Search found 41 matches

by aengel
Tue Oct 02, 2018 10:35 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

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: 365
Views: 1314511

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: 365
Views: 1314511

Re: Hacking the Xaar 128 printhead

Here is another schematic that I did.
schematic.jpg
schematic.jpg (122.26 KiB) Viewed 17378 times
by aengel
Fri Jun 15, 2018 7:54 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

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: 365
Views: 1314511

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: 365
Views: 1314511

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...
by aengel
Sun May 13, 2018 3:47 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

Re: Hacking the Xaar 128 printhead

Here is schedule 1. Hyperlinks to vendors of these parts was posted in an earlier forum posting.
by aengel
Sun May 13, 2018 3:45 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

Re: Hacking the Xaar 128 printhead

Here is schedule 3
by aengel
Sun May 13, 2018 3:45 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

Re: Hacking the Xaar 128 printhead

Here is a schedule.
by aengel
Sun May 13, 2018 3:36 pm
Forum: 3DP printing
Topic: Hacking the Xaar 128 printhead
Replies: 365
Views: 1314511

Re: Hacking the Xaar 128 printhead

Here is a first draft of a simple line schematic to excite the Xaar inkjet printhead.