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by Robert Howle
Tue Oct 16, 2018 10:19 am
Forum: General Discussion
Topic: b9 creator ver 1.2
Replies: 14
Views: 87

Re: b9 creator ver 1.2

What are u showing as lamp hrs.?

Go ahead and up the MSM to 1.2 and see what it gives u. This will increase all your settings by equal amounts of 20% (exposures, etc.).

Robert Howle
by Robert Howle
Mon Oct 15, 2018 8:21 pm
Forum: General Discussion
Topic: b9 creator ver 1.2
Replies: 14
Views: 87

Re: b9 creator ver 1.2

What is your setting now? How long have your prints been taking? If u get the test print done and it's good you should not have to change any of the settings unless u change the lamp or the projector.

Robert Howle
by Robert Howle
Fri Oct 12, 2018 6:39 pm
Forum: Photo Gallery
Topic: Halloween ring Dead Tree and Onyx
Replies: 1
Views: 36

Halloween ring Dead Tree and Onyx

This is what she asked for. Onyx is 23 x 18, 14k white gold. Core 530 print with Emerald.

Halloween ring 1.jpg


Halloween ring 2.jpg


Robert Howle
by Robert Howle
Sat Sep 22, 2018 6:41 am
Forum: General
Topic: Formlabs Castable Wax Resin Settings on B9 Core
Replies: 20
Views: 453

Re: Formlabs Castable Wax Resin Settings on B9 Core

Been casting all the B9 castables since the beginning. I am now casting almost daily using Emerald Green. This may not be for everyone but based on my work and the fact that I use to heat cure prints I have now gone to this burnout. Using nothing but Ultravest Max, a broken arm casting machine, a 8 ...
by Robert Howle
Wed Sep 19, 2018 10:07 pm
Forum: General
Topic: Tethon porcelain resin
Replies: 14
Views: 2724

Re: Tethon porcelain resin

Won't hurt the vat itself but the particles may scratch the surface of the PDMS and if it does it will cause the light to be deflected or scattered and may give u a failed print. Worst case is u have to re coat the vat.

Robert Howle
by Robert Howle
Wed Sep 19, 2018 10:04 pm
Forum: General Discussion
Topic: Duravat
Replies: 4
Views: 226

Re: Duravat

If it was damaged when u got it just return it for replacement. If u damaged it then send it anyway and let then see what u did to it.

Robert Howle
by Robert Howle
Mon Sep 17, 2018 10:15 pm
Forum: General
Topic: Tethon porcelain resin
Replies: 14
Views: 2724

Re: Tethon porcelain resin

If you use the ceramic material on a Core machine and u scratch the surface of the DuraVat it will be toast. Not covered by warranty. May cost u 1k for a new vat.

Robert Howle
by Robert Howle
Fri Sep 14, 2018 9:43 pm
Forum: General
Topic: Formlabs Castable Wax Resin Settings on B9 Core
Replies: 20
Views: 453

Re: Formlabs Castable Wax Resin Settings on B9 Core

Has to be your caster. Myself and many others cast the green and yellow almost daily with great results. I am now using Ultravest Max and love the low dust and smooth surface I get. Since I cast using a 35 yr old broken arm casting "machine" (prob cost $250.00 at the time) and a small 8 x ...
by Robert Howle
Fri Sep 14, 2018 2:43 am
Forum: Official News and Updates
Topic: The Storm
Replies: 0
Views: 133

The Storm

Hope all our friends are safe. Our NC neighbors are getting some rough weather for the last few hrs. Over 275k without power, over 200 water rescues and almost 200 waiting in Newborne, NC alone. We should be getting the rain and wind by tomorrow and is expected to rain until Sunday or later. I'm in ...
by Robert Howle
Wed Sep 12, 2018 5:02 pm
Forum: General
Topic: Formlabs Castable Wax Resin Settings on B9 Core
Replies: 20
Views: 453

Re: Formlabs Castable Wax Resin Settings on B9 Core

Yes, thanks for sharing. Just wanted to give as much info as possible to our forum members.

Robert
by Robert Howle
Wed Sep 12, 2018 1:53 pm
Forum: General
Topic: Formlabs Castable Wax Resin Settings on B9 Core
Replies: 20
Views: 453

Re: Formlabs Castable Wax Resin Settings on B9 Core

Had u cast B9 Emerald or yellow before this. Are u using the same burnout as before or a different reg wax burnout? Post your burnout schedule please for the new purple stuff. All castable resins contain wax, just a question of how much. More wax equals longer print times and usually some loss of fi...
by Robert Howle
Wed Sep 12, 2018 1:23 am
Forum: General
Topic: Formlabs Castable Wax Resin Settings on B9 Core
Replies: 20
Views: 453

Re: Formlabs Castable Wax Resin Settings on B9 Core

Can u post pics of some prints with small design elements?

Robert Howle
by Robert Howle
Tue Sep 11, 2018 2:43 am
Forum: General Discussion
Topic: VAT, PDMS and other annoyances
Replies: 8
Views: 372

Re: VAT, PDMS and other annoyances

I would mix 60ml and try that. On my vats the PDMS only goes about 1/2 inch to 3/4 past the overflow point.

Robert Howle
by Robert Howle
Mon Sep 10, 2018 2:38 pm
Forum: General Discussion
Topic: VAT, PDMS and other annoyances
Replies: 8
Views: 372

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: 372

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: 343

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: 372

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: 123

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: 4
Views: 298

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: 195

Re: Cleaning the window

What machine are u using?

Robert Howle

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