Search found 23 matches
- Sat Jan 26, 2013 4:10 am
- Forum: Techniques and Tools
- Topic: devit more likely with spring green?
- Replies: 11
- Views: 14604
Re: devit more likely with spring green?
However...I know people successfully use (and love) borax sprays and clear powder for devit prevention/concealing, but I'm with Stephen; they're just as likely to cause issues as to fix them. The better plan is to figure out what's going on with the glass/schedule/cleaning processes to cause the un...
- Thu Nov 01, 2012 8:00 pm
- Forum: Techniques and Tools
- Topic: Expandable drums
- Replies: 17
- Views: 28560
Re: Expandable drums
Hi Al, that is the same arbor that I use, and I use a similar belt tensioning system. I opted out of the variable speed, which would have at least doubled my investment. I learned a lot about clearances for my large pieces and will be redesigning the mounting system. I just bolted everything to a ve...
- Thu Nov 01, 2012 4:24 pm
- Forum: Techniques and Tools
- Topic: Expandable drums
- Replies: 17
- Views: 28560
Re: Expandable drums
I made my own "lathe" using parts I got from Covington (spindle), motor and mounts from Grainger, stuff I had around, and expandable drum from HIS. It was an 8" and was in the $75-$80 range. I use belts from HIS. It was pretty easy to build and works like a champ. I just drip water fr...
- Wed Oct 17, 2012 7:21 pm
- Forum: Techniques and Tools
- Topic: Burn out the wax
- Replies: 10
- Views: 19010
Re: Burn out the wax
If you've still got wax in the mold after you've been steaming awhile, remove the mold and fill it with boiling water. Let it sit for a couple of minutes. The wax left in the mold will melt and rise to the top. Skim it off and pour out the water. I recently learned a nice extension to this techniqu...
- Fri Oct 05, 2012 3:27 pm
- Forum: Kiln Casting
- Topic: US equivalent for Keramicast
- Replies: 9
- Views: 18347
Re: US equivalent for Keramicast
A quick Google search reveals that "Keramicast" is manufactured by Saint-Gobain. Here a link to the physical properties of Kermicast . The site says "Keramicast is a formulated plaster used in the ceramics industry to produce working moulds for the slip casting of tableware. It is als...
- Thu Sep 06, 2012 5:48 pm
- Forum: Techniques and Tools
- Topic: burning off metals
- Replies: 6
- Views: 9920
Re: burning off metals
In a word - YES, I think you are wasting your time. I doubt that heating on a grill will cause the chrome plating to come off. I know of some home remedies that MIGHT work. Your best bet is sand blasting. That is the most sure fire way I can think of. There are other "old wive's tales" tha...
- Sun Sep 02, 2012 10:06 am
- Forum: Kiln Casting
- Topic: Frit Tinting and Bubble Elimination
- Replies: 3
- Views: 7574
Frit Tinting and Bubble Elimination
I'm trying to do some frit tinting by using frit and powder. I've run a number of tests and really like what I'm getting in terms of the color range. What I don't like, is the bubbles I'm still dealing with. I use Bullseye medium clear frit and various powders. The mixing of the powder with the clea...
- Tue Aug 28, 2012 10:09 pm
- Forum: Newcomer Forum
- Topic: What grit do you use in tumbler to obtain "seaglass" finish?
- Replies: 10
- Views: 23538
Re: What grit do you use in tumbler to obtain "seaglass" fin
I've used both 120 and 220 loose grit in my small yard sale rotary rock tumbler I got for $5. It's belt was broken but it came with a replacement belt! I put about a pound of odds and ends of cut Spectrum or Bullseye sheet glass. I just randomly cut it up into 1"-2"-ish shapes. I then thro...
- Wed Aug 08, 2012 8:04 pm
- Forum: Techniques and Tools
- Topic: 'OTHER' MEANS OF POLISHING GLASS
- Replies: 12
- Views: 19573
Re: 'OTHER' MEANS OF POLISHING GLASS
I guess I posted this and the link before we lost the archives - what a loss. Anyway, no shameless plug but here is all the details on my blog . I use the " Clean Shield® GEL - Shower, Tub & Tile Protectant". I've never found it locally, but you can get it from their website. As Havi s...
- Wed Aug 08, 2012 6:33 pm
- Forum: Techniques and Tools
- Topic: how to create a flat bottom on the slump with a ball mould?
- Replies: 22
- Views: 36192
Re: how to create a flat bottom on the slump with a ball mou
Another option - and one I use for my glass marbles, ordinary O-rings that you get at the hardware or automotive store. I use half-inch black or clear rings to keep large 3+ inch diameter marbles from rolling around. I was at an art fair a week or so ago, and everyone was amazed and that solution. I...
- Tue Aug 07, 2012 7:04 pm
- Forum: Techniques and Tools
- Topic: Firing Schedule
- Replies: 3
- Views: 5824
Re: Firing Schedule
Will you be firing vertically or horizontally? If you fill it to 11" - that is a heck of large casting. Even laying down and damming the ends would be 6" thick. I don't have my copy of Stone right near me but the bigger killer is the slow drop in temperature which amounts to something like...
- Tue Aug 07, 2012 7:01 pm
- Forum: Techniques and Tools
- Topic: 'OTHER' MEANS OF POLISHING GLASS
- Replies: 12
- Views: 19573
Re: 'OTHER' MEANS OF POLISHING GLASS
It's actually in my signature right below my postsHavi wrote:Jeff,
Can you please post the link to your blog, [where you mentined this staff]
so that I wo'nt have to search for it and just keep it with me???
I'd be more than grateful!
Havi
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- Tue Aug 07, 2012 4:08 pm
- Forum: Techniques and Tools
- Topic: 'OTHER' MEANS OF POLISHING GLASS
- Replies: 12
- Views: 19573
Re: 'OTHER' MEANS OF POLISHING GLASS
Yes, that was my experience here in the U.S. as well. 3 tubes might be a lifetime supply.Havi wrote:the shipment cost me much more than the tubes...Havi
- Tue Aug 07, 2012 2:12 pm
- Forum: Techniques and Tools
- Topic: 'OTHER' MEANS OF POLISHING GLASS
- Replies: 12
- Views: 19573
Re: 'OTHER' MEANS OF POLISHING GLASS
Hi Havi, I use the "Clean Shield" approach - but this is only for sandblasted finishes - it really does make a difference. I've polished several large pieces both flat and rounded this way. I love the satiny finish it leaves. It is a little hard to come by - I posted about it on my blog a ...
- Tue Aug 07, 2012 2:04 pm
- Forum: Techniques and Tools
- Topic: how to create a flat bottom on the slump with a ball mould?
- Replies: 22
- Views: 36192
Re: how to create a flat bottom on the slump with a ball mou
And now for something completely different... I have a smaller version of this mold (mould for the rest of the English speaking world). Rather than deal with it in the mold, I do a very simple coldworking exercise after the slumping. A small amount of 80-100 grit and a few drops of water on a flat g...
- Wed Jul 04, 2012 9:22 am
- Forum: Techniques and Tools
- Topic: Polishing with a sandblaster
- Replies: 20
- Views: 34349
Re: Polishing with a sandblaster
I've gotten several private messages about the "tub and shower gel" that I used for providing a nice sheen on sandblasted pieces. It's a shame that the archives got corrupted - there was so much good info there. However, I did write an entry in my blog on this several years ago. http://gla...
- Wed Jun 27, 2012 7:29 pm
- Forum: Techniques and Tools
- Topic: Flat Lap Disk Question
- Replies: 3
- Views: 6388
Re: Flat Lap Disk Question
might too much water be getting under the disc. Even if magnetic-backed, I've seen cases where too much water on the head will prevent the disc from firmly seating. Then the spinning forces (never sure which one any longer) throw the disc. I would check, as Cynthia stated, the cleanliness of the hea...
- Wed Jun 27, 2012 3:47 pm
- Forum: Techniques and Tools
- Topic: Sandstone disc for flat lap?
- Replies: 10
- Views: 15825
Re: Sandstone disc for flat lap?
Harcuba, and others, use the wheels in a lathe, i.e. spinning vertically. It is really hard to source these wheels now. The sandstone ones need to be re-profiled every few minutes. They do wear away. The reason for dressing/profiling is the pores get filled with glass waste slurry and stops the cutt...
- Wed Jun 27, 2012 3:42 pm
- Forum: Techniques and Tools
- Topic: Polishing with a sandblaster
- Replies: 20
- Views: 34349
Re: Polishing with a sandblaster
Hi, I really think it has to do with the costs of the medium. I think it would be great, if one had the space, to have a couple of cabinets, one with a course grit and one with fine. I get enough dust with the 220 grit, I suspect that 400-600 would just make a big dust mess. I get a decent finish wi...
- Sat Jun 23, 2012 2:44 pm
- Forum: Techniques and Tools
- Topic: Glow in the Dark Powder
- Replies: 5
- Views: 8985
Re: Glow in the Dark Powder
I did some fusing tests with the powder a while ago. They are out in a box somewhere, and I have any pictures of them glowing, just in normal light. I used a dark transparent base layer, drew a pattern with the glow powder on top of that base layer, and capped it with a clear layer. I cut one apart ...