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Problem
Fracture of clay.
Clay is in a spiral shape.
Clay unevenly stressed
presses
Clay off center
The opening is uneven and
off-center.
Hollow at the bottom
Bubbles.
SKILLS GUIDANCES
Reason
Excessive force during
lifting.
The clay molding speed
exceeds the machine
speed.
Abnormal posture of clay
molding.
Got wrong and unstable
force on hands when
looking for the center.
1.The center is not found
correctly.
2.Not opening in the center.
3.Hands shake when
pressing down, uneven
force.
Pressing down too fast and
too hard.
The clay has not been
kneaded properly.
9
Solution
The lifting process should
be small and even.
Turn the mold a few times in
advance.
Sit firmly and keep your
back, neck, shoulders,
upper arms, forearms,
wrists and palms still.
Coordinate your whole body
Strength.
The left palm must be
placed in the eight o 'clock
position on the turntable and
applied downward oblique
pressure with even force.
The opening of the middle
tip of the left finger or thumb
must be assisted by the
right finger and must be
pressed down vertically
from the center point.
1.The bottom thickness of
the hole should be left about
2cm.
2.Pause the machine, add
new clay, start the machine,
and smooth the surface.
Pause the machine and
prick the air bubbles with a
needle, fill the hole with
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