Magnetic core technology made by TRAMAG

– What you can rely on

Insights into the transformer and choke production of a leading specialist

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Advantages of in-house core production

Due to our own production of magnetic cores from electrical sheets, we can flexibly respond to customer requests in the given installation space and thus make transformers and chokes deeper, higher or wider, for example. This depends on the installation space the customer has available in his system. In addition, by cutting electrical sheet and laying the cores in-house, we shorten the throughput times and thus also the delivery times, as we are not dependent on upstream suppliers. TRAMAG keeps an extensive e-sheet coil stock of a wide variety of types in order to be able to react quickly to the most diverse requirements.

Technical data of the electric sheet processing

For the production of magnetic cores for transformers and chokes

  • Sheet widths from 20 – 200mm possible
  • Tolerance 0.02 mm
  • Cutting speed max. 285 m/min
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magnetkerne-magnetkern-herstellung-tramag

A cleanly laid core has fewer losses and thus a higher efficiency.

Many years of experience in the production of magnetic cores

The delivered electric sheet coils are first checked for core magnetisation losses. Then the programming is adjusted to various factors using the cutting plan. These include length, width, sheet quality, number of holes and hole size. The entire process is constantly monitored using calibrated measuring equipment. The sheet metal core is assembled according to drawing specifications (sheet metal quality, layer height, window length FL, window height FH), which are checked precisely. Finally, the braces are mounted and the finished magnetic core is set up to accommodate the coils.

The better a core has been aligned, the lower the no-load current, which in turn results in higher efficiency!

Would you like to find out more about our customised products?

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TRAMAG News

Always up to date in transformer technology


20. December 2023

Christmas & New Year Greetings

The TRAMAG Team would like to thank its customers, business partners and friends for the trust they have placed in us and for their cooperation in partnership over the past year. 2023, another year full of business challenges, but also a year of suffering and misfortune for many people in regions near and far around the world.

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Magnetic core technology
18. December 2023

Quality is when your QMB goes “High-Five-S” with you

We know where quality must ultimately be demonstrated and proven: In the product, in the customer’s application. But where does quality begin? On the one hand in technical development and on the other hand in the organization of workplaces in production. Employees who keep their workstations tidy maintain an overview, have access to the right tools at all times and can work on the product efficiently and with quality assurance.

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Magnetic core technology
13. December 2023

Information visit to TRAMAG by the VDI District Association of Bavaria North-East

On the afternoon of St Nicholas’ Day, the TRAMAG plant in Fürth hosted an information event for members of the Association of German Engineers (VDI) from the Bavarian North-East District Association. Due to the regional proximity and also taking TRAMAG’s 100th anniversary as an occasion, we received a request from the Nuremberg VDI local group to visit our plant, which we were very happy to fulfil.

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Magnetic core technology
6. December 2023

“Quality is when the Customer comes back and not the Product”

The most technically innovative or economically attractive product in an application is worth nothing if the quality is not right. Not only would the failure of the product itself have to be lamented, but possibly also further damage to the entire application.

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Magnetic core technology
22. November 2023

TRAMAG Interview with Easy Engineering Magazin

In a recent interview with Easy Engineering magazine, Jan Reinecke, member of TRAMAG’s management board, presents TRAMAG’s business activities and innovative products and provides current and exciting insights into relevant market trends.

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Magnetic core technology

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