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KOSTAL: New processing center for automotive plug connectors

KOSTAL Kontakt Systeme GmbH is the very first company to use the new BZ2-S8. Working at unparalleled speeds, it not only provides the power and performance that are decisive during the manufacture of automotive plug connectors. More than that, it guarantees the zero-error quality that is the standard in the automotive industry.

If you bear in mind that a modern mid-range vehicle contains more than 2,000 electrical connection points then one thing becomes clear: Contact systems constitute a multi-billion parts market with high quality demands. In a modern car equipped with the latest safety solutions and highly demanding technologies, top-quality plug connections play a decisive role. It is for precisely this reason that zero-error quality is of central importance to the Lüdenscheid-based KOSTAL Kontakt Systeme GmbH. The company is part of the Kostal Group, which was founded in 1912, and has been manufacturing top-quality contact parts on various Bihler BZ 2 systems for many years. “To manufacture economically despite year-on-year price erosion, we must focus clearly on identifying and exploiting potentials for improvement,” explains Dipl.-Ing. Wolfgang Becker, Head of Production at Kostal Kontakt Systeme GmbH. “In the company of Bihler, we have been able to do this very well for many years and, with the new BZ2-S8, we will continue on this successful route in the future.” The use of this system will make another noteworthy improvement in performance achievable.

With the new BZ2-S8, KOSTAL can not only achieve a significant performance boost but can also continue to maintain its nonconformity rate of 0 ppm.

Unique dual movement

There are very definite reasons why KOSTAL opted for cam technology and Bihler: “Here, we have to manufacture a single part that is subject to very high quality requirements absolutely reproducibly and in quantities of hundreds of millions. In such cases, mechanical solutions still have a very clear advantage because the curve always has the same rising and falling gradient,” explains Becker. “Unlike other vendors, only Bihler offers the possibility of manufacturing using a dual movement via the slide units. This makes it possible to implement a stable manufacturing process that requires synchronized machining on two levels. Because the drive units are uncoupled from one another, we are independent of speed, quite unlike the case of the central eccentric drive in progressive processing technology.”

Open, quiet and clean

However, the other new features of the BZ2-S8 were also of decisive importance for KOSTAL. Becker: “The new mass balancing systems are extremely effective and ensure absolutely quiet running even at high speeds.” In addition, by using a fully encapsulated system, the processing center completely eliminates the loads that result from an open lubrication system. Even though the further development of the drive system required considerable modifications to the structure of the machine, it was nevertheless possible to ensure tool adaptability. Consequently, the existing tools can still be used.

All-round reliability

At the same time, the new BZ2-S8 also meets the demanding requirements in terms of operating reliability that are of such importance for KOSTAL during the manufacture of plug connectors. “The worm shafts in the system are also mechanically coupled via bevel gears,” explains Becker. This means: If a stepping motor, whether at the top or bottom, loses a pulse, the movements continue to be synchronized at all times. Another new feature takes the form of the camera systems that ensure a 100-percent quality check of every component to an accuracy of a hundredth of a millimeter. Becker is certain: “In this way we can continue to maintain our nonconformity rate of 0 ppm, which we have now achieved uninterrupted for the last ten years, well into the future.”

A genuine leap in performance

At KOSTAL, the new BZ2-S8 is complemented by the company’s established traceability system. In this system, an integrated laser labels each part with a code that contains all the production and material data. Overall, with the new BZ2-S8, KOSTAL possesses an individually configured high-performance system that can go head-to-head with any existing progressive processing technology. Summing up, Becker says, “Thanks to its outstanding mechanical design, the BZ2-S8 provides a robust basis for high-quality mass production. We are convinced that with the new system, we can achieve the next genuine leap in performance.”

KOSTAL Kontakt Systeme GmbH’s core business lies in the development, production and marketing of plug connector systems for the automotive industry. Lüdenscheid-based KOSTAL Kontakt Systeme GmbH is part of the KOSTAL Group, which was founded in 1912 and, as an internationally active, family-owned company, numbers all the world’s leading automotive firms among its customers. It is present at nine locations in eight countries and has a workforce of more than 1,400 employees.


www.kostal-kontakt-systeme.com

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