Rapid prototyping is the process used to generate
three-dimensional models that do not require any machining or tooling.
Instead, rapid prototyping makes use of cutting edge technology that
allows a physical object to be formed by adding a material layer by
layer until the desired shape is achieved. This additive process is
being used instead of building prototypes by cutting away material
through machining which is subtractive.
Rapid prototyping allows
more flexibility than machining because the even complex model designs
does not suffer any limitations during its production. Rapid
prototyping enables engineers and product designers to generate three
dimensional models quickly and accurately.
Different rapid
prototyping systems make use of a variety of materials to create
different three dimensional objects. A common material used is
prototyping wax. This material is usually ideal when engineers and
designers require small quantities of casting parts to create intricate
patterns without the use of tooling.
Prototyping wax can also be
used together with other types of prototyping materials in order to
make the resulting prototype work better with different casting methods
that make use of metals as well as non-metals. Combining prototyping
wax with other materials to create the models will also be ideal for
low-temperature furnaces and vacuum plaster casting methods.
A
rapid prototyping modeling process utilizing prototyping wax to create
a wax pattern can be advantageous in some ways. Forming and de-waxing a
shell mold made from prototyping wax can be done quite rapidly using
normal casting procedures. Using this type material simplifies in a way
the model-making process that helps you to get your products to be
developed and be released in the market faster.
Aside from
prototyping waxes, there are also other materials being used for a
number of rapid prototyping processes. One such material is
thermoplastics. If product engineers are looking forward in creating
durable prototype parts that might require aggressive functional
testing, thermoplastics can be the ideal material to use for rapid
prototyping. Thermoplastic materials have effective heat and chemical
resisting properties that make them the best choice for models that
undergo aggressive product testing procedures.
Not only that,
thermoplastics also provide excellent surface finish to prototype
models. They are also machinable and weldable when required.
Thermoplastics can also be joined mechanically or with the use of
special adhesives. Other prototyping material choices available include
powdered metals for injection molding, and for directly creating metal
prototype parts, Polycarbonate and polyphenylsulfone materials for
forming durable, high-strength, and functional prototypes that are to
be used for testing and final design verification.
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