"The patent describes the process to treat Antimony-bearing by-product of Zinc-Lead smelters and convert it into a value added product, Potassium Antimony Tartarate (PAT), "
Researchers Just 3D Printed The First-Ever Complete Heart Using Human Tissue
16 APR 2019
Scientists at Tel Aviv University have 3D printed a small rodent-sized heart using human tissue that includes vessels, collagen, and biological molecules. .
The technology is still many years out from developing a human working heart. The cells do not have pumping ability. but they can currently contract. The trial successfully engineered and printed an entire heart complete with cells, blood vessels, ventricles and chambers. A hydrogel from fatty tissues extracted from human test subjects was used to form bioinks used for 3D printing the heart.
The paper was published in the journal Advanced Science.
Additive Manufacturing is growing in Airplane manufacturing
GE, which spent nearly $1 billion to acquire two 3D printer businesses in 2016, is taking a bottom-up approach and looks at the technology as a creative medium that can help it improve the design of jet engines. Honeywell is content to buy 3D printers from third parties including GE and for now sees this technology as a tool that it can embed in its supply chain to increase efficiency. United Technologies is taking a science-heavy tack.
Honeywell has a football-field sized complex filled with 3D printing machines at its aerospace headquarters in Phoenix, Arizona.
So far, Honeywell has obtained approval for 18 parts including an engine surge duct and it expects to have an additional 14 cleared by the end of the month. All in, the company thinks it can get the FAA’s blessing to swap printers for traditional manufacturing processes on 250 aerospace parts by the end of this year. Honeywell is using 3D-printing technology as a working-capital improvement program.
GE Aviation currently has four 3D-printed discrete parts certified by the FAA, and the expected approval of its GE9X and Catalyst engines over the next two years will give it about 20 more. But looking at the numbers alone understates the scale of GE’s ambitions. Of the more than 80 additional parts in GE Aviation’s additive pipeline, roughly 90 percent are based on new designs, meaning these parts don’t currently exist in that form in the marketplace.
3D printing is increasingly being used to print finished products.
3DPrintUk can print products at a price as low as 20p per unit. It is not costly anymore.
General Electric - Auburn, Alabama Plant - Nozzle Production by 3D Printing
First Production Application of 3D Printing by GE
When it opens in 2015, the General Electric Auburn plant will be producing fuel nozzles for the next-generation LEAP jet engine using 3D Printing.
Each engine will have nearly twenty 3D-printed fuel nozzles.The nozzles are five times more durable than the previous model. 3D printing allowed engineers to design them as one part rather than 20 individual parts, reducing the number of brazes and welds that would have been necessary using traditional methods.
High temperature materials
http://objet.com/3d-printing-materials/high-temperature
ABS Like materials
http://objet.com/3d-printing-materials/abs-like
Some more materials
http://objet.com/3d-printing-materials
Titanium, nickel-base superalloys, stainless steels and tool steels are also being used in 3D printing process.
http://www.optomec.com/Additive-Manufacturing-Technology/Laser-Additive-Manufacturing
Porous titanium scaffolds fabricated using a rapid prototyping and powder
metallurgy technique
Garrett E. Ryan, Abhay S. Pandit, and Dimitrios P. Apatsidis,
Biomaterials 29 (2008) 3625–3635
$125 million Cost Savings Due to Use of 3D Printing - Additive Manufacturing
Honeywell Federal Manufacturing & Technologies perhaps has the most obscene savings. As of FY 2018, they have printed more than 60,000 tooling fixtures for product testing and calculated $125 million in cost avoidance. Its customer is the Department of Energy’s Kansas City National Security Campus, which makes non-nuclear components for national defense systems.
State of 3D Printing 2019: All Grown Up & Ready to Work
Additive manufacturing has finally proven itself ready for high-volume work. How that happened and where it will take the greater manufacturing industry.
Feb 01, 2019 https://www.industryweek.com/technology-and-iiot/state-3d-printing-2019-all-grown-ready-work
American Elements - Lleading manufacturer of advanced materials for additive manufacturing (AM), 3D printing, and rapid prototyping (RP) in the aerospace, automotive, biomedical devices, dental, consumer electronics, and defense industries. https://www.americanelements.com/additive-manufacturing-3d-printing
3D PRINTING IS THE FOUNDATION OF INDUSTRY 4.0 IN THE UAE
IMMENSA TECHNOLOGY LABS MULTI STEP ADDITIVE MANUFACTURING INTEGRATION PROCESS
A mathematical model of the deposition rate and layer height during electrochemical additive manufacturing
Kamaraj, A.B. & Sundaram, M. Int J Adv Manuf Technol (2019). https://doi.org/10.1007/s00170-019-03292-2
1 Feb 2019 https://link.springer.com/article/10.1007/s00170-019-03292-2
Volumetric additive manufacturing via tomographic reconstruction
Brett E. Kelly1,2,*, Indrasen Bhattacharya3,*, Hossein Heidari1,*, Maxim Shusteff2, Christopher M. Spadaccini4, Hayden K. Taylor1,†
Science, 31 Jan 2019 http://science.sciencemag.org/content/early/2019/01/30/science.aau7114 Full article/paper available
Heat-Resistant Material for Aerospace Industry and Improved SLM Method
31.01.2019
Researchers from the National University of Science and Technology MISIS (NUST MISIS) have joined with their colleagues from RUSAL’s Light Materials and Technologies Institute developed a highly durable heat resistant alloy aluminium-silicon-nickel-iron (Al-Si-Ni-Fe) alloy. and also improved the SLM additive manufacturing method to make components that can be used in Aeroplanes and automobiles as light weight items. .
Huge Hybrid Manufacturing Machine is Ready to Start 3D Printing Construction Parts and Structures
31 JAN 2019
The machine will be tested to manufacture demonstrator parts, such as large cantilever beam structures, airplane panels and wind turbine parts. The machine and the process technologies are expected provide a more productive solution for the hybrid manufacturing of large engineering parts and deliver a projected 20% reduction in time and cost expenditure, as well as a target 15% increase in productivity for high-volume additive manufacturing production. https://adsknews.autodesk.com/news/huge-hybrid-manufacturing-machine-ready-to-start-3d-printing-construction-parts
Prodways Rapid Additive Forging system
January 31, 2019
The Rapid Additive Forging technology developed at Prodways is capable of producing large scale parts in various metals, including titanium and steel. It is based on Wire Arc Additive Manufacturing (WAAM) process. The blank is created in successive layers, very close to the finished dimensions and then machined to obtain the final part. https://www.metal-am.com/prodways-sells-its-second-rapid-additive-forging-system/
New Additive materials data added to e-Xstream engineering’s Digimat-AM Advanced Solver to Support Simulation
Solvay is adding 10% carbon fibre filled KetaSpire polyetheretherketone (PEEK) and neat Radel polyphenylsulfone (PPSU) to e-Xstream engineering’s latest release (2019.0) of Digimat-Additive Manufacturing (AM) software. KetaSpire PEEK AM filament data is already available for simulation on e-Xstream engineering’s Digimat-AM platform.
Digimat-AM allows customers to simulate the printing process and successfully predict the thermomechanical behaviour of 3D-printed designs in order to print right the first time.
The software offers highly accurate, predictive modelling data for Solvay’s AM filaments over a wide range of critical characteristics, including detailed warpage and residual stress, to help designers and engineers optimise the process and minimise part deformation before printing.
For highly demanding applications, Digimat further enables design validation by predicting the printed part performance (stiffness, strength, etc.) as a function of the material and the printing process parameters.
INSIDE 3D PRINTING Expo
held in Mumbai, Jan 9, 2019
'Inside 3D Printing' Mumbai is India's premium exhibition for Additive Manufacturing (AM). The 4th edition of this expo took place at Nehru Centre, Mumbai, India on 19th & 20th December 2018.
The expo had 30 exhibitors showcasing their 48 brands. Some of the prominent ones included Imaginarium India, HP, 3D System, Shree Rapid Tech, Intech, DMLS,Novabeans, WOL#D,Flashforge, Stratasys, DesignTech, Redington, 3D, Wipro 3 D, Renishaw and Bharat Forge Ltd.
AM is bringing constructive disruption in the Indian industry, at a scorching pace. Take for example, the Indian Jewellery Industry where 75% of the Jewellery moulds are 3D printed.
By 2021 the 3D printing industry in India is expected to cross USD 200 million according to estimates by Indian 3D Printing Network. The Indian 3D Printing Market currently pegged at about Rs 850 crore is growing at about 22% pa and set to become Rs 1500 crore by 2021.
Volumetric Additive Manufacturing of Polymer Structures by Holographically Projected Light Fields
by
Maxim Shusteff
Submitted to the Department of Electrical Engineering and Computer Science
in Partial Fulfillment of the Requirements for the Degree of
Doctor of Philosophy in Electrical Engineering
at the
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
September 2017
Nicholas Xuanlai Fang
d’Arbeloff Career Development Associate Professor of Mechanical Engineering
Thesis Supervisor
Leslie A. Kolodziejski
Professor of Electrical Engineering and Computer Science
Chair, Committee on Graduate Students
ABSTRACT
Overcoming some of their process limitations of additive manufacturing technologies is important now. Two such limitations of present layer-based fabrication are slow speed and geometric constraints.
Holography is now in use as a means for storage and retrieval of 3D geometrical information. This research explores the use of holographically-shaped light fields for producing three-dimensional structures in a “volume at once” approach. Using spatial light modulator (SLM) technology, phase-controlled light fields are projected into photopolymer resin to cure a desired geometry. By overlapping multiple sub-regions of a single light field within the target volume, the successful fabrication of non-periodic complex 3D geometries is demonstrated by single exposures on timescales of seconds in this research project.
The research also created a complete prototype platform that makes this approach possible, comprising a suitable hardware configuration along with the computational algorithms necessary to calculate and optimize the required optical fields.
A study of the photopolymerization kinetics is also carried out, to determine the boundaries of usable process parameters such as resin absorbance and available light intensity.
The results indicate that low-absorbing resins containing ~0.1% photoinitiator, illuminated at modest powers (~10-100 mW) may be used to produce full 3D structures from 1-10 second exposures, with volume build rates exceeding 100 cm3/hr. There is no need for a substrate or support material that are necessary in the present layer by layer 3D printing.
You can download the thesis from MIT website.
Research Papers Published.
Invention and Development. Output demonstrated
Design: Under Process
SMED to SM3D
The layer by layer 3D Printing will be substituted by a 3D image created in the resin by holography and within minutes you have the shape you want.
The SMED now becomes SM3D.
You will be able use items made using this technology.
If you are an engineer, you have a new technology to learn and develop.
If you are scientist, you have research opportunities.
Feel proud as the science underlying might have been initially discovered during 1750’s. What you think today and discover benefits the universe some day or other.
