23:43 Nov 13, 2013
This question was closed without grading. Reason: No acceptable answer

German to English translations [PRO]
Tech/Engineering - Mechanics / Mech Engineering / Turbine impeller
German term or phrase: Königsbohrung
Not much context to go on here, but this term appears on a diagram in a milling log for a compressor impeller under the heading "Rundlauf und Planlaufkontrolle". Centre hole perhaps? No ghits that I could find, so wondered if anyone else had come across it before?
Claire Cox
United Kingdom
Local time: 15:06

Summary of answers provided
3pivot boring
Johannes Gleim
2Kingpin bearing

Discussion entries: 6



57 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
pivot boring

Reminds me 'Königsstuhl' (pivot bearing).

'pivot boring' has a lot of Ghits. Unfortunately I cannot copy links with my smartphone, the only internet access I have during my trip.

Johannes Gleim
Local time: 16:06
Works in field
Native speaker of: Native in GermanGerman
PRO pts in category: 342

Peer comments on this answer (and responses from the answerer)
neutral  Yorkshireman: maybe this will help - lots of diagrams of impellers. http://tinyurl.com/onlwjrz The only thing I can think of with "king" is kingpin. Looks like this is pointing us in the right direction. Enjoy your trip.
7 hrs
  -> The kingpin (Königszapfen) matches the king bearing (Königsstuhl). Obviously we have here an analogue designation.
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10 hrs   confidence: Answerer confidence 2/5Answerer confidence 2/5
Kingpin bearing

Lots of ghits for "kingpin bearings" - but I still don't know whether it's what you are looking for. Thanks to Johannes Gleim for his input.

Local time: 16:06
Native speaker of: Native in EnglishEnglish
PRO pts in category: 36

Peer comments on this answer (and responses from the answerer)
neutral  Heather McCrae: don't think it has to do with bearings, it is referring to the main hole that all milling dimensions are referenced to (imo) - and no holey jokes, ok? ;)
5 hrs
  -> The jokes that usually turn up in engineering questions are about greasing nipples :-) Seriously though, it may be the centre hole of the impeller where the shaft/kingpin is inserted. Imprecise machining of this would prevent it running true.
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