Selective Laser Sintering, 3D Systems and SLS methods
Selective Laser Sintering or SLS is said to be a free-form
manufacturing technology which is developed by 3D systems. SLS is a method of
layered manufacturing which creates a solid 3D object by blending powdered
substances along with carbon dioxide. In other words SLS is one of the famous
mechanisms of Rapid Prototyping in which a laser beam carefully sinters or
fuses the powdered substances such as elastomer, nylon etc. A thin layer of
that powdered substances is being laid down and the laser sketches on the layer
sintering together the elements hit by the laser. SLS can provide a persons
manufacturing company with most important perimeter by producing metal or rapid
plastic prototyping which narrowly matches their molded complements.
Stereolithography V/S Selective Laser Sintering: One of the foremost
benefits of Selective Laser Sintering over Stereolithography is that it
constructs prototypes in powered materials such as nylon etc. It is likely to
create structurally useful parts like functioning springs, living hinges and
snap fit components along with nylon substances by utilizing Selective Laser
Sintering. This procedure is actually very easy as there is no need of tooling
or molding involved. The nylon substance utilized in SLS can easily be tapped,
drilled and machined similar to those utilized in Stereolithography or SLA.
These substances are fragile as they are curved with Ultra Violet light and
created with liquid photopolymers.
Since it has been introduced by DR Carl Deckard in the year 1989, this SLS
technology has become one of the most recognized and utilized procedures for
product development and rapid prototyping in most of the manufacturing
industries. SLS technology has also become one of the most trusted and reliable
forms of rapid prototyping due to its structural importance. SLS is generally
helpful when a particular design has to be customized or is complex and
requires being short run or functional production.
Procedure: In the procedure of SLS or
Selective Laser Sintering, three dimensional parts are formed when an infrared
laser beam fuses or sinters powdered substances. The ultimate object is being
formed by continually sintering or fusing those thin layers by utilizing the
infrared laser beam. This particular procedure is also known as additive
manufacturing, creating parts which regularly enhances in size until it reaches
the arranged size. These rapid prototypes are formed directly from the STL file
acquired from three dimensional CAD models.
One of the most important features of Selective Laser
Sintering is how functional and durable the substances are. These substances
normally include versions of new DuraForm glass-filled, which is a nylon based
substance that creates functional and highly durable plastic prototypes. Some
of the other substances available with SLS include LaserForm, Flex Plastic for
elastomeric and rubber like parts that create metal prototypes.
Benefits: Developments and research has been
making progress in order to bring innovative SLS substances to the
manufacturing market. These substances are like which they need no post
processing methods at all after creating and this offers a different advantage
over SLA or Stereolithography. However, this does not mean that these
substances cannot be developed. All these SLS substances can be completed in
many methods. They can be machined, painted, tapped , drilled and even plated.
This allows for a superior grade of manifestation to these substances therefore
giving the users a limitless potential to utilize these substances.
About the author
Go to Prototype Zone to get your free ebook on Prototyping. Prototype
Zone also has a Prototype Forum, Rapid Prototyping
Information, and a Prototype
Blog with daily news on Rapid Prototyping. Go to www.prototypezone.com to visit the
site.
