
Proper mold design and machine setup are essential parts of a quality molding
operation. This publication is intended to assist you in the design or conversion of
injection mold tooling and in machine setup to process Eastman
™
polymers.
Investing in high-quality molds can reduce costs and increase profits over the entire
life of the mold. A well-designed, quality-built mold made from durable materials
and incorporating good cooling and venting will last longer, require fewer repairs,
increase quality of production parts, decrease scrap, and shorten cycle time.
These advantages are often overlooked when the up-front mold costs are totaled.
These costs can lure companies into taking short cuts in design rather than investing
in high-quality molds with precise control systems, which could save money on
every shot made.
Eastman engineering resins like Eastar
™
copolyesters and DuraStar
™
polymers may
be more demanding to initially set up and process than commodity polymers.
However, with the proper up-front mold design and machine setup, these issues
can be prevented. After reviewing this information, you will be better equipped to
design a mold for Eastman
™
polymers or to communicate this information to your
moldmaker and to select the proper machine setup and processing conditions to
mold high-quality parts.
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