How Basic Mechanical Concepts Are Transforming Modern Manufacturing in 2024
Manufacturing is in the middle of a technological revolution. Industry 4.0 innovations are reshaping the sector, but as advanced as many technologies seem, they are ultimately new applications of old concepts.
Cutting-edge technology can be intimidating for many manufacturers. Recognizing the basic mechanical principles behind them can make them approachable, helping justify their adoption. Here are some of the most significant ways technologies take fundamental mechanical concepts to new heights.
Artificial Intelligence
Few technologies are as disruptive as artificial intelligence (AI). A staggering 93% of companies today believe it will be a pivotal growth driver for manufacturing, and 27% say it has already positively impacted their business. While AI is an unprecedented territory in many respects, its use in manufacturing follows a longstanding tradition of process standardization.
The concept of standardizing workflows to boost efficiency and minimize errors is far from new. It was the primary force behind the advent of the assembly line. AI applies the same principle to thought processes, much like physical automation does for manual production.
Even if training is consistent, human employees bring different abilities, attention levels and likelihood of errors. While that works well for nuanced tasks, it hinders productivity and quality in repetitive work. AI, by contrast, brings quantifiable, standardized results and processes to these workflows. As a result, manufacturers bring assembly-line-like precision to knowledge tasks.
Multi-Axis Robotics
The industry’s increasingly complex physical robots also showcase a new application of basic engineering concepts. Multi-axis robotics offer greater flexibility and precision than their simpler counterparts. The resulting improvements can be impressive, but they stem from a straightforward application of basic machines.
Each joint on a multi-axis robot is a simple machine — often a pulley, lever, or wheel and axle. Because these structures reduce the force necessary to complete a task, combining many in one mechanism results in much higher efficiency and precision.
Articulated robots, which typically have three or more axes, are the fastest-growing segment within the industrial robotics market. SCARA robots, which also feature multiple axes of varying types, are seeing similar growth. As groundbreaking as both examples are, they are — at their core — the application of simple machines.
Self-Driving Technology
Groundbreaking robotics innovations today go beyond SCARA and articulated systems. Autonomous mobile robots (AMRs) and other self-driving technologies are also making waves in the industry. The machine learning models directing them are highly complex but depend on familiar fundamental concepts.
Many self-driving systems use radar and lidar to recognize obstacles and navigate safely. Both technologies operate on the principle that energy, whether as lasers or radio waves, reflects off surfaces in line with Newton’s third law of motion. Because there is an equal and opposite reaction for every action, radar and lidar can calculate returning waves to judge distances and speeds.
Applying these principles in AMRs and driverless trucks unlocks significant potential. Autonomous vehicles can consume less fuel to reduce expenses and emissions or remove distracted operators to promote safety. In this way, they also bring the principles of standardization to new processes.
3D Printing
Additive manufacturing — also called 3D printing — is another common example of a basic concept driving innovation. 3D printers are less wasteful and more energy efficient than conventional machining, thanks to how they consider the conservation of energy and mass.
Depositing material instead of cutting it reduces friction. Eliminating friction means 3D printers conserve energy while producing a product of equal size, compared to subtractive machining. Similarly, while machining cannot destroy mass, it can minimize it by losing material to unusable chips and shavings. 3D printing does not produce this waste.
The way additive manufacturing constructs parts builds on other engineering basics. Printers deposit material layer by layer, often laying intricate lattice structures. Thanks to architectural principles, the finished product is stronger but lightweight.
Renewable Energy Storage
Many modern manufacturers are turning to renewable energy as part of a broader sustainability shift. However, because the sun and wind are intermittent power sources, they require storage solutions to meet facilities’ around-the-clock demands. The answer lies in the basics of potential energy.
Energy cannot be created or destroyed. Manufacturers can capitalize on that concept by converting renewable power into potential force. For example, springs store mechanical energy through compression, releasing it once they decompress.
Excess renewable power can compress spring-based mechanisms and use them later to release force when facilities need additional power. Pumped water and compressed air enable similar storage solutions. These mechanical systems make renewables practical while removing chemical batteries' cost and complexity concerns.
Predictive Maintenance
Predictive maintenance is likewise growing across the manufacturing sector. This practice can reduce downtime by up to 50% and extend equipment life spans by 40%. Those are industry-disrupting levels of change, but the catalyst behind them is a well-known, basic concept.
All engineers understand proactive repairs are preferable to running equipment to failure. Many manufacturers already use preventive maintenance practices in light of this truth. Predictive maintenance operates on the same principle but takes it further.
The primary difference between preventive and predictive maintenance is that the latter can recognize signs of wear earlier. Internet of Things (IoT) devices automate the inspection process to enable even more proactive action. The system itself may be relatively complex in terms of technology, but the guiding principle is straightforward.
Graphene
One of the most groundbreaking innovations in modern manufacturing is the use of nanomaterials. Graphene, in particular, holds substantial promise. It is 200 times stronger than steel but a million times smaller than a human hair. Much of this strength comes from its structure.
Graphene is a honeycomb-like lattice of carbon atoms. Architects and mechanical engineers should be familiar with this hexagonal structure, as it is a common way to provide strength without too much mass. The interlocking diagonal lines distribute weight evenly, providing impressive resilience in a small package.
Similarly, graphene’s electrical conductivity stems from its structure. The carbon atoms within it connect in such a way that they leave a free electron, enabling easier electrical movement between atoms. As a result, this material boasts unparalleled electrical and mechanical properties because of simple engineering principles.
All Innovation Builds on Scientific Basics
Manufacturing’s rapid pace of innovation can be imposing. It may leave some businesses feeling unable to keep up because technology is moving faster than their ability to understand it. Manufacturers can overcome that barrier once they recognize futuristic technologies are little more than new applications of fundamentals they already know.
Companies may not understand the intricacies of how a technology works, but they may already practice the underlying principles. Seeing the basics behind advancements removes the mystique. Manufacturers can then make informed decisions about implementing these Industry 4.0 innovations.
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