JK Lasers Used in Semi-Automated Welding Cell

Orwin has integrated a JK600HP Nd:YAG laser, developed by JK Lasers for precision applications requiring tightly controlled heat input at high process speeds, into its Semi-Automated Laser Weld Cell. The welding machine has been developed at Orwin's headquarters in Tyne and Wear, UK, to weld pressure safety valves between 0.5in and 5in in diameter. It has been fitted with two six-axis Fanuc robots. The first loads and stacks the components in the welding nest, while the second is fitted with the laser processing head to weld in vertical and horizontal planes on the valves.

The JK600HP, developed by JK Lasers in Rugby, UK, has been designed specifically for precision applications that require tightly controlled heat input at high process speeds. According to JK Lasers, it is able to produce highly accurate, hermetic welds, ensuring that the valve remains stable even as pressure increases. The component nest comprises of the JK process tool mounted to a servo-driven rotary axis, enabling the laser to produce the orbital weld required. Two nests are included in the machine and both can be used for manually loaded components.

One of these nests can also be used for automatically loaded parts. An additional advantage of the machine is the robot's integrated vision system, which automatically positions the laser head above the join line of the components to be welded. JK Lasers claims that both the vision system and the component nests, combined with the rapid processing speeds provided by the laser, result in increased efficiency, yield and throughput for the end user.

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