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by Robert Howle
Mon Sep 10, 2018 2:38 pm
Forum: General Discussion
Topic: VAT, PDMS and other annoyances
Replies: 8
Views: 1035

Re: VAT, PDMS and other annoyances

How much material are u mixing and pouring? Sounds like not bonding to surface.

Robert Howle
by Robert Howle
Mon Sep 10, 2018 12:30 am
Forum: General Discussion
Topic: VAT, PDMS and other annoyances
Replies: 8
Views: 1035

Re: VAT, PDMS and other annoyances

Do not use dynamic vat positioning. If your PDMS is lifting then I would like to see a screen capture of your layout with supports on a typical model u are trying to print. There should be no vertical force on the PDMS as the vat sliding motion and subsequent layer release should make that a mute po...
by Robert Howle
Sun Sep 09, 2018 3:35 am
Forum: General Discussion
Topic: Winner printed with B9 Core 530
Replies: 7
Views: 942

Re: Winner printed with B9 Core 530

Congrats!

Robert
by Robert Howle
Sun Sep 09, 2018 3:34 am
Forum: General Discussion
Topic: VAT, PDMS and other annoyances
Replies: 8
Views: 1035

Re: VAT, PDMS and other annoyances

First, what resin are u using for printing. U should only use soap and water for initial cleaning and only ISO alcohol and micro fiber cloth for final cleaning of the vat widow. I have had some vats for over three yrs with no scratches. PDMS has to be level and fully cured. It takes 48 hrs if curing...
by Robert Howle
Fri Sep 07, 2018 4:52 am
Forum: General Discussion
Topic: Anyone in San Antonio ?
Replies: 2
Views: 382

Re: Anyone in San Antonio ?

Jacob, I can print for u and send same day. South Carolina. no charge for prints just postage.

AK will do a fine job also.

Robert
by Robert Howle
Sun Sep 02, 2018 8:49 pm
Forum: General Discussion
Topic: Resin film or residue with the prints
Replies: 5
Views: 996

Re: Resin film or residue with the prints

Only need to filter if u have particles in the vat. When u say resin 'films' what do you mean by that?

Robert Howle
by Robert Howle
Sat Sep 01, 2018 5:33 pm
Forum: B9R-3-Emerald
Topic: Cleaning the window
Replies: 1
Views: 383

Re: Cleaning the window

What machine are u using?

Robert Howle
by Robert Howle
Mon Aug 27, 2018 11:40 pm
Forum: Hardware
Topic: Need to purchase a replacement {ASAP}
Replies: 3
Views: 676

Re: Need to purchase a replacement {ASAP}

Click on the "got any questions" balloons, bottom right. Ask them.
help screen.JPG


Robert
by Robert Howle
Thu Aug 23, 2018 3:40 pm
Forum: General Discussion
Topic: Resin film or residue with the prints
Replies: 5
Views: 996

Re: Resin film or residue with the prints

You could save a ton of resin by reducing the number of supports. Most of those u don't need.

Robert Howle
by Robert Howle
Sun Aug 05, 2018 3:23 am
Forum: General Discussion
Topic: Object compressed in the Y-AXIS???
Replies: 8
Views: 657

Re: Object compressed in the Y-AXIS???

Always a great help to others when u solve a problem and post the resolution to that problem.

Thanks,

Robert Howle
by Robert Howle
Tue Jul 10, 2018 5:22 pm
Forum: B9R-3-Emerald
Topic: Emerald Resin Casting Issues
Replies: 19
Views: 2418

Re: Emerald Resin Casting Issues

It's not a minus number. It want's you to ramp at 2degrees C per minute.

Robert
by Robert Howle
Sat Jul 07, 2018 12:14 am
Forum: Hardware
Topic: Calibration Measurement Issue
Replies: 1
Views: 431

Re: Calibration Measurement Issue

Have u watched the videos on calibration of Fade, Balance, and slope?

Robert Howle
by Robert Howle
Mon Jul 02, 2018 6:32 am
Forum: B9R-3-Emerald
Topic: Emerald Resin Casting Issues
Replies: 19
Views: 2418

Re: Emerald Resin Casting Issues

If u don't have proper cure, air flow and good burnout practices, printing with yellow is not going to solve your issues.

Robert Howle
by Robert Howle
Fri Jun 29, 2018 3:38 am
Forum: B9R-3-Emerald
Topic: Emerald Resin Casting Issues
Replies: 19
Views: 2418

Re: Emerald Resin Casting Issues

Does your oven have a hole in the top to draw air in through the bottom of the oven? I don't know that u are getting cure with that lamp.

Robert Howle
by Robert Howle
Thu Jun 28, 2018 2:09 pm
Forum: General Discussion
Topic: Dirty Prints
Replies: 4
Views: 819

Re: Dirty Prints

I swirl the print in a mixture of 50/50 blue dawn and water and then put in 120 degree water (plastic container, or hot ultrasonic with just water) and ultrasonic the container for 3 to 5 min. Rinse and repeat. should have no resin to cause this. When u see no milky substance coming off the print th...
by Robert Howle
Tue Jun 26, 2018 1:26 pm
Forum: Hardware
Topic: Printing Problems
Replies: 7
Views: 1183

Re: Printing Problems

Were you able to get this resolved or do you need more help.

Robert Howle
by Robert Howle
Mon Jun 25, 2018 10:36 pm
Forum: Hardware
Topic: Printing Problems
Replies: 7
Views: 1183

Re: Printing Problems

Def do as AK says if no smudges.

https://www.b9c.com/support

Robert
by Robert Howle
Mon Jun 25, 2018 10:36 pm
Forum: Hardware
Topic: Printing Problems
Replies: 7
Views: 1183

Re: Printing Problems

Def do as AK says if no smudges.

Robert
by Robert Howle
Mon Jun 25, 2018 10:35 pm
Forum: B9R-3-Emerald
Topic: Emerald Resin Casting Issues
Replies: 19
Views: 2418

Re: Emerald Resin Casting Issues

MOst flat objects i just mold them and shoot a wax. This does depend on geometry of the piece.

Robert
by Robert Howle
Mon Jun 25, 2018 12:29 pm
Forum: Hardware
Topic: Printing Problems
Replies: 7
Views: 1183

Re: Printing Problems

Just making sure, but have you selected Emerald green on the print screen?

Robert

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