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On September 6, 2016, the United Patent and Trademark Office granted patent number 9,435,998 to Tecnica for its laser print head system. This is the second patent granted this year by the USPTO to Tecnica for its 3D printing technology.
The new technology, housed in the CASA SLS Printer and exhibited at the Inside 3D Expo at the Jacob Javits Center in April 2016 in NYC, will be released late December 2016. Breaking away from a 30-year-old technology, Tecnica developed a printer that blows the competition away. Tecnica fills the vast price void created by the other 3D printing companies by offering a professional grade SLS 3D printer at a starting price point below $20,000. A powerful 25-watt laser with an internal cooling peltier system and a positive pressure airflow allows printing in a pre-set temperature range. Read More
Galvo scanner for DMLS 3D printers
Direct Metal Laser Sintering (DMLS) is a process in which metal powder is sintered by using laser energy without melting the metal. The best way to describe sintering is by looking at a ball full of ice cubes in a room temperature and notice that the ice cubes are attached to each other, forming a large solid structure.
In the printing process of DMLS, one of the challenges is to move the laser beam over the bed surface printing area (X,Y). The printing of the X,Y surface is done either by line vector drawing or line raster drawing by moving the laser beam over a powder in a line pattern. The Laser will turn the energy on, on the dots that need to be sintered and off in the spots that are to be cavities; as a result the area where the laser is off will keep the powder un-sintered while the spot that was heated by the laser will sinter and therefore attach bunch of small powder balls together. Read More
At Tecnica we utilized our patented process for leveling of the print bed. The invention is based on transmitting light from the print head and analyzing the returned light from the print bed. A light source (infrared LED) mounted and surrounded by Light detectors (photo transistors) is mounted next to the print . The light source emits light which is reflected back from the print bed. Read More
From the earliest stages of design, you will closely partner with the Accudynamics team to improve product manufacturability. This early collaboration results in fast turnaround times and your product delivered to more quickly to market. Accudynamics offers our global clientele a wide range of materials for 3D metal printing service including stainless steel, aluminum, titanium, and more. We can create complex geometry, prototype cast parts without the tooling costs and we will analyze these parts for exact specification form, fit and function.
DMLS is an additive manufacturing process that builds a three dimensional (3D) part from powdered metal and is fused by a laser in thin, 20 micron layers. Layers are progressively added and adhered to the previous layer in order to print a 3D part at 99.8% density. Our 3D metal printing service, with multiple painted finishes available, can increase the speed of prototype iterations along with the potential for a functional part viagra achat.