Motion and Control

Extended Robot Arm for Greater Welding Reach

15 March 2017

Extended reach arm for automated welding on large parts. Image credit: Miller Electric Mfg. Co.Extended reach arm for automated welding on large parts. Image credit: Miller Electric Mfg. Co.A new robot arm with a 3.3-meter reach promises greater joint access on large parts and weldments in automated welding applications. The offering from Wisconsin-based Miller Electric Mfg. Co. can be paired with Miller Auto-Continuum™ and TAWERS robotic MIG welding solutions.

The extended reach arm improves joint access by 63% relative to the traditional robot arm available from Miller and delivers a payload of 20 kg. The device is ideal for welding large parts that would otherwise require additional robot motion axis or shifters to move a smaller robot arm into position to cover the same working range. Eliminating the need for additional motion axis reduces the investment for more equipment and minimizes maintenance time.

The need for robot repositioning is also eliminated because the robot arm reduces stopping on longer welds and adjustments. The arm allows for precision welding and generates more arc-on time for improved efficiency and productivity.

Recommended uses include single and multi-pass welding on weldments found in the heavy equipment manufacturing, general fabrication, agriculture, and construction industries.

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