Cobots, short for collaborative robots, have emerged as a groundbreaking solution for automation in today's industries. These specialized robots are designed to operate in close proximity to humans, allowing for a shared workspace that fosters collaboration. In this article, we will delve into the world of cobots, discussing their purpose, advantages, and limitations, while comparing them to traditional industrial robots. Join us as we explore the power of cobots and their transformative impact on various industries.
Unlike traditional industrial robots that require safety fencing and operate independently, cobots can share a workspace with human workers, facilitating a harmonious collaboration between man and machine.
Now, you might wonder, why should you consider integrating cobots into your operations? There are several compelling reasons why cobots have gained popularity in various industries:
Flexibility and Mobility:
Seamless Integration and Programming:
To gain a comprehensive understanding of the cobot revolution, let's examine the advantages and limitations of cobots compared to traditional industrial robots:
Pros and Cons: Cobots vs. Industrial Robots
Advantages of Cobots:
Safety and Space Optimization: Cobots are designed to operate in compact spaces, eliminating the need for dedicated robotic cells. By sharing workspace with humans, they maximize spatial utilization, making them ideal for environments with limited space.
Flexibility and Adaptability: Cobots offer unparalleled flexibility, enabling easy reprogramming and redeployment for different tasks. They can be easily moved to different zones or made autonomous with the help of autonomous mobile robots (AMRs), providing agility and adaptability in dynamic production environments.
Easy Installation and Integration: Cobots are engineered to be user-friendly and easy to install. With intuitive interfaces and streamlined setup processes, even non-experts can quickly integrate cobots into their workflows.
Cost-effectiveness: Cobots offer a fast return on investment (ROI) due to their affordability and versatility. They can enhance production quality, perform inspections using cameras, boost productivity, and even help scale businesses without significant upfront costs.
Disadvantages of Cobots:
Speed Limitations: Cobots may have speed limitations imposed mainly by their software and/or mechanical design, making them slower compared to industrial robots.
Payload Constraints: Cobots are designed for light tasks and may have lower payload capacities, limiting their application in heavy-duty operations.
Limited Application in Production Lines: Cobots are not designed to replace industrial robots in high-volume production lines, as their capabilities are better suited for collaborative tasks alongside human workers.
Safety Approval Challenges: Obtaining safety approvals for collaborative applications can be challenging, potentially causing delays and additional costs.
Assistance and Supervision Requirements: Due to their lower volume capacity and potential task changes, cobots may require more frequent assistance and supervision, affecting workflow efficiency.
Potential Need for Fencing and Radar: Depending on the specific application and safety requirements, cobots may still require additional safety measures like fencing and radar systems.
Advantages of Industrial Robots:
High Efficiency and Independence: Industrial robots excel in speed, efficiency and in highly repetitive & independent operations.
Automation of Risky Tasks: Industrial robots can handle hazardous tasks that are unsafe for humans, ensuring worker safety and preventing accidents. (Dangerous, heavy, toxic, explosive...)
High Cycle Speed: Industrial robots are known for their high cycle speeds, making them ideal for fast-paced production lines that require rapid and repetitive operations.
Higher ROI Potential: While industrial robots may involve higher initial costs, their efficiency and productivity gains can result in a significant return on investment over time.
Disadvantages of Industrial Robots:
Not appropiate for Low Volumes: Industrial robots are typically designed for high-volume production. If a manufacturing process involves low volumes or frequent changes in product design, industrial robots may not be the most suitable solution. The high initial setup costs and time required for programming and reconfiguring the robots for each new product can outweigh the benefits in such scenarios.
High Cost and Additional Expenses: The cost of industrial robots can be a significant barrier for many businesses. Not only is the base price of the robot itself often high, but creating a complete working cell with the necessary safety measures can further increase the expenses. Safety features such as fencing and sensors are essential to prevent accidents and ensure compliance with regulations, but they add to the overall cost of implementing industrial robots.
Process Line Changes: Introducing industrial robots into a manufacturing facility may necessitate changes to the existing process line. The layout and workflow of the production area might need to be modified to accommodate the robotic cells and ensure smooth integration with other equipment. These modifications can be time-consuming and require additional resources.
Dedicated Space Requirement: Industrial robots typically require a delimited area or cell to operate safely and efficiently. This means that a separate space needs to be allocated for the robotic cell, which can reduce the overall available floor space in a factory or production facility. The need for dedicated space can be a challenge, particularly in settings with limited square footage.
Additional Costs in Design Changes: Implementing industrial robots may involve additional costs beyond the initial investment. Some of these costs include:
Expert Programmer Needed: Programming industrial robots requires specialized skills and expertise. Hiring or training an expert programmer adds to the operational costs.
Engineering More Tools: Depending on the tasks the industrial robot is expected to perform, additional tools and end effectors may be required. Engineering and integrating these tools can lead to additional expenses.
Changing the Cell: As production needs evolve, modifications to the robotic cell may be necessary. This can include reconfiguring the layout, integrating new components, or upgrading the robot itself. These changes can incur costs and require planning and coordination.
In conclusion, both cobots and industrial robots have their unique advantages and disadvantages, making them suitable for different applications and scenarios. Cobots excel in offering a safe, flexible, and cost-effective solution without the need to change the existing layout and gradually automating. Their ability to share workspaces with humans, along with easy integration and programming, has made them indispensable in many sectors.
On the other hand, industrial robots have been the workhorses of automation for years, providing high-speed and high-volume production capabilities. They are ideal for repetitive tasks and can achieve precise and consistent results. However, industrial robots often require dedicated space, involve higher initial costs, and may necessitate process line modifications.
Both types of robots have their strengths and limitations, and understanding them will empower you to make an informed decision that aligns with your business goals. It is crucial to assess the specific needs of your application, production volumes, safety requirements, and budget constraints.
Don't forget to check out our video recommendations for a visual insight into the world of cobots and industrial robots. Stay updated and learn more about our work. Follow us on LinkedIn, Instagram, Youtube and Facebook. Also, be sure to visit our partner, Eurobots, for further information on industrial robots.