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Manufacturing Technology Insights | Monday, October 16, 2023
The technology has clear benefits, such as reducing supply chain strain by manufacturing closer to end consumers, but it still faces many challenges.
FREMONT, CA: Although production-grade 3D printers are much cheaper than industrial CNC machines or injection molding machines, additive manufacturing equipment can still be expensive. Maintenance expenses for additive equipment are expensive in addition to production and processing costs. A 3D printer might succeed with adequate maintenance, leaving businesses with new components for days or weeks before they can be acquired. Maintenance for FDM printers might include frequently adjusting belt tension and cleaning any residual plastic from the nozzle. Multi Jet Fusion (MJF) printers require frequent printhead and heating lamp maintenance, which can cost thousands of dollars yearly, whereas stereolithography (SLA) printers necessitate regular resin tank maintenance if not replacement. These maintenance fees will likely build up over time.
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When prints are finished, additive manufacturing presents additional challenges. Most 3D printed products need some post-processing, which takes time and raises total labor and overhead expenses per unit. It's also worth mentioning that additive manufacturing is much newer than traditional production techniques. While injection molding and CNC machining have been around for decades and have a huge database of suitable materials and globally acknowledged material standards, additive manufacturing has a more limited material choice and less defined material standards.
Additive manufacturing is gaining traction, with more companies investing in inventing, standardizing, and certifying additive materials. This will eventually allow manufacturers to bridge the gap between additive manufacturing and other technologies. Adopting globally recognized standards in various industries will also aid additive manufacturing in gaining a deeper footing in the industrial scene.
Streamlining manufacturing: Additive manufacturing may have inferior process predictability and reproducibility compared to injection molding and CNC machining. Additively generated parts frequently go through post-processing to increase their surface polish, which is prone to human error and can result in components that can only fulfill tight tolerance requirements if carefully managed. This is a problem when adopting additive manufacturing in businesses that need exceptionally high levels of precision, such as the aerospace or automobile industries. Although additive manufacturing allows businesses to print complex products without requiring further assembly, post-processing processes can extend turnaround times and strain budgets. In addition, corporations will almost certainly need to invest in inspection and quality control capabilities to verify that 3D-printed items meet any needed criteria.
Due to the relative novelty of additive manufacturing, it also confronts operational and organizational hurdles. There is no precedence for operationally implementing additive manufacturing and no business- and cost-calculation models are based on the technology. Many businesses also hesitate to use 3D printing because they are still determining who owns digital designs.
There are few specialized school courses for employment in additive manufacturing, resulting in a need for more trained employees with an in-depth understanding of the technology and procedures. Because of these factors and the frequently limited understanding of additive technologies in businesses that do not specialize specifically in additive manufacturing, many customers are unsure how it can add value to their businesses and avoid it altogether, often to their detriment.
Outsourcing manufacturing services: It is advisable to collaborate with a manufacturing partner if you are unsure how to implement additive manufacturing into your company, are having trouble designing for 3D printing, or aren't prepared for the financial commitment and technical difficulties involved in owning your 3D printers. A seasoned 3D printing partner can assist you in overcoming many of the most significant difficulties related to additive manufacturing, such as initial equipment expenses, variable outcomes, and a lack of 3D printing expertise. If you collaborate with a partner, you may have access to additional additive materials and a wider variety of post-processing choices.
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