Factors to Consider When Implementing a Welding Robotic System

Factors to Consider When Implementing a Welding Robotic System

Welding robots are a crucial tool for manufacturing companies looking to improve productivity and quality in high-volume, repetitive welding tasks. However, a number of factors must be taken into consideration to ensure the success of a robotic welding system, including maintenance, training and technical support.

A welding robot is a mechanical arm equipped with a welding torch that can be guided to perform arc-based welding processes. The arm can be programmed to follow a pre-determined path based on a design implemented into the unit, or it can be guided by sensor technologies and machine vision. This enables the robot to adapt in real-time to changes in the workpiece, resulting in more consistent and higher-quality welds.

The programming process is carried out via a computer linked to the robot arm. Specialized software enables operators to specify the welding parameters and map the robot arm’s trajectory, with up to 0.1mm precision in path generation. This allows for a faster and more intuitive CAD-like interface, reducing the programming time by up to 90%. In addition, many manufacturers provide a range of offline simulation tools that enable operators to test and optimize the welding setup prior to implementation.

As with any industrial automation equipment, a welding robot requires a skilled operator to install, program, maintain and carry out preventive maintenance. However, finding and onboarding welding experts is a difficult task that can take up to a year. For this reason, it’s important to look for a supplier that provides comprehensive technical support and training. This includes troubleshooting assistance, spare parts and upgrades, as well as documentation and training materials.

Robotic welding systems require a significant initial investment – both in machinery and jigs, as well as training – which makes it essential to choose the correct system for your application. However, if used correctly, robots can pay for themselves in just one to three years. You can calculate how long it will take for a robotic welding robot to pay back its investment using our online Return of Investment Calculator.

One of the biggest challenges in implementing a welding robot is the need to train the machine to recognize and react to anomalies in the workpiece. This is done by setting up a system that will detect any deviations from the defined welding parameters or paths. This data is then compared with predetermined values and the system is instructed to correct the error.

Additionally, a welding robot can be outfitted with sensors to monitor the performance of the welding process in real-time. The data from these sensors is compared to the welding standards and may trigger an immediate corrective action, such as adjusting the wire feed speed or lowering the voltage to avoid overheating the workpiece. This results in more consistent and high-quality welds, a reduction in welding spatter and cleaner seams, as well as increased throughput. This also reduces welder turnover and helps manufacturers achieve their ROI more quickly.