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Trumpf presents two new systems at LASYS

Trumpf is currently presenting two new laser systems at LASYS, the international trade fair for laser materials processing currently underway in Stuttgart, Germany.

TruMicro Series 7000 

The first is a new version of its short-pulse laser from the TruMicro Series 7000. The "large" version of the TruMicro 7060 and TruMicro 7070 models now has up to four jet outlets with the same output instead of two. The 100 mJ maximum pulse energy and 2 kW average power are now available for up to four outlets. For example, the laser power can either be distributed over all four outlets or called up completely at a selected outlet. The previous version still worked with 850 W.

The additional beam outlets allow users to work in energy-sharing or time-sharing modes. The various working modes save users production and “laser on” time. You can use the laser in two work rooms at the same time. "The lasers of the TruMicro Series 7000 work particularly economically, since the user can make better use of the laser and does not have to purchase another laser," says Steffen Rübling, the product manager responsible for the TruMicro portfolio. In energy-sharing mode, the laser distributes its energy to up to four outlets at the same time.

“The user can, for example, use the laser energy at different points on the workpiece. This is advantageous, for example, to clean a large area or to process or clean a workpiece from different sides,” says Rübling. In time-sharing mode, the laser delivers its power to up to four outlets one after the other. Other configurations such as three outlets, each with 33 percent laser power or time-sharing, each with 100 percent laser power are possible.

Applications in e-mobility are one of many suitable fields of application for the lasers of the TruMicro Series 7000. Welding the hairpins of electric motors, for example, is particularly challenging. Before the manufacturers of the electric motors can weld the fine copper pins, they first have to remove the plastic coating. This is where the technology of the TruMicro Series 7000 comes in. The short-pulse laser stripped the copper pins from all four sides. It always processes two sides at a time with divided laser energy. Since the material copper is particularly sensitive, this only works with the precise energy input of short-pulse lasers. With them, users can remove the plastic coating of the hairpins without processing the copper itself.

Every version of the TruMicro Series 7000 is an infrared short-pulse laser with a pulse duration of 30 nanoseconds. The current series consists of the lasers TruMicro 7060 with 1 kW and TruMicro 7070 with 2 kW.

The high-performance nanosecond lasers are based on disk laser technology and combine short pulses and high pulse energies, even at high frequencies. The so-called repetition rate of the laser can be changed by users while the pulse duration remains the same, in order to optimally adjust the laser to the application or the material. By using scanners, the short-pulse lasers can ablate large areas particularly efficiently. The beam is guided via a flexible laser light cable or other suitable beam guide components. This enables easy integration into production systems.  

TruFiber 2000 P

Trumpf is also presenting the TruFiber 2000 P, a fibre laser workhorse that uses the latest technology from Trumpf and is the basis for a whole range of processing solutions. "The TruFiber 2000 P is incredibly flexible and is suitable for applications ranging from laser cutting and laser welding to additive manufacturing," says Mark Richmond, CW laser product manager at Trumpf .

The 2 kW laser offers excellent beam quality and has a laser light cable of up to ten meters in length, which makes it very flexible. Users from various sectors such as e-mobility, automotive or medical technology can easily integrate the TruFiber 2000 P into their production systems. 

The new fiber laser with 2kW laser power has high power stability and is suitable for numerous applications. (Image: Trumpf)

The laser also features TruControl. With this control, the user can easily put the laser into operation and define and save up to 1000 different laser programs. Furthermore, this fiber laser offers the user all relevant machine interfaces.

The TruFiber 2000 P has a high performance stability. "Stability can be increased even more if the user uses the optional automatic laser power control," explains Richmond. In addition, it protects against the effects of diode aging. Thanks to the wide coolant temperature range of 18° to 30° Celsius, the laser works under a wide variety of environmental conditions. "This laser is the result of a great collaborative effort involving teams from TRUMPF's global research and development organization," says Richmond.

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Laser systems, Lasers, Fibre lasers

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