The Craftmans Shop > New from Old
Trying to Quieten the 110KVA Generator
vtsteam:
Andrew, did you see my post earlier asking you if you wanted info about tuned pipes?
awemawson:
Steve yes I did thank you. Not much option here to tune as apart from the last vertical section lengths are pretty well dictated.
Without proper threading kit for this size of pipe I’m limited to what will fit in the lathe .
djc:
--- Quote from: chipenter on August 31, 2020, 02:06:46 PM ---Turn the tool end for end and mount it on the other side of the tool post .
--- End quote ---
And for really serious length increase, a boring bar facing backwards, used externally.
awemawson:
So as Jeff said the OBVIOUS thing to do is mount the tool on the RH face of the tool post, but in my rush yesterday it didn't occur to me :nrocks:
So this morning once things were calm on the canine front I re-threaded the end of the pipe. Nasty horrible job as the pipe is far from straight with a 50 thou eccentricity from where I could fit the roller steady to the end, so the re-cut thread is far from concentric but that doesn't matter in this application. It fits and is mechanically strong - I'm sure that it would leak like a sieve under pressure !
I'd expected picking up the thread would be the hard part, but it was a doddle.
mattinker:
Andrew,
A long time ago, I worked in a Quarry with a welder who taught me a lot about fabrication. We had a dust suppression system to install, no threading equipment available. Trevor's solution was to collect stubs of threaded pipe in the scrap pile and weld them on when we needed them! Sometimes, if I need a pipe thread, I'll buy black pipe nipples and weld them on, even though I have a lathe!
Cheers, Matthew
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