Cobot welding for shops that cannot hire welders

Welding automation is usually bought because the welders are not out there to hire. It works well on repeat weldments in batches, and poorly on one-off repair work.

Free, about two minutes, no phone number. You get an honest no when a robot is the wrong answer.

Who this is for

You have a backlog, you cannot hire welders, and a meaningful share of your work is repeat weldments that run in batches. Joints are reachable, and somebody in the shop owns weld quality today.

The signs this fits you

• Open welder positions you have not filled in months.
• A backlog that is limited by welding capacity rather than by orders.
• The same weldments coming back in batches, even modest ones.
• Your best welder spending time on simple repetitive joints.
• Quality varying noticeably between operators or between shifts.

What the cell looks like

A cobot welding package is an arm, a welding power source integrated to it, a torch, a welding table, and fixturing. The fixturing is where the project actually lives. A robot repeats a path precisely, so the part has to land in the same place every time, which means fixtures rather than tack and eyeball. You also need fume extraction and arc screens. None of that is exotic, but all of it is budget that people forget when they price the arm.

What it costs and what it saves

Illustrative. Equipment includes the arm, power source integration, torch, and table. Fixturing, extraction, and screening vary widely with the part and are frequently underestimated.

Welding automation rarely pays back on labor savings alone, because you were not able to hire the labor in the first place. The real return is throughput you could not otherwise take, and consistency that reduces rework. Work the math on the orders you are turning down or delivering late, not on a headcount you never filled.

When this is the wrong answer

• Your work is constant one-off repair and fabrication. Nothing repeats enough to fixture.
• Your weldments are heavy enough to need positioners well beyond a starter budget.
• Your work is certified structural welding where the welding procedure specification and inspection burden dominate the job.
• Nobody in the shop can own weld quality signoff for robot-produced welds.

What an engineer has to verify

This is the checklist that keeps every number above a range. None of it can be settled from a website, and all of it gets settled before anyone quotes.

• Joint access and whether the torch can actually reach every weld on the part.
• Batch sizes and how often the cell would change over.
• Weld process and wire, and whether the power source integrates with the arm you are considering.
• Fixturing strategy and cost, which is usually the largest hidden line item.
• Ventilation, fume extraction, and arc screen layout.
• Who owns weld quality signoff, and what documentation your customers require.

Safety determinations are not on this list because they are not ours to make. Cell design, guarding, and the risk assessment belong to an independent certified integrator, every time.

What the research says

Peer reviewed work from our research library on this application. These are studies of other plants and other settings, not a prediction about yours, and the excerpts are the authors' own words. Every title links to the source so you can check us.

• Optimization of the cycle time of robotics resistance spot welding for automotive applications Harish Kumar Banga et al. (2021), Journal of Advanced Manufacturing and Processing

  From the abstract: “In the automobile manufacturing industry, resistance spot welding (RSW) is widely used, especially to build the car's body.”

• Robotic welding techniques in marine structures and production processes: A systematic literature review Sufian Imam Wahidi et al. (2024), Marine Structures

  From the abstract: “Robotic welding has garnered significant attention in the maritime industry for its potential to enhance marine structure quality and optimize production processes.”

• Human-robot collaborative assembly and welding: A review and analysis of the state of the art Yue Cao et al. (2024), Journal of Manufacturing Processes

  From the abstract: “This paper reviews and analyzes the recent progress in human-robot collaborative (HRC) technologies that enhance assembly and welding processes .”

• Qualification of a Collaborative Human-robot Welding Cell Dario Antonelli and Sergey V. Astanin (2016), Procedia CIRP

  From the abstract: “This work is focused on evaluating performance of a collaborative robot welding cell developed in our previous research.”

• A Sustainable Decision-Making Framework for Transitioning to Robotic Welding for Small and Medium Manufacturers Kyle Epping and Hao Zhang (2018), Sustainability

  From the abstract: “Small and medium-sized enterprises (SMEs) face challenges in implementing industrial robotics in their manufacturing due to limited resources and expertise.”

The full robotic and cobot welding shelf has 13 works.

Real examples

See it run

Two clips of this job actually running, from two different manufacturers. Both are the makers' own marketing footage, showing a cell under good conditions with a part it was set up for, so watch them for what the motion looks like rather than as evidence of what your rate would be.