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A
number of innovative developments ( has , have ) been
made in the Multi-component injection molding process in recent
years.
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A
gas channel design that ( guides , guide ) the gas
flow to the desired locations ( is , are ) one of the
key factors that determine a successful application.
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The
delay time along with gas injection points ( is , are
) important in producing injection-molded parts of quality.
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Neither
the processing parameters nor the amount of polymer melt injection
solely ( determine , determines ) a successful gas
channel design.
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To
select the number and locations of gas injection points and
to determine the amount of polymer melt injection ( is , are
) essential to a successful application.
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Ergonomics
( aim , aims ) to integrate worker comfort and productivity.
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Each
of the factors ( contribute , contributes ) to a successful
design.
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The
simulation in which the polymer melt flow ( occurs
, occur ) in thin cavities ( provides , provide ) accurate
predictions.
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Establishing
a general model or empirical formula in addition to describing
the thickness variation of the skin melt that exists between
the gas/melt interface and the cavity wall ( appear , appears
) to be necessary for further development.
-
The
number of gas injection points ( are , is ) important
in producing quality injection-molded parts.
-
The
majority of factors heavily ( influences , influence )
product performance.
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Accurately
determining the interface shape of a bubble nose and properly
selecting the film thickness ( is , are ) of primary
concern.
