How I Finish the Bases of my Pottery - Post Firing

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This week, I'm running you through the processes I use for tidying up my pottery after they've been reduction fired. This includes polishing clean their bases and grinding lids in-situ with carborundum paste. I also remove 'waddings' and using grinding discs. Links to most things mentioned can be found below.
I know each potter tends to have different ways of grinding the bottoms of their pots, so if you've got any other ideas, techniques or interesting methods please do share in the comments!
DiamondCore Tools: diamondcoretools.com
Chemico Valve grinding paste: www.amazon.co.uk/Chemico-0331...
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Wadding recipe: 50% china clay, 50% coarse alumina hydrate, mix powders and then add water very slowly as the mixture tends to turn too watery very easily. So better to take it slow. Once it has a clay like consistency you can wedge it up and store it in an air tight container.
Timecodes:
0:00 - Introduction
0:13 - The tools used
2:07 - My quick method for cleaning bases
2:46 - A more thorough method using grinding discs
4:25 - Removing 'waddings' with a rotary grinding tool
5:20 - Removing 'waddings' with a tungsten carbide scraper
6:15 - Cleaning up lidded pots with Chemico valve grinding paste
9:20 - Lid before and after...
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Опубликовано:

1 авг 2024

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Комментарии : 33

@kyleosh Год назад

Thanks for following up on this, Florian. This is a step in your workflow that I've been curious about for quite some time now after you've shared tidbits of it in the past. I've taken to using 4-inch diamond polishing pads that are used with a drill for my mugs & bowls. Only issue so far with them is that any wet sanding you try to do quickly becomes dry and you get dust everywhere; gotta do it outside and with a mask on.

@jackscourage Год назад

"greasy digit" was the name of my ska band in college

@limesushilobster Год назад

That's so cool What type of music did you guys play?

@CaraTheStrange Год назад

@@limesushilobster Ska, its a genre. At least thats how i understood the comment

@jackscourage Год назад

yup ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-cntvEDbagAw.html

@jackscourage Год назад

or this ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-gmOmAuhAQbE.html

@donutpanic Год назад

Chemico also make a water based grinding paste used for lapping mower blades that I've used on my lids having seen your earlier video. It works like a charm and easy to wash off.

@micah06v8 Год назад

Thank you for going over the warning about cracked overflow glaze. It boggles my mind that somebody would run their hand over that when it's pretty much broken glass!

@floriangadsby Год назад

Sometimes even I do it still... careless in the moment but it is an easy mistake. I've seen some truly terrible injuries as a result, thankfully nothing on my end but my glazes are pretty stable these days and runs that result in sharp shards are very rare.

@Alex_0Z Год назад

as someone who primarily fires in electric for glazing it’s interesting to see this side of ceramics i don’t get to that often!

@floriangadsby Год назад

Pleased to hear so, Alex. Lots of these techniques are still applicable to electric firing - waddings especially. Glazing the underside of pots too, with wadding places onto the pieces, another route that's not often taken as it adds the additional steps of having to grind them back, but there's not much else as lovely as a fully glazed foot/base. Thanks for watching as always.

@paivitukiainen7236 Год назад

Went to the dentist today. Asked to watch your videos while having a filling replaced. Wasn't a good time but definitely better. Then went to do glazing for the rest of the day. Thank you for the channel x

@stephanieroosify 10 месяцев назад

Immensly grateful for your wonderful video’s! Thank you Florian 😊

@thebe1azi500 Год назад

Could you do an overview of the different firing types you mentioned? They sound very interesting and you have a clear and fascinating way of explaining things

@SPIRITWILDCHILD28 Год назад

I love watching your videos so much. Your voice is calming and your talent is great. Thank you so much for sharing your process with us. I can not wait to buy your book.

@floriangadsby Год назад

Thanks so much, Patricia! Such kind words - means the world to me - and the book, thank you, I so hope you like it come the day it's finally released.

@dianeuranowski3694 Год назад

Just had to sa y that mug you show at time stamp 6:04 is astonishingly beatiful! It was really interesting to see how you had to be mindful of the color change on the pot and to not grind it too much. Thanks for the video!

@floriangadsby Год назад

It's my favourite mug from my time at Maze Hill Pottery, from thousands made. A very special piece from my time learning the craft... I love it! Too much to even use it its so precious. Thanks for watching!

@Skyliner_369 Год назад

The silicone grip pad seems like a perfect thing to stick your lid to, as silicone and glass have a really high 'sticktion' and since the main ingredient in glaze is... glass, well, I think the sticky pad might work wonders. I might also look into a water or oil based grinding compound that you can apply with a brush, as, I think the process of, plop on wheel, paint grit, grind, done might get you through the pots much faster. Actually, polishing windshield cleaner (rain-x) might be a surprisingly good candidate. Its grit goes up as it grinds, and it's water based. Cleaning water based stuff is far easier

@paalrist46 Год назад

You could use the sticky mat to polish the lids to the vessels, if you run it on low speeds

@floriangadsby Год назад

Good idea... lid side down? Body pushed against it! I'll have to try it.

@pamdemonia Год назад

Very interesting.

@GreenDayFanMT 10 месяцев назад

To polish my knives and blades I use an aluminium oxide based car polish. It is cheap but effective. It has more of a toothpaste consistency. But you shouldn't use it for that. ;)

@whackycracker1987 Год назад

Good vid!

@floriangadsby Год назад

Thanks!

@bobcalhoun3714 Год назад

Florian, thanks for this video. The two new things I learned were the pottery wadding and the grinding paste. The grinding paste is the same process, called lapping, which mechanics will use to seat a valve in an engine so that the two surfaces mate with no leaks. When you use the wadding, do you stick the wadding to the pot or do you just rest the pot on top of the little balls to keep it off the kiln shelf? Thanks!