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Innovative Machine Technology:
SEHO ensures higher productivity at APEX 2017

SEHO North America, Inc., a worldwide leading supplier of complete solutions for soldering processes and automated production lines, highlighted a full line of market leading selective soldering and wave soldering systems at the IPC APEX EXPO, which took place in February 2017 at the San Diego Convention Center.

Electronics production faces new manufacturing challenges more and more frequently. Besides high quality requirements at low production costs, there also are an increasing number of product variants and the need for flexible reactions to fluctuation in demand. SEHO soldering systems offer the optimal solution when both matters, high soldering quality and outstanding flexibility.

The selective soldering system GoSelective-LS is particularly designed for stand-alone production of small and medium sized volumes and it scores highly with its very compact design. To ensure an ergonomical work flow and the shortest cycle times, the GoSelective-LS is equipped with a loading and unloading station for carriers up to 20" x 20". Here, boards can be assembled in one carrier while a second carrier is being processed in the machine. All process steps are completely automated. The machine features a precise axis system that reliably positions the drop jet fluxer, preheat unit and soldering unit during the process. Depending on the requirements, the electro-magnetic soldering unit may be used for flexible mini-wave soldering processes, or can be equipped with a multi-nozzle tool for dip soldering with short cycle times.

SEHO also showcased the selective soldering system SelectLine-C that features an outstanding modular design and innovative technical details, thus ensuring clear cost benefits.

The SelectLine-C machine concept incorporates fluxer station, various preheat stations and several soldering stations that may be equipped to meet different manufacturing requirements. A particular highlight for the soldering area is the Synchro software feature to double production volume without major investments. In addition, a brush station to remove any residues after the soldering process and an AOI station for immediate inspection of solder joints can be integrated into the machine. The different machine modules can be configured to an individual manufacturing line and, of course, the machine can be upgraded with additional modules at any later date as well to grow with the production requirements.

All of SEHO's selective soldering systems feature 100 percent process control, with fiducial recognition, flux quantity control, wave height control, process visualization, mcServer and many more value-added features. In doing so, they provide uncompromising superior accuracy and soldering quality. Outstanding is SEHO's automatic ultrasonic nozzle cleaning function that guarantees reliable processes and maximum machine availability.

SEHO also introduced new and innovative concepts in the field of wave soldering. As an alternative to the conventional solvent-based fluxing process SEHO developed a new plasma process to deposit flux powder at the printed circuit board surface. Due to reduced residues, product quality and downtime of the machine can be improved, thus ensuring remarkable cost reduction.

Preheating of PCBs, especially for the increasing share of power electronics, requires a high energy density. This can be implemented efficiently by using new infrared emitters that offer extremely good heat transfer. The fast response of these emitters, an exact PCB monitoring system and a newly developed software allow that the emitters are only activated in areas where a PCB is located.

Finally, SEHO's customers profit from complete solutions that include customized automation of production lines for board handling and material management. Work places for assembly of electronic components, buffer and paternoster stations, turn stations, automatic lifts and, of course, the completely automated conveyor units in between are only a few examples.

SEHO Systems GmbH in profile
Since its foundation in 1973, SEHO has become the worldwide contact partner whenever soldering is involved. Company solutions are based on performance, flexibility, efficiency and technical progress. SEHO's business activities and production organization are oriented according to the principles of sustained future-compatible development and production of machines. As a result, all applicable environmental standards are complied with meticulously. With its systems, the company provides customers with a sustained and resource economizing production facility. It continuously develops its technology in order to provide customers with a competitive advantage.

For further information, view website: www.seho.de   
Refer to page 623

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