Delaying thermal cracks reduces maintenance costs

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Meusburger Georg GmbH & Co. KG

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Deutsche Edelstahlwerke Services GmbH

Expectations for the new material are high

Given the fact that in the past Nemak has produced an average of 80,000 to 150,000 cast parts with a single set of mould inserts, this is not surprising. Using the new hot-working steel from Deutsche Edelstahlwerke, the material is expected to have only very minimal cracking after 60,000 cast parts. Other materials would exhibit much more cracking in the same time period. And for the new material, fractures after 100,000 pieces are absolutely unacceptable. “We expect that Thermodur E 40 K Superclean will considerably reduce maintenance costs arising from, e.g., repair welding of the inserts. These maintenance measures are necessary to be able to exploit the full potential of the life of the mould frames. As a rule, we take a mould frame out of production after switching out the inserts three times,” reports the head of tool manufacture at Nemak Poland.

From longer tool life, lower maintenance costs and greater flexibility in pressure die-casting production to high-quality, reliable delivery performance for die-casting manufacturers and automotive customers – expectations are just as high as the belief that the co-operation will once again be crowned by success. At any rate, the start of the test phase was right on schedule. Deutsche Edelstahlwerke has been supplying Nemak with tool steel for mould frames and mould inserts for 15 years. Over 400 tonnes are trucked directly to the Polish plants every year.

(ID:43373189)