February 2020

Insight are unlikely to budget for these additional safety features. Safety first The ISO 10218 guidelines exist to set the safety requirements for industrialised robots. However, for cobots, which will see an increased number of interactions between human and robot, these guidelines alone don’t suffice. First introduced in 2016, the ISO/TS 15066 guidelines supplement the ISO 10218 requirements and ensure that any machines classed as collaborative meet specific safety requirements. This also includes any tools that have been adapted onto the robotic arm to perform tasks as well as any objects handled by it. For the first time, ISO/TS 15066 outlines the maximum allowed power and speed limits for cobots. It also brings increased clarity on what is necessary when carrying out risk assessments on cobot applications. The risk assessment must consider the entire collaborative workspace and look at how the operator will interact with the robot. Manufacturers must take the time to ensure they properly risk assess all foreseeable contact situations that could arise between the operator and cobot for any job that the robot is expected to complete. Engineers need to carefully assess every task that the robot will complete in detail — an oversimplified assessment will not accurately represent how safe the robot will be. Here, manufacturers should consider the safety concept of ALARA (as low as reasonably achievable). Manufacturers must consider all the potential risks that could arise in a robot application, not just one or two of them. Industrial robots Manufacturers also need to consider the production speed and volume that they are looking to achieve when deciding between cobots and traditional industrial robots. To run efficiently, an assembly line comprised of both humans and cobots must run at the speed of human operators to avoid bottlenecks on the production line. Manufacturers in sectors such as bottling or packaging, that need a much higher production speed or volume, can benefit from purchasing conventional robots. The logic is simple. Fewer human operators means there is less chance to slow the system down and production will increase. Multiple industrial robots can be integrated for a fully automated production line. Industrial robots are automatically controlled and are programmable in three or more axes and they can automate an extremely broad range of processes unattended. Crucially, programming of these machines is easy, so operators don’t need to have advanced programming skills to use them. These robots can make use of AI software and machine learning to pickup processes and improve on them – self-coding their programmes when necessary. Upgrading a factory to make use of cobots alongside existing legacy equipment and the human workforce is an attractive proposition for many businesses but it is one that requires selective investments and careful obsolescence management. The widespread growth in the cobot market illustrates the fact that cobots are an ideal first step towards automated manufacturing processes. The initial investment is low in applications that don’t require guarding to be installed. However, for large, complex manufacturing setups, full size industrial robots may still offer better economies of scale. www.elecosoft.com | +44 (0) 23 8022 4111 | shiresystem@elecosoft.com ShireSystemCMMS/CAFM allows businesses to better control assets, maintain visibility across operational locations and keep on top of work orders. - Robust and easy-to-use system - Available on-premise, cloud and mobile - Proven use across a range of industries - Free up time, reduce cost, meet compliance ShireSystemMaintenance & Facilities Management software Try it for FREE today