[Clayart] Hole in the bottom of a bowl on a potter's wheel

[Vlasova Tatiana]

Sorry )))
read that this wedding is actually a wedging :D :D


2018-05-21 16:00 GMT+03:00 Vlasova Tatiana <yanatt at gmail.com>:

> Wedding how is a marriage ceremony ? 😳
> It happens all of time, when a bowl more 25 sm
>
>
> 2018-05-20 6:16 GMT+03:00 Terry Lazaroff <zalt57 at videotron.ca>:
>
>> This could also be a wedding difficulty.  Does it happen often?
>>
>> Terry
>>
>> Sent from my iPad
>>
>> > On May 19, 2018, at 6:50 PM, Vlasova Tatiana <yanatt at gmail.com> wrote:
>> >
>> > Thank you, William
>> > Usually I throw clay on a wheel in the cone with a round bottom, and I
>> > press (lower) it from above, but not along the edges below.
>> > I'll see to it that I press it down near the wheel.
>> > Thank you!
>> >
>> > I centering pieces more than 3kg so slowly and long time, and instead of
>> > water I use a slip for wetting. Can a slip or a long centering create a
>> > problem with a bubble in the bottom?
>> >
>> > 2018-05-19 13:06 GMT+03:00 <wschran at twc.com>:
>> >
>> >> This may have been from when the clay was attached to the wheel head or
>> >> bat.
>> >> The shape of the bottom of the clay may have had a small depression or
>> >> void from wedging.
>> >> Have the bottom of the clay that will be attached to wheel head curved
>> to
>> >> avoid this.
>> >>
>> >> bill
>> >>
>> >> William Schran
>> >> wschran at twc.com
>> >> 703-505-1617
>> >>
>> >> ---- Vlasova Tatiana <yanatt at gmail.com> wrote:
>> >>> Hello! Can I ask for advice for novice potter?
>> >> I make a bowl 28-30 cm, and when I remove it from the wheel, there are
>> no
>> >> air bubbles, there is no hole at the bottom. But when the bowl dries,
>> the
>> >> hole forms from the outside downwards in the center. Where the bottom
>> >> touched the wheel. Not cross-cutting
>> >> As if the clay in this place was more wet and sat down more.
>> >> When I cut the bottom, I removed this hole. But I do not understand why
>> >> this is happening?
>> >>
>> >> many thanks
>> >> Tanya
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