Different kinds of 3D Printing Technology
3D printing refers to different manufacturing processes that produce parts
layer-by-layer. Each manufacturing process is unique in the way they produce
metal and plastic components. They may also differ in material selection and
longevity, speed of manufacturing as well as cost and speed.
There are many types of 3D printing.
Stereolithography (SLA)
Selective Laser Sintering
Fused Deposition Modeling (FDM)
Digital Light Process (DLP)
Multi Jet Fusion (MJF).
PolyJet
Direct Metal Laser Sintering (DMLS)
Electron Beam Melting (EBM)
The right 3D printing process to suit your needs requires an understanding of
the strengths and weaknesses of each process and mapping those attributes to the
requirements of your product development. Let's talk about the importance of 3D
printing in product development Then we'll explore the benefits of various types
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3D Printing for Rapid Prototyping and beyond
It's safe to say that 3D printing is typically employed for prototyping. Its
capability to rapidly produce just one component allows designers to test and
communicate ideas efficiently and cost-effectively. Determining the purpose of
your prototype will determine the 3D printing method that will yield the
greatest benefits. Additive manufacturing can be suitable for a variety of
prototypes that span from simple physical models to parts designed for testing
functional requirements.
Despite 3D printing being almost associated with rapid prototyping, there are
situations where it's a viable production process. Most of these are
applications that require low volumes and complex geometries. Often, components
for medical and aerospace applications are the best applications for production
3D printing as they frequently meet the requirements previously
mentioned.
Five things to consider when printing 3D models
As with most things in life, there's rarely an answer that is easy to find
when choosing a 3d printer price process. We frequently mention five key
criteria when helping customers evaluate their options for 3D printing.
Budget
Mechanical requirements
Cosmetic appearance
Material selection
Geometry
SLS parts post-processing
Polymer 3D Printing Methods
Let's examine some of the commonly used 3D printing methods for plastic and
talk about when they are most useful to engineers, designers, product
developers, and other stakeholders.
Stereolithography (SLA)
Stereolithography (SLA) is the first industrial 3D printing method. SLA
printers excels at producing parts with high levels of clarity, smooth surface
finishes and precise tolerances. SLA parts feature beautiful surface finishes
that are used to check the suitability of the component. SLA is widely utilized
in the medical field and is used in a variety of applications, including
microfluidics and anatomical models.
Selective Laser Sintering (SLS)
Selective laser sintering (SLS) melts together nylon-based powders to form
solid plastic. Because SLS components are made of real thermoplastic material
they are tough, suitable for functional testing and are able to accommodate live
hinges as well as snap-fits. Parts made from SLS are more durable than SL
however they are more rough on the surface. SLS does not require support
structures, and it is possible to use the whole build platform to assemble many
parts. This makes it more suitable for larger part quantities in comparison to
other 3d printer
processes. Many of the parts created from SLS can be used to make prototypes
that could be made later on. In our SLS printers, we use sPro140 machines
developed by 3D Systems.
PolyJet
PolyJet is yet another 3D plastic printing process. However, there's an
additional twist. It is able to create parts that have many properties,
including colours or material. Designers can make use of the technology to
prototype elastomeric or overmolded parts. If your design is single, rigid
plastic, we recommend sticking with SL or SLS as it's more economical. PolyJet
is a great tool for prototyping silicone rubber or overmolding designs. This
will allow you to iterate and validate your design faster and can save you
money.
Digital Light Processing (DLP).
SLA and digital light processing are similar in the sense that both cure liquid resin using light. The major distinction between the two techniques is that DLP employs an electronic light projector screen whereas SLA uses a UV laser. This means that DLP industrial 3d printer can create an entire layer of the build all simultaneously, which results in faster build speeds. DLP printing is commonly used to speed up prototyping. However, it could be utilized to create small-scale plastic components in low quantities because of its greater throughput.
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