrint wrote:One thing that helped me reduce, and in some cases remove the ringing was to replace the Y print bed belt with a wider one. I went from the original 5mm to a 9mm GT2 belt. Now the bed moves are crisp and solid. I believe that this upgrade is a must for the heavy print bed of this gMax printer. I am vary please with the results.



Just did the same upgrade!

Feels a lot more solid, but I haven't printed with it yet, still waiting on some more upgrade parts!

IMG_3685.JPG


IMG_3686.JPG
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby PianoPrint » Wed May 31, 2017 4:35 pm

Interesting printed plate. It looks good. I guess you could print it, thus reducing some of the moving weight in compared to the metal plate. GCreate sells the plate for $25, but you have to enlarge the belt slits for the wider belt to work. I assume that you did at least a 90% infill for the print as that plate takes up quite a bit of load during prints. Check for cracks over time of usage. I be very interested to see how your prints do.

I am now in the process of changing the stepper drivers to the Stepstick TMC 2100 for smoother and quieter motion. Once I make the upgrade I will post the results.
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby varunkaul84 » Sat Jul 01, 2017 3:26 am

Thanks for the nice post keep up the good work http://www.stardusttech.in
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby PianoPrint » Tue Aug 29, 2017 10:23 pm

It has been some time since I have posted as I have been busy with work family and business.

So I have another update for the printer. While back I said that I would try the TMC2100 silent stepper drivers (Chinese version) . Well I manage to install them plus I am working on installing a Thermocouple, the MKS TFT screen and the Full graphics display together. The printer is stunningly silent.

I have everything working.


https://www.youtube.com/watch?v=K_ZwSoTiPDg&feature=youtu.be


You can see a video on YouTube with all of the above in action.
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby B.White » Tue Sep 12, 2017 11:29 pm

So to install the 9mm belt, you just have to size the 3D printer part up by 180%?
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby mosaicman » Thu Sep 14, 2017 2:33 pm

Great post. I am installing a 9mm belt and want to see if anyone would post a link to download the stl files for the related parts (zclip and back wheel assembly) that need to be printed. Thank you. Awesome stuff!
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby packers » Thu Sep 28, 2017 4:31 am

I'm having issues where some prints are great while reprinting with the same settings on the same model has given me failures.
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby hoovdini » Mon Nov 06, 2017 10:58 pm

"Make sure your belts are tight and print a “Z” clip that actually helps absorb some of the vibrations."

Pianoprint, could you elaborate on this or maybe provide a link? I've not heard of this and it sounds interesting. Thanks!
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Re: Fine-tuning & Increasing Performance of your gMax Printe

Postby packers » Thu Nov 23, 2017 7:19 am

Keep in mind the circles that you see on the surface of the print were present in the CAD model. So what you see on the model surface is the actual detail as intended. I could never imagine this type of quality when I first put the printer together. Now I am incredibly happy with the results.
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