Case study: Krah GmbH

Automation einer Serien-Produktionsmaschine

Result 1

The consistent use of state-of-the-art automation technology has significantly improved the availability of the plant.

Result 2

Krah's production management tool reduces waste and thus helps to conserve resources.

Result 3

Krah can concentrate on its core competencies and is less dependent on fluctuations in incoming orders.

About Krah GmbH

Krah GmbH, based in Schutzbach, is a leading company in the plastics industry. The company was founded in 1968.

Decades of experience and development brought Krah a key international role as a manufacturer of production and application technologies of large diameter pipes and profiles between DN 300 and DN 5000 mm. Krah is the most experienced company in the application of large diameter plastic pipes.

Furthermore, Krah GmbH attaches great importance to sustainability and environmental protection. Krah's plastic pipes and profiles are recyclable and thus help to conserve resources. In addition, they are energy-efficient and have a long service life, which contributes to a reduction in CO2 emissions.

Industry

Manufacturer of production and application technologies of large diameter pipes and profiles

Location

Betzdorfer Str. 8
57520 Schutzbach
Germany

Employees

Around 80 employees

"Thanks to the perfect implementation of our wishes in combination with our own modules, we now have a switchgear system that is state of the art and supports our customers in producing a perfect product."
Sven Jürgens, Technical Director
Krah GmbH

Why Krah came to BSG

Outdated system

The automation implemented to date consisted of individual controls from the machine suppliers; there was no integrated automation of the entire plant.

Complex production processes

The line is a spiral extrusion process. A continuous automation system facilitates the operation of such a line enormously.

BSG together with Krah made this possible

Particularly in the case of a complex interaction of all plant components in the production process, a consistent engineering platform across all engineering disciplines is of crucial importance.

End-to-end automation solution

BSG realizes all necessary services as a system supplier from a single source. This includes sales work, where the customer is advised by a competent contact person. The order is entered in a structured manner in the in-house ERP system and then the electrical CAD project planning, PLC project planning and switchgear construction are carried out. Material handling as well as commissioning and production testing of the plant are also handled by BSG. In addition, BSG offers an after-sales service.

Industry 4.0 from Krah

The automation provides all the necessary data for the production management tool from Krah via the central CPU. This tool continuously records all production data from the machine and supplies the machine with the correct setup for the pipe to be produced. This ensures consistent quality and a reduction in scrap, thus helping to conserve resources.

Technology used

The core components of the automation technology are PLC components from Siemens. Components of the latest generation from the S7 1500 family are used. Consistently decentralized technology is used. The field components are coupled to the central CPU via ProfiNet.

In summary ...

The success story of BSG and the Krah company is an example of how a long-term close cooperation leads to sustainable success and is a win-win situation for both parties. BSG remains committed to providing its customer with excellent advice and customized solutions to meet individual requirements.

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