STORY

How do we make... metal harder?

Posted on October 31, 2013 by Marcel Rothmund, Images by Robert Hack

1,800 revolutions per minute – steel on steel. Only the very hardest of components can take the strain. But how is that hardness achieved?
Friedrichshafen, Germany

Display Google Maps

To use this service, you must give us your consent for the relevant cookie. For more information, please read our Cookie Policy.

Enable
Hardening shop workers lift the red-hot camshafts out of the 850° annealing furnaces with a crane and immerse them immediately in an oil bath for quenching.
Angelo Caruso tests the hardness of the heat-treated camshafts using the Rockwell method.
The hardness test is followed by the peening stage for cleaning. Gunther Dziewas takes the finished camshafts out of the sand-blasting machine.

Point of contact

Harald Münch
Phone:
+49 7541 90 4341
E-mail:

Related stories

How do we do... colors?

by Lucie Maluck

mtu engines come in whatever color the customer wants. But how are they finished? A look behind the scenes in our paint shop.

Read more

How do we make... a crankcase?

by Katrin Auernhammer

The crankcase forms has to be able to withstand immense forces. That is why it is built to tolerances of just a few hundredths of a millimeter.

Read more

How to make a... cylinder head?

by Katrin Beck

CAD, machining center, assembly line: the three main stages of cylinder head production.

Read more