thank you again for your warm comments,
@gipicarto,
thank you for the link. I have looked in many german internet-shops and couldn't find a proper part. Perhaps I have to buy in US.
@Madda,
here some pics from my machine. It is not a big machine, because I wanted it more robust and only for the partsize I need. The workspace is X400 Y340 Z100. The milling-machine is a KRESS and it is very loud, therefore I am thinking about a HF-milling-machine.
