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by Robert Howle
Fri Nov 09, 2018 10:45 pm
Forum: General Discussion
Topic: Back of my model
Replies: 5
Views: 100

Re: Back of my model

I would print "snap to floor" make sure back and disc are all planar. If the object is very thick it can suffer from over cure and some items can release from the build table. The red disc are to keep the print on the build table. When printing snap to floor and the item is over 1.5mm in t...
by Robert Howle
Wed Nov 07, 2018 12:03 pm
Forum: Official News and Updates
Topic: Introducing Surface Finish and Queue Software Features for the Core Series & B9Create
Replies: 5
Views: 190

Re: Introducing Surface Finish and Queue Software Features for the Core Series & B9Create

Slicing times are quite a bit longer and saving is longer (larger files). Print times remain the same. Choose what ever slice thickness is available. Recommended or other.

Robert Howle
by Robert Howle
Tue Oct 23, 2018 9:11 pm
Forum: B9R-3-Emerald
Topic: Using B9R Emerald at printer Rapidshape S30L
Replies: 1
Views: 93

Re: Using B9R Emerald at printer Rapidshape S30L

You need to contact others that use your machine and see if any of them are using the resin.

Robert Howle
by Robert Howle
Tue Oct 23, 2018 9:10 pm
Forum: General
Topic: Tethon porcelain resin
Replies: 16
Views: 2861

Re: Tethon porcelain resin

Which Robert?

Robert Howle
by Robert Howle
Wed Oct 17, 2018 6:20 pm
Forum: General Discussion
Topic: Pores in white gold 18k casting (with vacuum) see the images
Replies: 3
Views: 146

Re: Pores in white gold 18k casting (with vacuum) see the images

Agree with those above and I have my flask temp/oven temp at 950 F for casting.

Robert Howle
by Robert Howle
Tue Oct 16, 2018 10:19 am
Forum: General Discussion
Topic: b9 creator ver 1.2
Replies: 14
Views: 257

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: 257

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: 119

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: 572

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: 16
Views: 2861

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: 300

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: 16
Views: 2861

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: 572

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: 172

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: 572

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: 572

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: 572

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: 464

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: 464

Re: VAT, PDMS and other annoyances

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

Robert Howle

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