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  3. Medical: Instruments

abgescherte Spreizkugel

English translation: remaining mandrel

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
German term or phrase:abgescherte Spreizkugel
English translation:remaining mandrel
Entered by: Katy62

13:48 Dec 9, 2010
German to English translations [PRO]
Medical - Medical: Instruments
German term or phrase: abgescherte Spreizkugel
In einer Montagevorschrift für die Anfertigung von Rumpforthesen:

Sämtliche Blindnieten müssen montiert werden.
Die abgescherten Spreizkugeln in den Nieten entfernen und die Nieten auf der Spangeninnenseite mit einem Hammer flach klopfen.

Schweizerdeutsch - > American English
Katy62
Local time: 23:32
remaining mandrel
Explanation:
blind rivets (trademark: Pop rivets) have a center mandrel which is drawn out of the rivet, forcing the rivet to expand within the intended hole. The shank which is drawn out is then snapped off (abgeschert). However, part of this solid mandrel remains within the rivet body. It can be removed, but this weakens the rivet's strength. After removing the mandrel, the hollow rivet can be pounded flat or flush - necessary on aircraft fuselages, etc. so that the rivet does not protrude so far proud of, or above, the surface.
Selected response from:

Tim Ryan
Local time: 23:32
Grading comment
Thank you, Tim
4 KudoZ points were awarded for this answer



Summary of answers provided
3remaining mandrel
Tim Ryan


  

Answers


10 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
remaining mandrel


Explanation:
blind rivets (trademark: Pop rivets) have a center mandrel which is drawn out of the rivet, forcing the rivet to expand within the intended hole. The shank which is drawn out is then snapped off (abgeschert). However, part of this solid mandrel remains within the rivet body. It can be removed, but this weakens the rivet's strength. After removing the mandrel, the hollow rivet can be pounded flat or flush - necessary on aircraft fuselages, etc. so that the rivet does not protrude so far proud of, or above, the surface.

Example sentence(s):
  • the remaining mandrels within the rivets are removed, and the rivets pounded flat on the interior side of the fibula using a hammar.

    Reference: http://en.wikipedia.org/wiki/Rivet#Solid_rivets
Tim Ryan
Local time: 23:32
Specializes in field
Native speaker of: English
PRO pts in category: 4
Grading comment
Thank you, Tim
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