You have your new kiln unwrapped. Now
where to put it?
First read the manufacturer's
recommendations. If you are still uncertain there are a number of
things you should think about.
One of these is getting access
around it. You need to be able to work around three sides ideally if
it is a top loader, two sides for smaller kilns is usually enough.
If it is a front loading kiln you only really need to consider the
space in front of the kiln. You are going to be carrying pieces,
even shelves to the kiln so you need enough space for you and the
shelf in front of the kiln. At the sides you only really need enough
space for yourself.
Getting access is part of the
consideration of distances from other things. Often people
are worried about the heat that the kiln will be giving off. Kilns
are well insulated to reduce the costs of firing, so the heat release
is slow. Still, you want at least 300mm space from anything
inflammable.
You also will want to think about the
support surfaces. Sometimes the kilns come with their own
stands, but usually these are to raise the kiln to working height.
You may want to protect against any (unlikely) meltdowns, so you
should put the kiln on steel, ceramic or concrete surfaces. There
are a number of table top models and in these cases a large ceramic
tile or ceramic fibre insulation under the kiln is an entirely
adequate safety precaution.
You will need a place to put things
down just before loading the kiln, so placing the kiln near adequate
flat surfaces is important.
You also should think about putting the
kiln out of the main traffic areas of the studio to avoid
disturbance to the kiln or the rest of the studio activity.
Now that you have the ideal location
for the kiln you have only begun.
You need to make sure the kiln is as
level as possible. The first stage of this is to make sure
the casing is relatively level. Use of a spirit level on the top
front and sides is probably enough. Put hard spacers under the legs
to level things up. You can if you want, level the internal base of
the kiln instead of the casing. Many find that more re-assuring. Then
you need to put the kiln furniture to hold up the kiln shelf into the
kiln and the shelf on top of that. This is the part that really
needs to be level. Spend time on it. Place pieces of ceramic fibre
under the shelf supports as required to get things really level. A
circle or three-way level is good for this purpose. The shelf needs
to remain level to get good, consistent results. Any time you move
the kiln, the shelf, or the supports, you need to check the level of
the shelf.
Once you have the shelf level you are
ready to do a test fire. Normally you need to have a firing
without anything in it to burn out binders used in the making of the
kiln. There is no reason that you cannot have the furniture (shelf
and supports) in the kiln for this first firing as they need to be
test fired too. In addition you can run a test to discover where the
cool spots are in your kiln (every kiln has them). Look up and
follow this technical note on how to run a test for discovering how even the heat
is within your kiln.
Once you have run your test firing, you
will want to protect the kiln floor from any spills of hot
glass and the glass from sticking to your furniture. If the
manufacturer has given you some kiln wash with the kiln mix it up
about 1 part powder to 5 parts water and lightly paint the floor of
the kiln - not the walls. The kiln furniture needs this too as does
the shelf. This note on applying kiln wash will give you information
on how to do it.
It is important that you have some
protective gear to do the work with kilns. At first and for
fusing temperatures, you need eye protection and gloves. You need to
look frequently and briefly into the kiln to monitor the firings,
especially at the start of your career. For this you need eye
protection. Sun glasses will not do as you need protection against
infrared rather than UV light. There are a number of things that will
do from welders' goggles to special lenses as used by bead makers.
Use them! Every time. You will need gloves, at the start leather
gloves with sleeves going half way up your forearm (such as welders'
gloves) will do. Later and for higher temperature work you will need
better and much more expensive gloves, sleeves, and body protection.
These things will get you off to a good
start.
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