Discover how the manufacturing 3D Printing process Sheet Lamination, also known as LOM, SL, works.
The Sheet Lamination (SL) 3D printing manufacturing technique, also known as Laminated Object Manufacturing (LOM), consists of superpositioning several layers of material composed of foil to manufacture an object. The operator cut each foil to shape with a knife or laser to fit to the object’s cross-section.
Helisys Inc. was the first to develop this additive manufacturing technique. Much later, Solido, an Israel-based company, has made it popular. Solido 3D printers contain LOM technology and produce parts made with a combination of PVC (PolyVinyl Chloride) and a proprietary adhesive, which results in rugged, yet inexpensive models. Later, the Ireland-based company Mcor Technologies Ltd invented a sheet lamination technique based on paper. The latest developments of SL made possible the use of carbon fiber sheets and various composites, a technique mastered by the EnvisionTEC company and the Impossible Objects startup. Their manufacturers still honed this technique, but it remains not very well known.
Applications for 3D Laminated Object Manufacturing parts include ergonomic studies, topography visualization, architecture models for paper-made objects. Thermoplastics and fibers make it possible to directly manufacture functional, lightweight technical components for aerospace and automotive industries at a very competitive cost.
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