Mold
Making & Casting Videos
 Making
Rigid Molds With Fast-Cast Urethanes
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Ideal
for smaller models/molds with a flat side,
fast-cast urethanes are widely used for their
ease of
use, low
cost,
and quick
demold
times. However, their use requires careful
application of release agents.
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Video
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Urethane
Rubber Molds
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Urethane Rubber molds are widely used when a
flexible mold material is required and a more
expensive or less abrasion-resistant silicone
rubber is not desired. However,
their use requires careful application of release
agents.
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Video |
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Simple
Silicone Rubber Molds (no parting line) |
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| Ideal
for smaller projects (less than 12" x 12"),
this is the easiest process for creating parts,
patterns, tools, & molds. We demonstrate
creating a silicone rubber mold and then the
casting of
parts with Repro, epoxy casting resins and polyurethane
elastomers.
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Video |
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Mass
Casting Complex Parts (with a parting line) |
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| When
mass casting a part without a flat side, you must
create a two-part mold. We create a two-part silicone
rubber mold with a clean parting line and then
cast the part with Repro.
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Video |
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Moldmaking
With Clear Silicone Rubber
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When
a project
requires a complex parting line, it is often
easier to pour the entire mold in one process
with clear rubber, then cut your parting line.
This process also saves at least a day in creating
the mold.
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Video
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Multiple
Cavity Molds
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When
a project requires numerous duplications, a
multiple cavity mold is created, enabling many
more duplications to be created in a set amount
of time.
This
video is only available on our Members
Only site and in the second edition
of our DVD/CD-ROM compilation video.
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Casting
Thin-Walled Parts
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Casting
thin-walled parts follows a similar process
to the complex mass casting video
above.
However,
this project requires important differences
in venting, gating, and the use of pressure.
This
video is only available on our Members
Only site and in the second edition
of our DVD/CD-ROM compilation video.
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Surface Casting |
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| Ideal
for working on medium-sized projects, this process
of pouring a high quality material around a lower
quality core creates a highly accurate, yet economical
part.
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Video |
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