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by Matt
Fri Jun 09, 2017 4:22 pm
Forum: Troubleshooting
Topic: Unable to set resolution for display 2 (projector)
Replies: 9
Views: 187

Re: Unable to set resolution for display 2 (projector)

Just under the apply/cancel button should be advanced display settings which will show actual resolution etc of both screens. The slider does seem to override the resolution of the outgoing image, so increasing/decreasing the slider should change the resolution in the printer management section of t...
by Matt
Wed Jun 07, 2017 8:11 am
Forum: Hardware
Topic: Z motor skipping
Replies: 1
Views: 91

Re: Z motor skipping

If the z-motor itself seems fine, it is most likely a control board issue especially if the motor is not toggling in one direction. I've rarely seen a z-motor fail, and based on the difficulty of replacing the z-motor I would suggest a new PCB.
by Matt
Thu May 25, 2017 3:54 pm
Forum: General Discussion
Topic: Print issues.
Replies: 2
Views: 187

Re: Print issues.

Can you post some pictures? Also whenever you are having difficulties with detail in resin, it is a good idea to print off a calibration print and make sure the exposure is even across the print. Doc. for that here http://www.b9c.com/assets/media/files/documentation/b9-creator-projector-tuning-proce...
by Matt
Fri May 19, 2017 8:08 am
Forum: For Sale
Topic: FOR SALE 2ea B9 V1.2 machines for $2500 all accessories included
Replies: 19
Views: 1653

Re: FOR SALE 2ea B9 V1.2 machines for $2500 all accessories included

Locked the thread since the machines are sold.
by Matt
Mon Apr 24, 2017 1:05 pm
Forum: General Discussion
Topic: Heating resin before print
Replies: 4
Views: 323

Re: Heating resin before print

We've done a few tests here with temperature of the resin. One test we did was to put the resin in the refrigerator and then try to print with 45 degrees F resin. Still printed. Not recommended of course but just fyi ;) Viscosity seems to be the main issue below that 50-45 degree point, the resin wo...
by Matt
Fri Apr 21, 2017 3:02 pm
Forum: Hardware
Topic: Projector drifting out of focus
Replies: 5
Views: 446

Re: Projector drifting out of focus

We now add some tack between the focus ring and the projector housing to help prevent the focus ring from moving. Something like that should help if it is experiencing unwanted movement.
by Matt
Tue Apr 18, 2017 9:12 am
Forum: Troubleshooting
Topic: Printer settings have no effect.
Replies: 10
Views: 592

Re: Printer settings have no effect.

This print looks really good. If you are going after the highest detail, having the squares a little smaller will minimize any overexposure. If that is most important, then I suggest not changing any more settings and print some of your own pieces. Otherwise I would suggest increasing the MSM to 1.2...
by Matt
Fri Apr 07, 2017 1:51 pm
Forum: Troubleshooting
Topic: Calibration file print. Help me!!!
Replies: 4
Views: 350

Re: Calibration file print. Help me!!!

Looks close, a bump up to 1.5 MSM should get you there.
by Matt
Fri Apr 07, 2017 10:06 am
Forum: Troubleshooting
Topic: 12HR PRINT FAILING AT 1/2 WAY POINT
Replies: 8
Views: 539

Re: 12HR PRINT FAILING AT 1/2 WAY POINT

Is there any error message that pops up when the print freezes? Projector lights blinking? Or does it just seem to stop with no error message present.
by Matt
Mon Mar 27, 2017 8:38 am
Forum: Troubleshooting
Topic: Proper projector to back plate angle- V1.2?
Replies: 7
Views: 456

Re: Proper projector to back plate angle- V1.2?

Yes, the lens should be parallel to the PDMS surface for the most accurate prints.
by Matt
Fri Mar 24, 2017 11:54 am
Forum: Troubleshooting
Topic: Proper projector to back plate angle- V1.2?
Replies: 7
Views: 456

Re: Proper projector to back plate angle- V1.2?

The black focus ring isn't a good reference point as it has plenty of potential movement. The actual optic lens would be a better reference point but would require a smaller gauge, and you would have to be careful not to scratch the lens.
by Matt
Tue Mar 14, 2017 9:41 am
Forum: General Discussion
Topic: Malfunctioning engine x
Replies: 11
Views: 568

Re: Malfunctioning engine x

Go ahead and send an email to us at support@b9c.com there's a file I can send you with some things to check
by Matt
Fri Mar 10, 2017 8:16 am
Forum: General Discussion
Topic: More Technical details on B9CORE
Replies: 46
Views: 3761

Re: More Technical details on B9CORE

You can use anti-aliasing as much as you want, but once shining the layers through the projector you will have accurate 30 micron resolution no matter what you do, that's what you are seeing on the print.
by Matt
Fri Feb 24, 2017 11:19 am
Forum: General Discussion
Topic: projector upgrade
Replies: 12
Views: 834

Re: projector upgrade

Like Metalcaster mentioned above, it is a lot of work and most likely some cutting/grinding if you want to actually do this. You are better off to buy a used 1.2. The reason being that the D912 projector used in the 1.2 machine is a lot bigger than the projector on the 1.1, so many of the base metal...
by Matt
Thu Feb 23, 2017 9:08 am
Forum: General Discussion
Topic: calibration aspect ratios
Replies: 3
Views: 317

Re: calibration aspect ratios

No problem, made that mistake a few times myself ;)
by Matt
Mon Feb 20, 2017 2:45 pm
Forum: General Discussion
Topic: calibration aspect ratios
Replies: 3
Views: 317

Re: calibration aspect ratios

Make sure that you have the right config selected in printer management
by Matt
Fri Feb 10, 2017 3:16 pm
Forum: General Discussion
Topic: Core 530 vs. 550
Replies: 66
Views: 5321

Re: Core 530 vs. 550

The line there is not due to slicing, it is due to soley to having a 50 micron pixel size. Same artifact will be there at 30 microns, just smaller. The yellow ring shown in the other picture (this one) is flat, not curved and therefore it prints.. well.. flat, no artifact to form because there is no...
by Matt
Fri Feb 10, 2017 1:56 pm
Forum: Materials
Topic: Resins Data Sheets
Replies: 16
Views: 1433

Re: Resins Data Sheets

Like Robert is saying, If you can change the settings on the machine to essentially cure the resin with more or less energy, you are changing the properties of the piece. It may not be by much, but they will be different, which nullifies the use for that data unless you can maybe find an absolute mi...
by Matt
Wed Feb 08, 2017 3:46 pm
Forum: General Discussion
Topic: Better mesh creation settings for stl file
Replies: 13
Views: 1222

Re: Better mesh creation settings for stl file

This is a picture I like to show just to visualize the difference. The pic is talking about z-step, same can be said for x/y resolution.

3d-printer-resolution-diagram.jpg
3d-printer-resolution-diagram.jpg (21.38 KiB) Viewed 720 times


The HD projector does help. Essentially it makes more lines on a shallow curve, but each one of those lines is thinner.
by Matt
Wed Feb 08, 2017 1:51 pm
Forum: General Discussion
Topic: Core 530 vs. 550
Replies: 66
Views: 5321

Re: Core 530 vs. 550

So here are some quick photos of a print 50 microns xy, 30 micron z about 63mins total print time 60 rings on this table. IMG_4396.JPG IMG_4383.JPG The top view is a good representation of detail possible at 50 microns, consistent on each ring. In reference to AlyssaB's question, the side view is sh...

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