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by DonMcClennen
Wed Sep 19, 2018 3:36 pm
Forum: Techniques and Tools
Topic: mold
Replies: 2
Views: 175

Re: mold

It looks like a simple job for a shop that builds custom Hot Rods. They have forming rollers and maybe even a SS source.
by DonMcClennen
Sun Aug 26, 2018 4:21 pm
Forum: Newcomer Forum
Topic: Potmelt from transparent glass
Replies: 5
Views: 554

Re: Potmelt from transparent glass

You will need to have your pot filled with at least 50% clear plus stick with lighter shades of transparent glass!
by DonMcClennen
Mon Aug 20, 2018 5:38 pm
Forum: Techniques and Tools
Topic: TaoFiber - Fiber Paper
Replies: 8
Views: 743

Re: TaoFiber - Fiber Paper

I was wondering why Marty said he can't use Thinfire on his Vermiculite shelf. I have been using Thinfire exclusively on 2 different Vermiculite shelves for 15yrs+ with no problems of any kind. It gives a very smooth surface underside (onetime use only). :D
by DonMcClennen
Sun Jun 03, 2018 5:00 pm
Forum: Business Topics
Topic: Glass/Cash Survey
Replies: 4
Views: 937

Glass/Cash Survey

In the just published "New Glass Review#39" there is quite an extensive survey of $ earnings for those in various fields involving glass eg: artists, business, industry, etc. The detailed summary report will be interesting to many here on this board. My initial take away is: this, generall...
by DonMcClennen
Wed May 09, 2018 1:54 pm
Forum: Techniques and Tools
Topic: Hairline 'crack'
Replies: 18
Views: 1629

Re: Hairline 'crack'

At what temp did you clearly see the crack? It is not going to be "Healed" (refused) if it was less than about 1350 on the downside of the firing ramp. If it started by a brick was it stuck to brick?
by DonMcClennen
Thu Apr 26, 2018 5:08 pm
Forum: Techniques and Tools
Topic: Slumping issues
Replies: 17
Views: 1810

Re: Slumping issues

You state that there was no number code on the glass. I do not recognize this as a "96" color... Because there is so much Spectrum out there that is not tested fusable I would suggest this glass is not "96".
by DonMcClennen
Fri Mar 09, 2018 5:00 pm
Forum: Kiln Casting
Topic: Whiting as texture mold
Replies: 1
Views: 663

Re: Whiting as texture mold

I have mixed whiting with water to a thick cream consistency and applied it to coated kilnshelf with a cake decorating icing sqeezebag to form tree images. Sets to a hard enough image to set 1/4" glass on top. (coat with kilnwash before placing glass on top) You should probably experiment!
by DonMcClennen
Sat Mar 03, 2018 12:36 pm
Forum: Newcomer Forum
Topic: cutting a mulite kiln shelf with a skill saw
Replies: 2
Views: 913

Re: cutting a mulite kiln shelf with a skill saw

Use a blade made for concrete or ceramics.
by DonMcClennen
Tue Feb 20, 2018 5:55 pm
Forum: Kiln Casting
Topic: Is it possible to fix a broken shelf
Replies: 1
Views: 511

Re: Is it possible to fix a broken shelf

You will not be able to repair it so it can be lifted in and out of the kiln in one piece. I suggest instead you level and assemble it (the shelf) in place in the kiln, cover with 1/8" or 1/4" fibreboard or fill cracks with Kaolin then build your glass artwork in the kiln on this assembled...
by DonMcClennen
Mon Feb 05, 2018 2:47 pm
Forum: Techniques and Tools
Topic: thicker and thinner together- ok?
Replies: 13
Views: 2165

Re: thicker and thinner together- ok?

I have hung several panels with 2 cables or chains over many years similar in size and weight you are stating. I drilled 3/16" dia. holes in 1/2" to 3/4" from each edge. Always had good results... I use the spherical diamond drills... drill holes under water.. supported on underside.....
by DonMcClennen
Sat Jan 20, 2018 9:18 pm
Forum: Techniques and Tools
Topic: Recommendations for bench grinder?
Replies: 9
Views: 1991

Re: Recommendations for bench grinder?

Buy some 60 grit belts for your WBS... it will remove a lot of glass fast!!
by DonMcClennen
Wed Jan 17, 2018 6:02 pm
Forum: Techniques and Tools
Topic: Recommendations for bench grinder?
Replies: 9
Views: 1991

Re: Recommendations for bench grinder?

Do to the water needed for grinding this is NOT a reasonable approach. I would recommend you consider a wet belt sander to expand your capabilities. With a variety of belt grits you can grind and polish perfect bowl rims (square, round, oval, etc.) plus numerous other applications. A WBS will allow ...
by DonMcClennen
Tue Dec 26, 2017 9:29 pm
Forum: Techniques and Tools
Topic: How do I full fuse keeping the original shape...
Replies: 5
Views: 1275

Re: How do I full fuse keeping the original shape...

there is also the flip and fire option... if the new square piece is placed against the shelf with the original composition inverted on top it should pretty much retain it's square shape when fused in.. then you will have to re-flip and again refire!
by DonMcClennen
Fri Dec 08, 2017 3:55 pm
Forum: Techniques and Tools
Topic: cutting dichroic
Replies: 2
Views: 938

Re: cutting dichroic

Score on the back to eliminate damaging dichro coating
by DonMcClennen
Tue Nov 28, 2017 4:17 pm
Forum: Techniques and Tools
Topic: Bullseye glass shrinkage after fusing
Replies: 3
Views: 1138

Re: Bullseye glass shrinkage after fusing

Yes that would also work if you don't have a WBS. An extra 1/2"of base glass on each of the 4 sides would be easy to score and remove.
by DonMcClennen
Mon Nov 27, 2017 2:31 pm
Forum: Techniques and Tools
Topic: Bullseye glass shrinkage after fusing
Replies: 3
Views: 1138

Re: Bullseye glass shrinkage after fusing

Shrinkage is based on volume of glass, not manufacturer... If the glass is not a uniform 2 layers thick you will get shrinkage! You have a few factors to deal with eg: top temp, top temp. hold time, amount and location of second layer design...... Your safest bet is to fire oversize and grind/polish...
by DonMcClennen
Wed Sep 27, 2017 3:18 pm
Forum: Kiln Casting
Topic: Troubleshooting
Replies: 3
Views: 2030

Re: Troubleshooting

It should not make any difference what's going on outside (rain, cold etc.) It's what's going on inside the kiln that counts! If all pieces migrated toward centre then I suggest you have some kind of vibration going on. Put just a few pieces back in and run a monitored test firing.. try to figure ou...
by DonMcClennen
Sat Sep 23, 2017 10:45 am
Forum: Techniques and Tools
Topic: edge fire polishing
Replies: 4
Views: 1994

Re: edge fire polishing

I'd guess you should be firing at a higher temp.
by DonMcClennen
Wed Sep 13, 2017 3:56 pm
Forum: Newcomer Forum
Topic: Kiln Shelf
Replies: 6
Views: 2727

Re: Kiln Shelf

First of all you don't have to dry the shelf primer between each coat. I usually do about 6 coats all at the same time alternating brushing direction each coat.. then dry (sit out in sun, or sit on top of kiln when your firing something else) Once it is dry run your dry hand over gently to reduce br...
by DonMcClennen
Thu Sep 07, 2017 10:04 am
Forum: Techniques and Tools
Topic: Should I switch to System 96?
Replies: 14
Views: 5262

Re: Should I switch to System 96?

"90" Bullseye has been the only reliable constant in the past few years. They support the art glass industry with research, competitions, publications, communication, etc. etc. I think your source is bogus!! The future of "96" is still a crap shoot!

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