ROBOTICS & AUTOMATION I
AUTOMATION IN SANDING PROCESSES: ROBOTS AND COBOTS AS CRUCIAL FACTORS IN PRODUCTION
n a world where efficiency and precision are paramount, automation has become an essential
development for manufacturing. This is especially true in sectors such as the manufacturing industry, where the pressure to remain competitive and meet increasingly stringent quality standards constantly grows. One of the processes where automation can have a significant impact is sanding. This labour-intensive process, often carried out under ergonomically suboptimal conditions, is particularly well-suited for robotic implementation. The use of robots and cobots (collaborative robots) offers considerable advantages in this regard. But how do you choose between a robot and a cobot, and what are the crucial success factors for a successful automated sanding process?
Advantages of automated sanding The automating of sanding processes offers numerous benefits. One of the most significant advantages is increased productivity. Robots and cobots can perform tasks with a consistency and speed that is difficult for humans to match. This leads to higher output and less production downtime. Additionally, robots and cobots reduce the need for human intervention, which minimises the risk of errors and accidents. The ergonomic benefits are also not to be underestimated; employees no longer having to work under physically demanding conditions and reducing HAV syndrome will lead to improved health and safety in the workplace. Another significant advantage is the improved quality of the final product. Due to robotic precision and repeatability, sanding processes can be carried out with consistently high quality. This is especially important in industries where small deviations can have significant consequences for a product's functionality or appearance. Furthermore, automation
can help retain knowledge within the company. By allowing robots to take over and consistently apply the expertise of experienced craftsmen, this valuable ‘legacy’ knowledge is preserved even if experienced employees leave the company.
Robot or cobot The choice between a robot and a cobot largely depends on the specific application and environment in which they are used. Both technologies have advantages and disadvantages, and it is important to make the right choice to fully realise the benefits of automation.
Robots are traditionally designed to work independently, often in enclosed environments to ensure the safety of workers. They are powerful, capable of handling heavy loads, and can perform complex and precise tasks. This makes them ideal for heavy-duty grinding operations and complex sanding processes requiring multiple sanding steps and high precision.
Cobots, on the other hand, are designed to work safely alongside humans. They are equipped with sensors and safety systems to detect and avoid collisions. Cobots are more flexible and easier to program, making them ideal for simple, repetitive tasks like light sanding or stand- alone applications. However, their lower speed and power limits their applicability in complex, heavy-duty operations. To help you determine which
platform is ideal for you, you can use these simple guidelines: • For heavy and complex operations, choose a robot.
• For simple, repetitive tasks, a cobot may suffice.
• For single-step processes, a cobot may suffice.
• If integration with other systems or automation is required, a robot is often the best choice.
28 / WELDING WORLD MAGAZINE - ISSUE 05 - SEPTEMBER 2024
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