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Students learn to
identify, troubleshoot,
and then control the
molding process to
resolve defects that
arise. Floor time as
well as ARoutsis video.
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Problems such as: |
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- Bubbles- A spherical,
internal void or globule of air
or other gas trapped in a molded
part.
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- Burns-A dark
discoloration on a molded
product.
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- Cracks-small hairline
split in a plastic product.
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- Delamination-Where
plastic peels up in layers or
separates its layers.
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- Dimensions- The
determined size of the part and
whether it’s too big or too
small.
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- Discoloration- A
coloration other than the
original color the product is
suppose to be.
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- Drooling- Where the
plastic seeps back out of the
nozzle.
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- Jetting- Where the
material enters the mold in a
turbulent or stream fashion.
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- Meld lines- Where two
plastic flow fronts come
together and flow past each
other but still leave a visible
mark.
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- Short Shots- An
incomplete part.
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- Sinks- Where material
relieves stress by creating a
sunken-in area.
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- Splay- Streaks on the
molded part.
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- Voids- Like sinks but
creates a vacuum bubble inside
the part to relieve stress.
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- Warpage- Where part
distorts or twists due to stress
in the molded product.
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- Weld lines- Where two
plastic flow fronts come
together and create a visible
line in the molded part.
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| ZIPPS LLC |
1207 E. Main Street |
Luray VA 22835 |
Phone 1.540.743.1115 |
Fax 1.540.743.1388 |
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ZIPPS understanding your problems, and helping you solve
them! |
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