In 3D printing RAM Mixing technology facilitates accelerated reaction times and homogenization processes to achieve superior flow properties for powders, enabling printing of complex geometries.
- Increased dispersion rates, rapid emulsification and extended life suspensions promote efficiency.
- Reclamation can easily be attained without the need for additional equipment.
- Waste is significantly reduced and cycle time decreased, for improved production economics.
BREAKTHROUGH AT NASA
USING RESONANTACOUSTIC® MIXERS
NASA recently used ResonantAcoustic® Mixing (RAM) technology to invent GRX-810, a new 3D printed super alloy, which demonstrates exceptional durability and strength. GRX-810 is made by coating NiCoCr metal alloy powder with a film of nanoscale Y2O3 oxide articles using ResonantAcoustic® Mixing (RAM) technology. GRX-810 withstands temperatures exceeding 2000 ⁰F and lasts up to 2500 times longer than traditional alloys!
GRX-810 can be used in space launch systems, heat exchangers in nuclear power plants and other extreme temperature environments, thanks to RAM technology.
HOW RESONANTACOUSTIC® MIXING (RAM) WORKS
RAM Technology employs the power of acoustic waves to create intense vibrations within a vessel holding the substances to be mixed.
These vibrations generate localized pressure fluctuations and induce a phenomenon known as acoustic mixing. This process agitates materials at a particle level due to alternating pressure waves which break apart agglomerates, disperse particles and liquids causing rapid material dispersion, consistently resulting in a homogenous mixture.
- Uses vibration to send sound waves through the mix creating a much higher quality mix.
- Utilizes sound energy instead of force to mix much faster and much more uniformly.
- Reduces the mixing time from hours down to minutes.
- ResonantAcoustic Mixers shine where conventional mixing systems begin to fail.
MIXING WITH
SOUND ENERGY
Videos
Industry Folio
Dissimilar Powder Mixing
Dry ingredients can be difficult to thoroughly and consistently mix, particularly when the particles are of different sizes and characteristics. To illustrate effective and rapid mixing, 10 grams of fumed silica is blended with 100 grams of sand. Completed specimens exhibit no airborne fumed silica, demonstrating uniform blending at an order of magnitude difference in particle size.
Milling and Nano Coating
Coating larger particles with smaller ones is a common processing application, and milling is often a part of the same process. In this video, agglomerated carbon black particles are simultaneously milled to nano size particles that coat the plastic pellets completely in just a few seconds. The high speed video clearly illustrates the dispersion of carbon black particles, their de-agglomeration, and progressive and comprehensive coating of the plastic pellets.
Three types of materials account for most of what is used in industrial additive manufacturing: polymers, ceramics and metals. While polymers are the most commonly used, certain additive techniques make use of specific materials as well as the unique capabilities of RAM technology. These materials are most often produced in either powder form or as wire feedstock.
Download this folio of insightful testimonials and links to informative technical papers, articles and patents involving RAM’s impact on the development and use of additive manufacturing materials.
LabRAM II
1,000 gram capacity for repetitive and small sample processing
Up to 2.2 lb (1,000 gram) payload capacity full-featured, digitally controlled batch mixer for bench-scale development, mixing, and processing.
OmniRAM
5 kg capacity delivers pilot and small-scale development capabilities
11 lb (5 kg) payload capacity, full featured, digitally controlled batch mixer for larger-than-bench-scale development, pilot and small-scale production and processing.
Continuous Acoustic Mixer
High throughput mixing for pilot and production scale
Continuous Acoustic Mixing (CAM) systems are configurable for OmniRAM, RAM 5, and RAM 55. CAM systems are custom built for the application and enable high-throughput acoustic mixing of powders, pastes, and liquids.
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