Justifying the added expense of robotic welding systems that are digital-twin ready
Updated: 4/2026
Offline robotic welding programming and simulation are valuable today and are anticipated to be even more critical for metal fabricators as they automate their welding & fabrication into the future. Importing CAD models of their weldments and fixtures and producing full robot welding programs is available now and will continue to prove more capable and cost-effective as processing power and AI continue with their accelerating pace of advancement.
This offline programming software is half of the equation; the other half is the real-world system and its mechanisms. These must closely match the digital-twin, virtual-world system to reduce the amount of costly and time-consuming reprogramming touch-up necessary when deploying robot programs created using this method. Systems fabricated and assembled without the necessary steps to ensure a match between the digital-twin and its real-world system will break the chain, requiring substantial reprogramming touch-up at deployment.
Robotic welding systems that are fabricated but not machined will work well in stand-alone applications where the teach pendant is used to program and the flexibility of the robot is used to overcome system components that are not “square” or dimensionally consistent. This system construction method results in a substantially lower cost but presents bigger challenges for offline programming and sharing weld programs between systems.
The alternative is to weld, then machine the system and components, resulting in a consistent and repeatable system when assembled. These systems are built to support offline programs and moving fixtures and weldments between systems without the undesirable reprogramming touch-up slowing deployment, taking the automation asset out of production and reducing production flexibility.
There is more cost associated with this machined component construction method, but the time savings and flexibility that result continue to pay back that added expense with every new weldment deployment and every time weldments are moved to other systems to satisfy production requirements.
As offline programming and simulation use expands, these digital-twin ready robotic welding systems are going to become even more critical to savvy metal fabricators that value the production flexibility and efficient arc-on time insured by these digital-twin ready systems.