Nearly 50 participants from more than 25 countries, including Japan, China, Mexico and Brazil, came together for SEHO’s International Sales Meeting. SEHO Systems GmbH is one of the worldwide leading manufacturers of end-to-end solutions for soldering and automated production lines. At the center of the 2-day event were the latest technical developments, future technology trends and the company’s global sales strategy.

SEHO has experienced an above-average growth in recent years, mainly in America and Asia. “Even within the European internal market we have successfully acquired new customers and further extended our systems for existing customers,” outlined Managing Director Markus Walter in his welcome address. The product segments with the strongest growth rates included wave and selective soldering units and automation technology – an area that SEHO significantly expanded in recent years. It goes without saying that growth is linked to investment. SEHO now employs a workforce of over 200 and trains qualified staff in more than 10 professions. A new warehouse building (in the Reinhardshof area) was recently put into operation to accommodate additional production space for SEHO’s Kreuzwertheim site, and a further expansion of the manufacturing space is already in the planning stages.

During the International Sales Meeting, SEHO’s sales partners were presented with the latest technical innovations and had the opportunity to test these in a number of workshops. The focus was mainly on new developments in automatic process control, which are of particular interest in view of Industry 4.0. Another highlight included automation technology: with creative solutions for processing electronic modules, SEHO skilfully translated the corporate strategy of providing “everything from a single source” into action.
During round-table debates and an evening event, the international guests were able to share experiences with peers from all over the world and – together with SEHO – to pave the way for a common successful future.

Another positive result was a highly motivated sales team that left the SEHO headquarters in Kreuzwertheim with many innovative ideas and new potential. “SEHO is a global player who, in recent years, has successfully evolved from a soldering system manufacturer into a system supplier. Events such as these are important for us to further strengthen international cooperation efforts with our partners, to discuss future requirements in different countries and to ensure that we offer optimum support to our world-wide network of customers,” explains Markus Walter.


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The premiere of the SEHO Technology Days in Mexico which took place in Guadalajara and Queretaro, two major Mexican centers of electronics production, at the end of February was a full-on success. In cooperation with STE Latino America, SEHO – a worldwide leading manufacturer of complete solutions for soldering processes and automated production lines – held two rounds of seminars which were attended by a great number of users, mainly from the automotive sector. STE Latino America is an expert partner for electronics productions in Mexico with extensive, long-term experience in the relevant processes and SEHO systems engineering.

“We know exactly what electronics manufacturers in Mexico require”, explains Guillermo Maldonado, Managing Director of STE Latino America. “Through the framework of the Technology Days we wanted to offer an opportunity to discuss the current developments with other experts and to find approaches for optimizations in their own production environment.” Exciting lectures and intense discussions addressed everyday requirements in electronics production, but also focused on the latest in system developments and technologies of the future.

A focal point of the Technology Days in Mexico were the challenges of high-mix/high-volume production which is becoming more and more common, especially in the automotive industry. Dr. Andreas Reinhardt, Director Research and Development at SEHO, pointed out that a high product mix and high-volume production need not be mutually exclusive. One of the key aspects to ensure cost-efficient goods at a consistently high quality is top equipment productivity. What counts is how flexible systems engineering is responding with regards to the production of different goods in both small and large batch sizes in the smallest possible production area, using a variety of starting materials without conversion.

For fluxing in wave soldering applications, SEHO developed a highly flexible plasma technique that supports the efficient production of varying volumes. A significantly lower flux consumption and low maintenance requirements also help to reduce the total production cost.

Ludger Brosch, Head of Design for Wave and Reflow Soldering, presented an innovative preheat approach on the basis of pulsar emitters which facilitates the cost-efficient production of large series as well as lot sizes of 1. This is realized through a particularly high degree of efficiency thanks to greatly responsive heating elements in combination with targeted activation. Configuring emitters individually instead of using entire segments helps to accomplish shortest assembly distances. In small to medium volume production, energy consumption can be reduced by 30 – 50%.

A large number of product variants with different thermal requirements is another challenge in SMD production. By means of a new, emission-free quick extraction method, SEHO reflow systems are able to reduce the temperature level in the soldering system within a very short period of time, for example to facilitate switching from a soldering to an adhesive profile.

The reliability, traceability, and documentation of the production process is gaining in importance especially in the automotive sector, but also in other industries, including THT production. To meet these requirements, SEHO has developed an automated optical inspection system that is specifically designed for the inspection of THT solder joints and can be integrated directly into SEHO selective soldering units. During the technology seminars in Mexico, users discussed the versatile applications of the AOI system SEHO PowerVision, including its use in automatic production control.

Specialist knowledge that can be implemented directly into a company’s manufacturing processes, intense debates about future trends in electronics production, and the exchange with experts describe the results of a successful series of SEHO seminars in Mexico, which will surely soon be followed by similar events.


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Siemens Industrial PCs have been leading trends over 30 years. As early as 1983, Siemens started combining standard PC technology with characteristics that fulfilled the demanding industrial requirements. And with its SIMATIC IPCs Siemens has since continued to set new milestones. With 4500 employees, the Karlsruhe site is the fifth largest location of the Siemens AG in Germany. It includes the Process Industries and Drives division, with process industry and process automation being the focus of the site.

Its modern manufacturing concept helps the Siemens AG in Karlsruhe to produce groundbreaking solutions and to set new standards on a regular basis. The production concept behind the fulfillment of individual customer requirements is based on modern manufacturing islands. In addition to the ability to cost-effectively produce smallest lot sizes, the standalone “island” production approach largely eliminates process-related waiting times and supports the manufacturer of highest quality products.

The basic prerequisite for flexible manufacturing islands is of course the flexibility of the individual production plants within an island. “We ensure this flexibility by using selective soldering systems and automation technology from SEHO” says Josef Kühn, a planner and designer in the Technology department at Siemens Karlsruhe.
The newest IPC manufacturing island at Siemens in Karlsruhe is used in a 2-3 shift operation scenario, production stoppage to allow the soldering nozzles to be cleaned manually was not an option. Instead, the SelectLine was fitted with SEHO-patented ultrasonic cleaning technology. “Our experience has shown that cyclical ultrasonic cleaning significantly improves the service life. With SelectLine soldering nozzles, we have an average service life of approximately 2 months – typically we would just get a few days with other comparable systems,” says Josef Kühn.

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