Kent State Glass

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@joannecarson5568 3 ай бұрын

So is the attachment and rubber bulb just something created to deal with COVID?

@fahmiazam1383 3 ай бұрын

Hi Kent, what model of machine you use? Can provide detail? Model no and machine maker.

@costume35 3 ай бұрын

hello thanks for sharing amazing video but what is the name of the dry stuff and where can i get it to buy both the silicone and plaster powder

@kentstateglass5011 3 ай бұрын

There are a number of places, I would do a search online for Pottery Plaster and Silica Flour. If you have a landscaping center nearby you might also find these materials there. You can also order pre-mixed mold material from Ransom & Randolph (www.ransom-randolph.com/glass). They sell a 50/50 Plaster/Silica mix that's comparable in price to buying/mixing yourself.

@woowoo7813 3 ай бұрын

Thanks for the awesome video!

@kentstateglass5011 3 ай бұрын

Glad you liked it!

@GameArtsCafe 4 ай бұрын

How to you know the exact measurement of glass to add to the mold? do you first full the mold with silica sand and then dump that on a scale to weigh it, plus a little extra? Sorry, I'm completely new to the concept, I received my first Kiln today and I haven't seen a process yet going through videos.

@kentstateglass5011 3 ай бұрын

If you haven't already found it you can watch our video on displacement here: kzfaq.info/get/bejne/gJqGY8uUz7DFhJs.html

@90snebula 4 ай бұрын

what would be a method to make it able to handle a mold being blown into? I'm having a hard time finding any information on making molds you can blow into that aren't metal

@kentstateglass5011 3 ай бұрын

If you're trying to do hot blow-molds the mix would be the same-1:1:1 plaster:silica:water. However, you either need to make your mold more robust (at least 2" thick) or back it up with a layer of chicken wire coated in more mold-mix. This will prevent your mold from splitting apart during the blowing process. If you're trying to make a mold that you can use several times then it's just Plaster, and you blow into it while cold. For the hot blow-mold you want to preheat the mold to at least 1050ºF before you blow into it. That will allow the glass to fill all the detail. Good luck!

@90snebula 3 ай бұрын

@@kentstateglass5011 thank you so much! I’ve made a couple that have already failed already and I will follow this to a T. I think it will work 😊

@kentstateglass5011 3 ай бұрын

Also, if you don't belong to Glassies on FB, you should try to get in. Huge community of supportive glass folk that have lots of info. Look up the Labold Method, popularized by James Labold. He has a specific way of layering his molds that works super well. I do a similar method, but make mine a lot thinner and constrain with chicken wire.

@VulcanUAV 4 ай бұрын

Thank you so much for taking the time to answer, greatly appreciated! We'll be doing some more tests, fingers crossed!

@alainabaillie7544 4 ай бұрын

Fantastic helpful videos. Would you make a video to show loading the furnace prior with raw glass ( if that is what it is called) that will be melted down?

@kentstateglass5011 3 ай бұрын

Great suggestion!

@alainabaillie7544 4 ай бұрын

This was really helpful. Thank you.

@saranoamark6360 4 ай бұрын

how long doe is take for the mold to set? i made mine outside in the cold and it never got hot, im wondering why?

@saranoamark6360 4 ай бұрын

and if the mold never heated up and still feels cold to the touch a couple hours later if this meand the mold will be subject to cracking in the kiln?

@saranoamark6360 4 ай бұрын

This is so generous! How would I calculate how much mixture to make on a flat slab that is 12"x10"x1" + the 2" of additional space for investment mixture? Thank you!

@kentstateglass5011 3 ай бұрын

I'm not sure I understand the question. Could you please elaborate? Mostly I don't calculate material volume for hand-build molds like this. If I don't have enough with the first layer, I just mix and add another layer immediately. Actually, multi-layer molds can be stronger than single-layer, so I'm OK if I don't guess right the first time.

@benschilderman2673 4 ай бұрын

Would the mold still hold up at 2000F or wil they break?

@kentstateglass5011 4 ай бұрын

Plaster off-gasses at around 1650ºF. At that point it really breaks down as is VERY fragile indeed. What do you need to go to 2000ºF for? Most castings happen at 1450-1600ºF.

@benschilderman2673 4 ай бұрын

@@kentstateglass5011I want to experiment with melting copper between layers of glass. Thats why i need to reach that high of a temperature

@SarahJHull 4 ай бұрын

What can you recommend to consider/try to get larger gathers on that second dip? My drinking cups are fairly cylindrical - but are tending towards a slightly larger sake cup size, and are fairly thin…

@kentstateglass5011 4 ай бұрын

There is something called a "Collecting Gather" where you try to "scoop" the glass out of the furnace. This is done by turning faster and sort of skimming along the surface of the glass to push a ball of glass on to the pipe. So, turn faster (and more) and exit the glass at an angle where the glass won't drip back off into the furnace. Hope this helps!

@SarahJHull 4 ай бұрын

@@kentstateglass5011 Thanks - def makes sense! Will work with that in the hot shop next week

@VulcanUAV 5 ай бұрын

Hello! Great video! Once the plaster is dry and the clay removed, how long should the mould be left to further dry before use? Does it need any kind of pre firing or heating before slumping / casting into the mould? We have tried a couple of times and both moulds have cracked on the first firing, so any tips on this would be very helpful! Thank you!

@kentstateglass5011 4 ай бұрын

What's not discussed here is the firing schedule. Predrying a mold at about 110-180ºF overnight can help a bit, but mostly molds crack for 4 reasons: 1. Not thick enough. 2" wall thickness is ideal for most castings. 2. Uneven mold thickness. As the mold dries it shrinks. You want this to happen evenly. 3. Too fast up to 1000ºF. This is the "curing" stage of the firing process. About the minimum time is 8 hrs for smaller molds. 4. Racing through the "quartz-inversion" phase. We typically program a 2-3 hr. ramp from 1000-1200ºF to ease the mold material through this point. You can find more info on the curing/firing stage of casting here: kzfaq.info/get/bejne/eNKGksx4luDHinU.html Hope this helps!

@heywilli 5 ай бұрын

No keys?

@kentstateglass5011 4 ай бұрын

This type of mold doesn't need them. The overlap of the second half acts as keys and locks the two halves together. Hope that helps!

@larrychristiwagner3537 7 ай бұрын

So they clay is still wet so it peels out? Would it help if there we no undercuts? What kind of clay. Thanks so much

@kentstateglass5011 7 ай бұрын

Yes, it's critical that water-based clay is still soft for you to remove it. You can use oil-based clay as well, but it's typically stiffer than the water-based and requires more care removing it. Minimal undercuts are helpful, but you can easily remove any clay that you can reach with a tool. That's actually the advantage of this method: since the clay is soft you don't need to completely avoid undercuts to remove the pattern from the mold.

@lembitusorra439 7 ай бұрын

Thanks for a great and very instructive video.

@kentstateglass5011 7 ай бұрын

You are welcome!

@schoolForAnts 9 ай бұрын

Excellent lesson. I’m a beginner glass blower down in Tulsa and actually work with a few of your former pupils and so far I haven’t had to do any cold working yet but I know it will be sooner than later so thank you for your video.

@kentstateglass5011 7 ай бұрын

Glad it was helpful!

@westonhuffman7908 9 ай бұрын

Well, This looks like a job suitable for anyone that can blow up a balloon.

@kentstateglass5011 7 ай бұрын

LOL! Love that! Actually, though, there's very little blowing involved in glass blowing. Much, much less effort required than blowing up a balloon.

@jeanniejohnson3975 10 ай бұрын

Why are you wearing a mask when no one else is around? Can't understand what you saying half the time.

@angelnperez3711 7 ай бұрын

Some toxins could be in there…

@kentstateglass5011 7 ай бұрын

There was someone else around: the camera operator. Because of policy at the time of COVID we both had to wear masks if we were sharing a studio. This was 2020 in the depths of the Pandemic. If you're having trouble understanding enable Closed Captioning. It's pretty accurate! Hope this helps.

@fireofenergy Жыл бұрын

Very thoughtful: safety blends into artistic. I came here just wondering what coarsely sanded glass would look like to hide my ugly home made little solar panels (sure, they'll have to be a little bit larger to make up for a little light reflected the wrong way, but they are already too large for the application). Thanks for the detail!

@kraigrichard7043 Жыл бұрын

Seedy

@CharlesBunny Жыл бұрын

Seriously underrated video set. I've been trying to avoid having to invest a lot in order to get into silicone casting. Thank you so much!

@kentstateglass5011 Жыл бұрын

Glad it helped!

@MrFiammaoscura Жыл бұрын

Is there any second part or it just end here?

@kentstateglass5011 Жыл бұрын

No Part 2 yet. This video just covers loading the kiln. Would you like to see a video of some parts of the casting process?

@paulrussellmclaughlin9600 Жыл бұрын

Great instructional video.

@kentstateglass5011 Жыл бұрын

Glad it was helpful!

@angusmurray3767 Жыл бұрын

Can't hear what you are saying. You don't need a mask to make a commentary.

@kentstateglass5011 Жыл бұрын

Agree! This was made during the pandemic when we were required to wear masks in all rooms. Also, I'm working with silica flour, so an N95 is an important safety measure. The good news is the Closed Captioning (CC) is pretty good on this. Enable that and it should help!

@Asdayasman Жыл бұрын

Another good safety layer is having the on button warded (as it is), and the off or "stop" button unwarded. Less dexterity is then required to emergency stop the machine, dexterity of which you may be in short supply whilst redirecting 10kW through the floor.

@kentstateglass5011 Жыл бұрын

Good idea! Thankfully there are redundant safety systems on our kilns. There is the safety switch which kills power at the controller and is designed to fail safe. There is also the fact that the kiln is in OFF mode when we are loading the kiln. Finally, there is fuse/breaker box on the kiln as a 100% safety measure. On our kilns that are plugged into an outlet, we can also unplug them to be even more sure. (I always do this when servicing those kilns.)

@FelicityWhiteArt Жыл бұрын

I have been wondering this and this was such a clear demonstration, thanks so much!!!

@kentstateglass5011 Жыл бұрын

Glad it was helpful!

@winkichan3201 Жыл бұрын

thank you for this so much! very clear and precise! I've been following your steps and it seems my clay was a bit dry and it is not coming off the mould easily? What methods would you recommend I do? Can I use water to wash over the mould? Thanks

@kentstateglass5011 7 ай бұрын

Sorry for the delayed reply. YES! You can absolutely used water to wash clay off the inside of your mold... if you're using water-based clay. For oil-based clay I recommend using a mold release and then compressed air to blow the clay particles off the surface.

@mdbryan9525 Жыл бұрын

2. When you are stretching the opening with the jacks it would seem like you would either open the hole or the jacks would slip out of the opening.

@mdbryan9525 Жыл бұрын

Question. Actually 2. What are you doing to the neckline with the back of the jacks

@kentstateglass5011 Жыл бұрын

If you're referring to the moment when it's still on the blowpipe, I'm straightening the neckline so it's in line with the blowpipe. That helps the body of the cup be on center.

@danisyx5804 Жыл бұрын

i'm just starting to learn but i have had an interest for years and this was a fantastic explanation, thank you.

@2timetwins Жыл бұрын

The bubble blew out very unevenly, setting you up for future problems. A marver or block should have been done before the bubble was put in. That is a given. Its an OK instructional video for a beginner glass artist, but lots of information was left unsaid.

@kentstateglass5011 Жыл бұрын

Hi! You are 100% correct, except for the fact that this is specifically a "no-touch, free-hand cup". This is not how you would usually make a cup, but is a GREAT teaching tool to force students to pay attention to Gathering, Turning, Heat, etc. Beginners often rely too much on tooling the glass, which cools it too much and slows the process down. Over-blocking/marvering also teaches students that you can just fix a bad gather with tooling, when they really need to focus on gathering and turning instead. So, thanks for the comment and if you want to see classic glassblowing you can watch this: kzfaq.info/get/bejne/atKCmrGczq7FlJs.html or this: kzfaq.info/get/bejne/qtmXZdR4qZO0dWg.html Thanks again.

@tadeuszmateja5866 Жыл бұрын

Masa szkła nie jest klarowna, proces ten nie został dokładnie wykonany Szpeci wygląd wyrobu Instruktaż dobry natomiast wykonanie nie.

@jiukangxiang0022 Жыл бұрын

what is the material of sading belt?

@22ADAYNews Жыл бұрын

At first I thought that you cleverly created a system for blowing glass without having to blow in it yourself because it probably gets very tiring on the jaw muscles holding a hose in your mouth, but then I see that the only reason why you came up with this system is due to fear of removing your mask due to coronavirus?? AT FIRST I THOUGHT YOU'RE JOKING BUT ARE YOU SERIOUS?? Why would that be a concern you can literally kill viruses with the hot temperatures you're working with no virus could survive in those temperatures.. you're killing germs you're killing bacteria how do you think they sterilize needles with a flame.. wow you people have gone completely woke!! CONGRATULATIONS! 👏 ARE YOU SMARTER THAN A 5TH GRADER GAME SHOW DIDN'T LAST VERY LONG BECAUSE THE PRODUCERS REALIZED A LOT OF PEOPLE ARE NOT SMARTER THAN A 5TH GRADER..

@dmfclay Жыл бұрын

Great. I am hoping to get something under $500 (ish) for coldworking. My kiln is small (Olympic 126) - and I am learning to cast. Can you recommend a grinder/polisher for a beginner (have been fusing glass for a year, but just getting into casting). I have a Dremel and have used it to grind and polish rocks, but it's not easy! Ready to move up to a better system...Thanks! Dianne

@rednecktg13 Жыл бұрын

Where is part 2 ????????"?????

@kentstateglass5011 Жыл бұрын

Just posted!

@jdurham9103 Жыл бұрын

Small subtle moves make all the difference in gathering. Always nice to see a good review of the basics even though I've been making stuff for years. Thanks much!

@kentstateglass5011 Жыл бұрын

Glad you enjoyed it!

@kellycrosseralge1668 Жыл бұрын

Great video!

@ianstewart-koster9982 Жыл бұрын

Thanks!

@Theazzan19891 2 жыл бұрын

very helpful, and waiting for part 2.

@kentstateglass5011 Жыл бұрын

Just uploaded last week!

@justineolausen1115 2 жыл бұрын

Hi there can you please tell me what the best type of sander I need to sand and polish glassware.

@MrGenaGer 2 жыл бұрын

what's the face mask for?

@satyr2k2 Жыл бұрын

In the hell-year of 2020, you're wondering why they were wearing a mask?

@MrGenaGer Жыл бұрын

@@satyr2k2 working alone in the shop and wearing a mask 😷 looks weird. Masks didn't help anyway IMHO

@kentstateglass5011 Жыл бұрын

The masks were mandated by our employer... and to keep us safe from each other. The masks did work: we had zero in-studio transmission during the pandemic while our mask requirement was in place... and cold/flu dropped to almost zero as well.