ENGINEERING SERVICES AND CONSULTING Srl
Additive technologies: family of 3D SLA
In our daily work as mechanical engineers we have been
using additive manufacturing for 20 years, during which we have
had the opportunity to test nearly all technologies and experience
their technological evolution: at the beginning we talked about
fast prototyping then, passing through less popular definitions,
we got to talk about 3D printing (mass diffusion) and then about
additive manufacturing (manufacture in volumes).
With this background and
knowledge combined with our complementary technological skills and
expertise (mechatronics, process control) and with the help of
highly qualified partners where our knowledge was not high enough,
we decided to enter this world. In 2012, we started to analyze the
market and conduct some preliminary projects and then start
designing a family of printers with SLA (stereolithographic)
technology at the beginning of 2014.
Why stereolithographic technology? First of all we decided to work
with plastics and then we excluded the molten wire technology
(FDM®/FFF) considering the high number of competitors that was
entering the market. We dropped sintering and polymer jet
technologies because we thought the development time would have
been too long for us and, in the end, the most suitable technology
came out to be SLA.
LED light source + DLP®.
This SLA version of the
printer uses a LED light source and through a DLP® projector
designs 2D images, obtained by slicing the 3D model, on the bottom
of a vat containing resin solidifying it in illuminated areas. A
platform, moved by a precision axis, rises above the liquid resin
every time a layer is completed. In the end, the platform moves
away from the liquid resin allowing the finished object to be
Using Texas Instrument's DLP® system, the printer is able to
solidify at each exposure (a few seconds of duration) the entire
resin layer allowing a high printing speed and is able to produce
small parts with high resolution.
Learn more about our 3D SLA DLP® printers on this page.
Laser light source.
This version uses a laser source whose
beam, through an optical system composed of a galvanometer scanner
head and a field lens, draws the 2D profiles obtained by slicing
the 3D model on the resin free surface. A platform, moved by a
precision axis, supports the various layers printed by lowering in
the liquid resin every time a layer is completed. In the end, the
platform resurfaces from the liquid resin allowing the finished
object to be discharged.
The use of the laser allows to produce large parts with
Learn more about our 3D SLA Laser printers on this page.
Contact us we will be
glad to provide you with all the information you need.
Copyright 2007-2017 - ESC Engineering Services and
Consulting Srl - P. IVA 09705560010