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With the development of gas-assisted
injection molding, these thick parts can now be made with
hollow interiors using thermoplastic materials. This allows
the design engineer freedom to produce equivalently stiff
parts in plastic, with the added advantages of lower weight,
lower cost, and high-quality surfaces.
We can assist you with Gas-Assist
injection molding technique and its variations, various
applications, and review important design considerations
(and pitfalls) that we have has encountered through experience
and testing.
Gas Assisted Injection Molding produces
parts that exhibit enhanced performance and a higher level
of structural integrity. Gas Assisted Injection molding
not only produces high quality parts, but it also allows
for greater design flexibility, reduced part weight, lower
part costs and lower shipping costs provide faster delivery
than conventional plastic injection molding.
The GAIN process of injection
molding with gas assistance allows the designer to create
thick wall sections without concern about flatness, sink
marks, shrinkage and warpage.
Quality is enhanced by this advanced
process due to the elimination of many problematic variables
that occur with conventional injection molding. Redesigned
rib structures form a supportive network of interconnecting
channels, eliminating shrinkage and warpage. Reduced part
weight is possible because less material is used to create
the same part.
Lower cost of production is possible
for a number of reasons. Reduced material usage allows molded
parts to be produced on smaller, lower tonnage presses.
Improved part uniformity reduces cycle times and enables
faster, more efficient part production. Cost savings available
in shipping are due to reduced part weight. Tooling costs
for a gas-assisted mold are approximately the same as for
a conventional mold.
Existing tooling can be easily modified
to handle a GAIN process. Machine production time
is also decreased.
Want to know more? Ask
a specialist.
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