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by Marty
Thu May 10, 2018 4:33 pm
Forum: Techniques and Tools
Topic: Hairline 'crack'
Replies: 18
Views: 7703

Re: Hairline 'crack'

Bonnie- I hadn't understood how much difference in height you had. I'd do it at 100dph to process temp, no holds or changes on the way.
by Marty
Thu May 10, 2018 12:53 pm
Forum: Techniques and Tools
Topic: Hairline 'crack'
Replies: 18
Views: 7703

Re: Hairline 'crack'

I have issues with "120 to 350, hold 10, then 200 to 1250 hold 30"- I think it's mostly voodoo- but for glass less than 6mm thick you should be ok with that ramp. Did the glass get bonked (technical term) in any way before firing? I've healed cracks that hadn't separated by halving the ram...
by Marty
Thu May 10, 2018 8:18 am
Forum: Techniques and Tools
Topic: Hairline 'crack'
Replies: 18
Views: 7703

Re: Hairline 'crack'

Bonnie Rubinstein wrote:I noticed it ramping up- so it did anneal after. Maybe that is hopeful. But I may need to ‘disguise’ the line with some colored glass and that means re-firing. I wondered if that ensures success for healing, as well.


Why are you looking in the kiln on the way up?
by Marty
Wed Apr 25, 2018 3:20 am
Forum: Techniques and Tools
Topic: Slumping issues
Replies: 17
Views: 7927

Re: Slumping issues

Harmless hyperbole. I was thinking of some of the meaningless schedules posted here, like the 10 minute hold at 350, then a change in ramp to 500 with another small hold, and so on. Why hold (and why there) at all for a simple slump? What's going to happen? If it's faith-based, that's a valid reason...
by Marty
Mon Apr 23, 2018 4:00 am
Forum: Techniques and Tools
Topic: Loose abrasives vs. bonded(pads,etc.)
Replies: 3
Views: 2425

Re: Loose abrasives vs. bonded(pads,etc.)

I understood that any given abrasive grade contained a range; an 80 grit diamond lap pad included mesh sizes of 70 to 90, for example. Perhaps for something more exacting (like polishing lenses) a more precise grade is used?
by Marty
Sun Apr 22, 2018 3:27 pm
Forum: Techniques and Tools
Topic: Slumping issues
Replies: 17
Views: 7927

Re: Slumping issues

200 dph to 1200, hold until slumped (look at it), then drop to 900 etc. No need for elaborate holds at 1100 etc.
Each mold will fill at a different time/temp.
Trying to flatten that piece will not give you joy. I'd give it away and start on the next one.
by Marty
Mon Mar 26, 2018 10:45 pm
Forum: Techniques and Tools
Topic: Cheap vases - are they safe to fire?
Replies: 3
Views: 2372

Re: Cheap vases - are they safe to fire?

I'd be more concerned with incompatibility.
by Marty
Fri Mar 16, 2018 10:59 am
Forum: Newcomer Forum
Topic: Disposing of ground glass
Replies: 10
Views: 10088

Re: Disposing of ground glass

Don't put it down ANY drain.
by Marty
Sun Feb 25, 2018 9:40 pm
Forum: Techniques and Tools
Topic: Which properties makes blowing glass ? Engineering Cold Warm Thermoset Polymer Glass Blowing
Replies: 6
Views: 3532

Re: Which properties makes blowing glass ? Engineering Cold Warm Thermoset Polymer Glass Blowing

We haven't had acrimony on this board for a long time- I'm not sure whether I'd rather see inactivity or conflict. Mustafa- This board is not the place you're looking for, and I don't think you'd get far on craftweb either. As Brad (the owner of this board) said, we're mostly interested in fusing gl...
by Marty
Thu Jan 11, 2018 8:41 pm
Forum: Techniques and Tools
Topic: Choosing a wet tile saw
Replies: 13
Views: 7239

Re: Choosing a wet tile saw

Kerf. The width of the cut.
by Marty
Sat Jan 06, 2018 10:38 pm
Forum: Photos and Stuff
Topic: glass I'm working on
Replies: 20
Views: 14765

Re: glass I'm working on

Don- Are you taking applications for new family members?
by Marty
Thu Dec 21, 2017 6:12 pm
Forum: Techniques and Tools
Topic: Choosing a wet tile saw
Replies: 13
Views: 7239

Re: Choosing a wet tile saw

How much cutting of what sizes will you be doing? The bridge saw is not meant for or good for cutting small pieces- I'd get the regular sliding table 10" first. MK is reliable, the $300 Chinese copies are decent. If you can get a good used MK it's a great start; spend your money on the blade. L...
by Marty
Thu Dec 21, 2017 2:28 pm
Forum: Techniques and Tools
Topic: Choosing a wet tile saw
Replies: 13
Views: 7239

Re: Choosing a wet tile saw

Your needs may change- get the 10".
by Marty
Wed Dec 20, 2017 10:51 pm
Forum: Business Topics
Topic: Bullseye glass lawsuit
Replies: 7
Views: 6486

Re: Bullseye glass lawsuit

Don- I'll be happy to accept any donations of BE fusible glass (not too much yellow, please) on Bullseye's behalf and would gladly let them know of your generosity.
Actually, you could run the purchase through Fused Glass Warehouse in NH and make even more people happy.
by Marty
Wed Dec 13, 2017 7:35 pm
Forum: Business Topics
Topic: Bullseye glass lawsuit
Replies: 7
Views: 6486

Re: Bullseye glass lawsuit

Unfortunately, given the current....

sorry, couldn't help myself.
by Marty
Wed Dec 13, 2017 10:21 am
Forum: Business Topics
Topic: Bullseye glass lawsuit
Replies: 7
Views: 6486

Re: Bullseye glass lawsuit

Indeed. What does it cost to bring something like that to court? Half a million? Of course we'd all like to see the full jury circus with underdog BE triumphant (and giving free glass to loyal supporters) but I'm betting that won't happen. This cynic says that DEQ will settle, admitting no wrong, BE...
by Marty
Sun Nov 26, 2017 4:13 pm
Forum: Newcomer Forum
Topic: Mold
Replies: 1
Views: 2832

Re: Mold

Get a bigger kiln.
Buy a smaller mold.
Sand down the edges of the mold with wet/dry sandpaper so it fits in your kiln.
by Marty
Wed Oct 04, 2017 10:27 am
Forum: Techniques and Tools
Topic: broken glass
Replies: 7
Views: 5560

Re: broken glass

sure- I'll pm.
by Marty
Wed Oct 04, 2017 10:23 am
Forum: Techniques and Tools
Topic: extruding glass strands from pot (photo)
Replies: 4
Views: 3957

Re: extruding glass strands from pot (photo)

The main point is that you're having fun with this, right?
by Marty
Wed Oct 04, 2017 10:21 am
Forum: Newcomer Forum
Topic: What Happened, and Can I Fix It?
Replies: 8
Views: 8081

Re: What Happened, and Can I Fix It?

"Another possibility is that I have been combining Bullseye and Wissmach glass - both COE 90."

DON'T.

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