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by charlie
Fri Dec 18, 2015 10:28 pm
Forum: Techniques and Tools
Topic: Patching a fiber board shelf
Replies: 5
Views: 3615

Re: Patching a fiber board shelf

i used the cement pad of my driveway for a large flat grinding surface.
by charlie
Wed Nov 04, 2015 11:20 pm
Forum: Techniques and Tools
Topic: relays for kilns
Replies: 28
Views: 22904

Re: relays for kilns

[quote="tbach"]When Skutt changed my controller to solid state relay, they also added a heat-sink on the front of the controller box. It was included in the cost of the conversion.[/quote]

dare we ask: what was the cost of this conversion?
by charlie
Thu Oct 22, 2015 9:57 pm
Forum: Kiln Casting
Topic: Hemp twine, cord as organic material for burnout?
Replies: 8
Views: 7319

Re: Hemp twine, cord as organic material for burnout?

plastic isn't organic? it's a hydrocarbon. organic chemistry is most anything containing of carbon.
by charlie
Thu Oct 15, 2015 10:01 pm
Forum: Newcomer Forum
Topic: Freemont Glass
Replies: 12
Views: 9222

Re: Freemont Glass

[quote="Buttercup"]It's beautiful glass. I read an article about a woman who was framing sheets and shamelessly selling them as her own glass art. I have a sheet purchased last century with a plan in mind, before I knew about COE and compatibility. Fortunately I procrastinated really compe...
by charlie
Wed Oct 14, 2015 12:09 am
Forum: Newcomer Forum
Topic: Freemont Glass
Replies: 12
Views: 9222

Re: Freemont Glass

...and if it's a mixture of colors, it might not even be compatible with itself. i had that problem with some really beautiful kokomo. it basically powdered itself on the 2nd reheat/anneal.
by charlie
Mon Aug 31, 2015 9:23 pm
Forum: Techniques and Tools
Topic: Borax or boric acid?
Replies: 2
Views: 2189

Re: Borax or boric acid?

borax: Na2B4O7

boric acid: H3BO3

they are not interchangeable and not the same.
by charlie
Sun Aug 30, 2015 1:08 pm
Forum: Techniques and Tools
Topic: Mounting glass on metal
Replies: 3
Views: 3559

Re: Mounting glass on metal

glue a wooden french cleat 1/2 to the metal using silicone. if they can use french cleats, you're good. if not, you can get a small metal plate that looks like a sawtooth for hanging pictures. you can attach that to the back of the french cleat with small screws if necessary. look in home depot in t...
by charlie
Sat Aug 29, 2015 11:01 am
Forum: Techniques and Tools
Topic: Getting cerium oxide out of small bubbles.
Replies: 5
Views: 3221

Re: Getting cerium oxide out of small bubbles.

car wash water jet
by charlie
Sat Aug 22, 2015 2:55 pm
Forum: Techniques and Tools
Topic: Removing old puddy
Replies: 2
Views: 2377

Re: Removing old puddy

putty. it's a mixture of linseed oil and whiting (calcium carbonate). the oil polymerizes, and you typically can't get it back to the liquid state without dissolving it with a solvent (more oil won't make it unpolymerize). perhaps lacquer thinner would work. if it's really dried hard, you can typica...
by charlie
Fri Jul 31, 2015 9:46 pm
Forum: Jewelry Making
Topic: ripple dichro - how to cap without bubbles?
Replies: 10
Views: 11812

Re: ripple dichro - how to cap without bubbles?

i pretty much did the same as valarie:

depending upon size, the ramp up was changeable. for small pieces it was

600 1150 30
50 1250 30
600 1420 30
by charlie
Thu Jul 30, 2015 9:45 am
Forum: Jewelry Making
Topic: ripple dichro - how to cap without bubbles?
Replies: 10
Views: 11812

Re: ripple dichro - how to cap without bubbles?

i've just capped it with clear, and fired with a long bubble squeeze. i haven't noticed trapping any bubbles at all, besides the normal champagne sized ones that are present already in the glass. i don't prefire down to flatten it either.
by charlie
Fri Jul 24, 2015 9:51 pm
Forum: Techniques and Tools
Topic: Source for 36" or Longer Zero Centering Ruler?
Replies: 7
Views: 4908

Re: Source for 36" or Longer Zero Centering Ruler?

home depot has 4' long tsquares for drywallers cheap. you might get one of those, cut off the top of the T, predrill, and etch the lines you need.
by charlie
Tue Jun 30, 2015 10:22 pm
Forum: Techniques and Tools
Topic: Potter Wheel as Flat Lap
Replies: 5
Views: 4266

Re: Potter Wheel as Flat Lap

depending upon diameter, you may not want to run a grit lap faster than that anyway. i calculated mine out to around 200 rpm for a 24" disk when i built it.
by charlie
Mon Jun 29, 2015 10:32 pm
Forum: Newcomer Forum
Topic: matte finish
Replies: 8
Views: 9410

Re: matte finish

find someone who has a blaster? a six pack on friday afternoon around 5pm at a car body shop (who will have one) will probably work wonders.
by charlie
Wed Jun 24, 2015 9:49 pm
Forum: Techniques and Tools
Topic: Mixing liquid enamels with powedrs
Replies: 19
Views: 12185

Re: Mixing liquid enamels with powedrs

[quote="Havi"][quote="Bert Weiss"]I make my own media using [color=#FF40FF]propylene glycol [/color]and [color=#FF00FF]glycerine[/color], both food grade (easy to get)[color=#BF00FF] I guess I'll have to run around in pharmacies here, to find this staff [/color] First I mix my po...
by charlie
Thu Jun 11, 2015 10:00 pm
Forum: Techniques and Tools
Topic: Loose kiln element
Replies: 2
Views: 1966

Re: Loose kiln element

heat it up with a blowtorch to cherry red, then use a snap ring pliers to pry the coil apart to make it longer. it will then go back into the groove, and you can pin it in place.

there's almost no reason to replace elements unless they're broken or very old.
by charlie
Wed Jun 10, 2015 10:47 pm
Forum: Techniques and Tools
Topic: Fusing wire between 2 sheets and then slumping
Replies: 2
Views: 2240

Re: Fusing wire between 2 sheets and then slumping

it will slump but not stretch. if the drop is too much and causes the glass to stretch, then the wires can be pulled to the surface or even out of the glass. the wires will act like a wire melt in that case.
by charlie
Wed Jun 10, 2015 10:40 pm
Forum: Techniques and Tools
Topic: PVA Dry Disc Polishing
Replies: 7
Views: 4917

Re: PVA Dry Disc Polishing

[quote="Marty"]Or the stone is much less susceptible to cracking from the heat generated by the dry process.[/quote]

i was referring to the bonding agent in the pad not breaking down and releasing the diamonds.
by charlie
Tue Jun 09, 2015 11:18 pm
Forum: Techniques and Tools
Topic: PVA Dry Disc Polishing
Replies: 7
Views: 4917

Re: PVA Dry Disc Polishing

they do countertop edging in the field with diamond pads on grinders without water all the time. they may be bonded differently, or the diamonds are in the hard rubber and aren't dislodged with use.
by charlie
Thu May 28, 2015 10:39 pm
Forum: Techniques and Tools
Topic: angle grinder without water supply?
Replies: 6
Views: 4402

Re: angle grinder without water supply?

it's not much water. i used to use a 2 gallon jug with a hole and tap in the side up high on a shelf above my wbs for this. most of the stuff you can get at home depot in the garden sprinkler aisle: drip system stuff.

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Warm Glass

2575 Old Glory Road, Suite 700
Suite 700
Clemmons, NC 27012
Phone: (336) 712 8003
Email: wg@warmglass.com