Search found 35 matches

by aengel
Fri May 03, 2019 3:32 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Triton uv curing inks for inkjet :

https://www.tritron.eu/1/produkte/marki ... chriftung/

Kao Collins uv curing inks for inkjet headquartered in Cincinnati Ohio USA

https://www.kaocollins.com/inks/uv-curable-ink/
by aengel
Tue Apr 30, 2019 1:55 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Hi Maxt : What is the reason for the dedicated "XAAR Power source" block which in other working schematics in not present. The schematic designer, Mr. M. Kamel, reviewed the many valuable posts by other YTEC3D contributors, and developed the block. Possibly Mr. Kamel will be available to freelance. ...
by aengel
Mon Apr 29, 2019 7:48 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

I appreciate the helpful and frank feedback from the many readers and contributors to this Xaar forum. Here is another schematic of a driver board to drive the Xaar printhead. The Xaar printhead is delightful! If you have a moment to eyeball this latest schematic, and provide feedback, I am grateful...
by aengel
Mon Apr 29, 2019 7:42 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Hi Macellen : Most inkjet formulations allow very small amounts of solids in their mixtures, E.G. 2% solids. Regarding your desire to use Kloroform or Acetone, you might consider diluting your test polymer or organic in Kloroform or Acetone first, and then adding Xaar approved head cleaning solution...
by aengel
Tue Oct 02, 2018 10:35 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Hi Wonko : Thanks for the great advice and the feedback. I agree with your suggestions and would like to do so. The problem is that I do not have the pinouts for these larger heads. Do you or anyone in this forum have the functional pinouts? I have already posted much of the data that I have about t...
by aengel
Tue Oct 02, 2018 5:30 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

There are additional printheads manufactured by X, F.D., R., maybe T, which can dispense higher viscosity fluids, compared to this 128 head. Some of the ceramic printing heads can dispense 50cps fluids at R.T. This may make them suitable for 3D printing, since there are uv led curing acrylates that ...
by aengel
Mon Oct 01, 2018 11:17 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Here is another schematic that I did.
schematic.jpg
schematic.jpg (122.26 KiB) Viewed 3212 times
by aengel
Fri Jun 15, 2018 7:54 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

A wide variety of low cost near visible uv led curing units, and 365 nm uv led curing units are available. Many of these low cost units are combination uv emitting leds and a power supply. I am considering cutting one up and using it on an optical microscope to measure Xaar deposited uv curing resin...
by aengel
Tue Jun 12, 2018 9:58 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Sterlitech of Auburn Washington USA, my home town, manufactures very high quality control syringe filters, in a variety of packs and pore sizes, including 50 per pack. I have usd their Made in the USA and Made in China filters and they are excellent quality. They also manufacture and distribute many...
by aengel
Sun May 20, 2018 5:17 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 287
Views: 141205

Re: Hacking the Xaar 128 printhead

Xaar authorized dealers sell a head cleaning solution / spitting solution. I will prime my new Xaar head with it. In general, the ink should be filtered using a 0.2 micron or 0.4 micron filter, teflon filter. The ink can be easily degassed using a simple vacuum chamber. I like silicone hose, preclea...