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der Antrieb muss über die Anlagensteuerung entsprechend verriegelt werden
Jan 25, 2008 18:32
16 yrs ago
45 viewers *
German term

auf Block fahren

German to English Tech/Engineering Mechanics / Mech Engineering
Does anyone know the meaning of this expression?
It is a sentence from an instruction manual of sliding valves. Chapter on start-up instructions:
"Spindelmutter /Schieberplatte dürfen weder vorne noch hinten auf Block fahren"
Thank you
Proposed translations (English)
3 bottom out
Change log

Jan 27, 2008 12:34: Steffen Walter changed "Term asked" from "Auf Block fahren" to "auf Block fahren"

Discussion

Ana Castro (asker) Jan 25, 2008:
OK, Now I got it!!!
Thank you very much.
Darin Fitzpatrick Jan 25, 2008:
Basically, to stop a ballscrew, you should stop the servomotor that drives it, not have it bump into a hard stop, as this can damage the ballscrew. It can be held in any position by the servomotor, but should not be stopped by external mechanical means.
Ana Castro (asker) Jan 25, 2008:
Thanks Darin, I won't say blocked, I was just trying to understand, since I have to write it in portuguese ;)
So, the thing moves, but once it reaches the end it cannot be held there. Is that it?
Darin Fitzpatrick Jan 25, 2008:
If a ballscrew nut is "blocked" it is held in position. Your context has it moving against a stop. So no, don't say "can not be blocked."
Ana Castro (asker) Jan 25, 2008:
As in "they can not be blocked?"

Proposed translations

18 mins
Selected

bottom out

The orientation is not really correct for using this term literally, but it means to reach a hard stop at the end of the stroke.

Could also use "stroke out," or recast as "reach the hard stop."

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Note added at 1 hr (2008-01-25 19:48:20 GMT)
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Whole sentence: "Ballscrew nuts and slider plates must not be bottomed out against a hard stop in either direction."
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4 KudoZ points awarded for this answer. Comment: "Thanks!"
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