First of all, let’s introduce the experts.
Mike Garman
He started with Kawasaki Robotics in 1997. He is now a Kawasaki’s Advanced Technology Specialist and has about 19 years of robotics industry experience. During his career, he developed the company’s adaptive welding process for large metal fabrications. This process was the key success of this robot manufacturer in the large scale welding market.
Tim Nacey
Tim has a lot of experience as an industry professional. He has worked for welding and welding equipment companies, as well as industrial robotics companies. He is now a Senior Key Technology Manager at KUKA Robotics. His main responsibility is the welding robot department of the company for North-America and worldwide. He also supports operations, as well as future product development.
Mike Whan
Mike has been working for Lincoln Electric for more than 15 years now. Before, he was a robotic programmer and has many certifications, such as welding inspector and Robotic Arc Welding Technologist. All these certifications come from the American Welding Society. He is now head of a group specializing in automation applications and he is responsible for assigning systems programming and application development.
Q1 - What are some new trends in advanced spot welding techniques?
Nowadays welding companies tend to be moving away from conventional resistance welding.
The experts mentioned different new technologies that are slowly making their place in the industry.
Q2 - What are some new trends in advanced robotic arc welding techniques?
Vision sensors are components that are tending to be used more often in applications due to their dwindling costs. Also, the panelists agree that laser hybrid technology is gaining popularity in the industry. The cost reduction of the lasers is partially responsible for this, as well as the speed of this technology. Offline software was also mentioned because it can reduce system downtime considerably and optimize the tool changing operations.
Q3 - How is vision used to adjust for geometric variations in welding?
First of all, it is important to mentioned that the robotic welding process can be split into three steps: pre-weld, during weld and post-weld. The use of vision can bring significant advantages to each part of the process.
One cost advantage of using vision systems is that the end-user doesn’t have to spend a lot of money on securing the part for repeatable operations. The camera can be installed in the cell or even as an end effector on the industrial robot itself.
New welding techniques are being developed to mimic the eye-hand coordination of a manual welder and this will result in highly adaptive weld processes producing high quality and consistent welds. In a future blog post, other interesting questions and answers will be presented.
To be continued...