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1/2" BSW Split Die failure - Insufficient meat on the 1" O/D

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Michael Gilligan22/11/2021 16:48:22
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I’ve been pondering this whilst out for my walk …

Surely, if the die-holder is the proper size for the die, it should be [almost] impossible to break the die by tightening the expander screw.

dont know Methinks that careful measurement will reveal that they are mis-matched

… or, could it possibly have been previously cracked, by over-tightening one of the ‘closing’ screws with no material in the die ?

MichaelG.

peak422/11/2021 17:03:45
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Posted by Michael Gilligan on 22/11/2021 16:48:22:

..................

dont know Methinks that careful measurement will reveal that they are mis-matched

...................

MichaelG.

Maybe by 0.4mm on the diameter, as I alluded to earlier (from some examples I have lurking in a drawer).

Bill

Michael Gilligan22/11/2021 17:25:45
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Yes indeed that may be, Bill … but other dimensional problems are plausible

Therefore the suggested ‘careful measurement’

MichaelG.

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