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German Chemical Sector Increases Presence in China’s 3D Printing Market
Driving Sustainability in Commercial & Public Transportation with 3D Printing
Luxury Giant Richemont Pursues 3D Printed Watches via Panerai Brand
German Chemical Sector Increases Presence in China’s 3D Printing Market
Driving Sustainability in Commercial & Public Transportation with 3D Printing
Luxury Giant Richemont Pursues 3D Printed Watches via Panerai Brand
With the advent of the pandemic just two short years ago, we’ve been forced to quickly learn how easily economic sustainability can be disturbed. Its negative impact on supply chains and the global economy has been so significant that Governments are implementing initiatives in an effort to reverse the trend [e.g., President Biden’s Additive Manufacturing Forward (AM Forward), India’s National Strategy on Additive Manufacturing (AM)].
Globally, commercial and passenger transportation such as truck, bus, and rail has also fallen victim to this trend. These industries are in the midst of a deep slump due to reduced demand, labor shortages, and supply chain delays. Many of these manufacturers have begun to implement customized product configurations in an effort to maintain competitive advantage, however, their ability to deliver these products has been deeply affected. When I worked as a program manager at John Deere Mexico, Antonio Garcia, then-President for John Deere Argentina said, “There is no more expensive part than the part that is not available.” He, like many others currently are, acknowledged the need to implement more agile product innovation and flexible manufacturing processes to maintain sustainability strategies and assure business growth in this new post-pandemic reality.
The consequences of the deep reduction in cargo movement and passengers’ transit forced commercial freight companies and public transportation operators to park large portions of their assets. They are now in a position to return them in revenue service, and now find themselves in need of qualified maintenance labor and looking for hard-to-find spare parts. In light of this, transportation manufacturers and direct suppliers are re-evaluating their financial strategies to achieve resilient supply chains – placing increasing value on speed and component availability for critical parts, integrating vertical processes and establishing partnerships with regional suppliers located closer to their assembly sites.
Additive manufacturing (AM) has demonstrated its value in bolstering economic sustainability by enhancing productivity. AM can facilitate rapid innovation and thus accelerate speed to market up to 3X by facilitating part count reduction, simplifying parts logistics, and reducing inventory levels by 90%. This results in myriad benefits including reduced risk for potential delays, and simplified assembly operations which reduce labor. Additionally, with monolithic parts enabled by AM, product quality is improved which in turn improves reliability. The need for service support is thus reduced and thus the number of replacement parts – we’ve seen a 60% reduction in some of our customers. With the need for less inventory on hand, there is also a reduced need to dispose of discontinued stock parts at the time of product obsolescence.
Fig 1.- Comparative chart between conventional and additive manufacturing processes of a heat sink for a locomotive IGBT phase module showing benefits on cycle time reduction, production tooling avoidance, and reduction on WIP utilizing AM.
Additive manufacturing also demonstrates environmental sustainability advantages by enabling the production of parts, manufacturing aids, and tooling that requires less material yielding lower waste compared with subtractive manufacturing. Being able to produce parts and production tooling on-demand versus stocking them on shelves also saves warehouse space while eliminating the need to store costly inventory to support discontinued products. Finally, because AM provides design freedom to create parts not possible to produce with traditional manufacturing technologies, it offers engineers a path to design for the application versus designing for the manufacturing capability, thus enabling them to develop more energy-efficient products.
Fig 2.- Cut section and an assembly of an optimized and integrated dual pneumatic valve with manifold 3D printed on 3D Systems’ DMP Flex 350 Dual using LaserForm AlSi10Mg (A) material resulting in 42% mass reduction and elimination of 15 pieces compared with conventional manufacturing.
Additive manufacturing has evolved since its inception in the ’80s with the incorporation of many different types of printing technologies (e.g., photopolymers, powder bed fusion, direct metal printing, etc.). We’ve also seen an increase in the number of materials engineered to meet end-use production needs and the integration of advanced software applications that maximize design freedom. AM has become a transformational engineering tool for transportation innovation and a key accelerator in vertical integration strategies with a much simpler interface for ease of adoption. AM is much more than just a way to characterize a production method (i.e., additive versus subtractive), it enables a different paradigm with unique business benefits.
Additive manufacturing is a process that inherently eliminates a major artifact in the production process – the tooling. The ability to directly produce a component from its digital representation not only makes the process more efficient but allows for the decentralization of the business model, quick adaption, and delivery for the customer experience, as well as achieving this with less manufacturing overhead and waste.
Fig 3.- Cut section of an optimized liquid-cooled heat exchanger printed without supports on 3D Systems’ DMP Flex 350 Dual using LaserForm AlSi7Mg0.6 (A) material saving 83% space and eliminating 97 parts compared with a conventional air-cooled heat sink.
Thanks to the fast growth of digital encryption and IP protection technologies like Digital Right Management (DRM) or Blockchain systems, protecting 3D models and 3D printing parameters is a reality that perfectly marries with additive manufacturing technology. Design owners can now distribute digital information globally and control how many physical parts will be produced and guarantee quality while remote users or manufacturers can print them on demand without needing to ship, insure, store or maintain inventory.
Fig 4.- Graphic representation of encrypting 3D models and technical data packages where digital keys can control quantities to be printed and its manufacturing parameters like material, tooling paths, temperature, speed, etc.
Compared to the auto industry, commercial and public transportation requires much larger parts and while additive manufacturing technology is growing in productivity and build sizes, some critical parts still cannot be produced using current AM printers. Many parts (e.g., large metal castings, external body parts, large interior panels) also cannot be produced as efficiently as desired for end-use consumption and thus need to be manufactured conventionally. In these cases, AM is the perfect solution to create rapid low-mid volume molds and casting patterns, either sacrificial or re-usable, with the advantage of maintaining them as digital inventory tools and eliminating the need for environmentally controlled storage spaces for years.
Fig 5.- A vacuum-formed mold printed in FDM using the Titan Atlas 3.6 and PC-GF10 with 10% infill density to thermoform a 3mm FR metro train panel with PC sheet per EN 45545-2:2013 R1
Companies with a solid long-term vision for sustainability endeavor to operate in a way that fosters economic growth, solves social challenges, and helps the planet by using renewable resources and eliminating waste. Leading transportation manufacturers and direct suppliers are re-evaluating their financial strategies to achieve resilient supply chains – placing increasing value on speed and component availability for critical parts, and many are realizing success by incorporating additive manufacturing into their production workflows. For those considering this journey, understanding initial capital investment levels, the right technology that aligns with the business need, and requirements for technical training can all seem daunting. This is where engaging a strategic partner can go a long way in providing technical assistance and end-to-end solutions that not only help execute the adoption of AM but also realize maximum benefits for their business. With the right partner and the right solution, I believe there is a tremendous opportunity for manufacturers and suppliers of all sizes to accelerate both their innovation and competitive position with the power of additive manufacturing.
Jaime Garcia, Solutions Manager for Commercial and Public Transportation for 3D Systems. Jaime joined 3D Systems in November 2021 as Solutions Manager for Commercial and Public Transportation with a focus on developing additive manufacturing solutions to help customers accelerate innovation.
Throughout his career, Jaime has worked in a truly global capacity starting in his native Mexico (Monterrey, Saltillo, and San Luis Potosi); Istanbul, Turkey; Tianjin, China; Waterloo, Iowa; and Erie, Pennsylvania. Before Jaime joined 3D Systems, he spent 16 years at GE Transportation, a Wabtec Company, in roles including Global Engine Engineering Reliability Manager, PLM Implementation Leader, and Corporate AM Adoption Leader. Prior to that, Jamie spent 17 years with Deere & Company in the Agricultural Tractors Division performing several engineering functions – starting as Test and Evaluation Engineer, and progressing to Engineering Manager, and New Product Introduction Manager.
Jaime earned an MSc degree in Mechanical Design after his BSc degrees in Mechanical and Electrical Engineering from the School of Engineering (FIME) at the Universidad Autonóma de Nuevo León (UANL). He has earned six patents with five others pending on locomotive component designs, including three that are related to solutions using additive manufacturing. He has published two Technical ASME papers related to Lube Oil consumption testing on diesel engines and cylinder surface coatings to reduce piston rings friction.
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German Chemical Sector Increases Presence in China’s 3D Printing Market
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