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by Robert Howle
Tue Sep 19, 2017 3:46 am
Forum: Hardware
Topic: Test print lifting
Replies: 9
Views: 156

Re: Test print lifting

Before the new build table I used a 500 gram steel bench block (2-1/4 x 2-1/4 x 3/4) to calibrate my build table. Don't have to press down when using this. Also, when the screws are loose the table must "float" freely in the slots on the black table bracket, so that when it contacts the PD...
by Robert Howle
Tue Sep 19, 2017 3:38 am
Forum: Hardware
Topic: Test print lifting
Replies: 9
Views: 156

Re: Test print lifting

Is the closest dealer to you in Brazil? Maybe they can help u out. Just a thought.

Robert
by Robert Howle
Mon Sep 18, 2017 11:21 pm
Forum: Hardware
Topic: Test print lifting
Replies: 9
Views: 156

Re: Test print lifting

Your build table is not parallel to the PDMS. Redo the calibration on the build table.

Save yourself a lot of probs and just go ahead and order the new stainless build table and get good calibration with little effort.

It's worth every penny.

Robert Howle
by Robert Howle
Sun Sep 17, 2017 4:43 pm
Forum: Cool Stuff
Topic: 3d scanner use for making shadow bands
Replies: 2
Views: 91

Re: 3d scanner use for making shadow bands

Been modeling shadow bands using Matrix for over 10 yrs. If u have the model, because u made the engagement ring, no problem. I take three views of the ring (top, end, and through finger), scale to finger rail after trimming away the unwanted parts of the images. Then just model, just takes a little...
by Robert Howle
Sun Sep 17, 2017 4:33 pm
Forum: Hardware
Topic: got me a second hand 1.1 machine replacement needed
Replies: 10
Views: 177

Re: got me a second hand 1.1 machine replacement needed

Want to order z screw and motor? Not sure what u are asking.

It is the weekend, one of these users that has messed with upgrading the 1.1 can help u.

Robert Howle
by Robert Howle
Mon Sep 11, 2017 9:29 am
Forum: B9R-3-Emerald
Topic: sunken and fonts
Replies: 10
Views: 554

Re: sunken and fonts

Yea, that, the heavy central sprue. I do the same thing with mine. I do try to make sure there is draft on all openings and text. Take a look at a heavy class ring or similar. They are not made with straight sided text, etc.. And like i stated, they are mostly 2 part rings.

Robert
by Robert Howle
Sat Sep 09, 2017 3:23 pm
Forum: B9R-3-Emerald
Topic: sunken and fonts
Replies: 10
Views: 554

Re: sunken and fonts

Instead of fighting with this particular ring, just mold it shoot waxes and cast it. You are not going to be able to cast some of the larger heavy pieces with the breakout issues especially with the small letter with no draft in the "Porsche" text. It will be tough even in wax at that weig...
by Robert Howle
Thu Sep 07, 2017 3:49 pm
Forum: Photo Gallery
Topic: One of those "use all my stuff to make a ring"
Replies: 4
Views: 249

Re: One of those "use all my stuff to make a ring"

Yes it's hard to come up with anything that really works with all those different sized stones. I always just have to make them happy some how. Good job.

The one I did that was the third CAD model and print before she said "that's the one".

Robert Howle
by Robert Howle
Wed Sep 06, 2017 10:01 pm
Forum: Photo Gallery
Topic: One of those "use all my stuff to make a ring"
Replies: 4
Views: 249

One of those "use all my stuff to make a ring"

Everyone knows how hard it is to make something that u are happy with when the customer brings in 3 or 4 rings and wants to make one new one and use everything in the bag. Well, this might be one of the best ones I have ever done using it all. Did have a few small stones left. 14k yellow gold, diamo...
by Robert Howle
Wed Sep 06, 2017 3:40 pm
Forum: General
Topic: B9 Model Cure , longer times ?? how ?
Replies: 3
Views: 168

Re: B9 Model Cure , longer times ?? how ?

No don't worry about the 5 min timing. Many of my heavier rings with lots of small details I cure 2 or 3 times at 6 min of exposure (12 to 18 min total).

Robert Howle
by Robert Howle
Tue Sep 05, 2017 9:36 pm
Forum: General
Topic: B9 Model Cure , longer times ?? how ?
Replies: 3
Views: 168

Re: B9 Model Cure , longer times ?? how ?

If it were possible I think it would be a very bad idea. The LEDs generate a considerable amount of heat. If u mess with the electronics and something goes wrong like the fan malfunction you could be creating a fire hazard. If u have a need to cure something for an hr then it is probably not a B9 ma...
by Robert Howle
Tue Sep 05, 2017 2:24 pm
Forum: General Discussion
Topic: Short cut keys
Replies: 8
Views: 229

Re: Short cut keys

@Tim, well looks like something else I have to learn how to do. This "Old Dog" and "new tricks" is getting harder as I get older. Bday this Friday. Starting to feel the age thing.

My Best, mr tim

Robert Howle
by Robert Howle
Mon Sep 04, 2017 1:52 pm
Forum: Hardware
Topic: Replace projector d912hd
Replies: 13
Views: 452

Re: Replace projector d912hd

As I said before the only modifications are the spacer (which changes the focal length and the ability for the projector to focus more closely on the vat), the other mod is the gasket to prevent dust from getting into the lens system. I am not sure if the factory removes the uv filter or if it even ...
by Robert Howle
Mon Sep 04, 2017 11:47 am
Forum: For Sale
Topic: selling my B9 1.2 with aluminum vat
Replies: 4
Views: 233

Re: selling my B9 1.2 with aluminum vat

When u offer for sale u really should list an asking price.

Just a suggestion.

Robert Howle
by Robert Howle
Mon Sep 04, 2017 11:45 am
Forum: B9R-4-Yellow
Topic: Looking for someone to make me some prints in yellow material with 50z slices
Replies: 1
Views: 54

Re: Looking for someone to make me some prints in yellow material with 50z slices

I can offer you prints from the core or the v1.2. Sold my v1.1. Two test prints are no charge. Shipping only domestic (US only). Where are you located? Please include shipping info with files. Send files to howlere@gmail.com prefer stl are fine but must be "watertight" models. If I have to...
by Robert Howle
Sun Sep 03, 2017 12:52 am
Forum: For Sale
Topic: Selling my B9 Creator V 1.2 & VATS
Replies: 7
Views: 323

Re: Selling my B9 Creator V 1.2 & VATS

I sold my 1.1 and shipped to Australia. Don't recommend that because there is no ground shipping to a client there. I wrapped it in an old blanket (projector and feet removed. Then packed bubble wrap around that. Marked it "Do Not Drop" all over along with "Scientific Equipment" ...
by Robert Howle
Sat Sep 02, 2017 6:06 pm
Forum: Hardware
Topic: Replace projector d912hd
Replies: 13
Views: 452

Re: Replace projector d912hd

As far as I know the spacer (changes focal length) and gasket (to keep out dust) are the add on parts done at the factory. The closest dealer to you may be the two in Spain. Maybe they can assist you. Look at "Global Dealer Network".

Robert Howle
by Robert Howle
Sat Sep 02, 2017 6:04 pm
Forum: For Sale
Topic: Selling my B9 Creator V 1.2 & VATS
Replies: 7
Views: 323

Re: Selling my B9 Creator V 1.2 & VATS

It is a holiday weekend. Give it a little time. Also the "don't want to ship if I don't have to" may be hurting.

Robert Howle
by Robert Howle
Fri Sep 01, 2017 2:30 pm
Forum: Hardware
Topic: Replace projector d912hd
Replies: 13
Views: 452

Re: Replace projector d912hd

Did u try to buy the projector from B9. The ones they have are already modified for the 1.2.

Just asking.

Robert Howle
by Robert Howle
Sun Aug 27, 2017 11:38 am
Forum: General Discussion
Topic: First cast. Not great
Replies: 5
Views: 209

Re: First cast. Not great

Also, since thermocouples can be off by 50 degrees or more, bump your high end temp at least 50 degrees. You could get some kiln cones to test your oven temp.

Robert Howle

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