Additive Manufacturing

MAR 2018

ADDITIVE MANUFACTURING is the magazine devoted to industrial applications of 3D printing and digital layering technology. We cover the promise and the challenges of this technology for making functional tooling and end-use production parts.

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MARCH 2018 Additive Manufacturing RAPID 2018 ON DISPLAY 58 Large Scale Additive Manufacturing (LSAM) on Display Thermwood Corp., Booth 430 Thermwood Corp. offers a line of additive manufacturing systems for the production of large to very large reinforced thermoplastic composite parts. The Large Scale Additive Manufacturing (LSAM) line uses a two-step, near-net- shape production process. First the part is 3D printed, layer by layer, to slightly larger than the final size, then it is trimmed to its exact final size and shape using a CNC router. Both printing and trimming happen on the same machine, using two different gantries. Although suitable for producing a variety of compo- nents, Thermwood's LSAM is used for producing large to very large industrial tooling, masters, patterns, molds and production fixtures for a variety of industries including aerospace, automotive, boating, foundry and thermoform- ing. The system is said to offer lower costs and shorter build cycles for production tooling. thermwood.com High-Speed Sintering 3D Printer Manufactures Functional Components Voxeljet, Booth 1504 Voxeljet introduces the VX200, a 3D printer based on the company's High-Speed Sintering (HSS) physical binder-jetting process which allows tool-less production of functional prototypes as well as final consumer parts. According to the company, the HSS process combines the advantages of two existing additive processes: selective laser sintering and binder jetting. While laser sintering already allows many powder materials to be sintered into functional prototypes today, binder jetting offers high printing rates in terms of speed and size advantages. The HSS process is said to enable the economical processing of larger plots and a wider selection of materials. The VX200 3D printer enables users to print in PA12 as well as elastomers such as TPU. The open sourcing program allows operators to use the machines for their individual benefit, the company says. The VX200 is ideal for material developers, research institutes and OEMs wishing to explore and exploit the diversity of materials in the field of thermoplastics and elastomers. In addition, it is capable of producing consumer parts that are suitable for direct use, such as the computer housing pictured. voxeljet.com AM Materials Testing Services Offered Westmoreland Mechanical Testing & Research, Booth 835 Westmoreland Mechanical Testing & Research (WMT&R) materials testing laboratories offer services for mate- rials created using additive manufacturing processes. This testing can help determine a material's lightweight, high-performance or cost-efficient benefits. WMT&R offers customizable test setups and an extensive scope for materials developmental needs. The company is capable of testing with load capacities ranging from grams to 1 million lbs, and testing temperatures from liquid helium to 3,000°F. It is equipped to test specimens in environmental conditions such as high humidity and immersion in fluids to mimic any real-world application or requirement. WMT&R is capable of testing various geometries with specimen traceability services. Testing is available for materials such as powders, metals, as-built specimens and more. Comprehensive comparison testing and re- search services are offered for additive manufacturing and 3D-printed materials, including axial fatiguing, tensile, compression, shear and flexural tests, and more. wmtr.com

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