The Craftmans Shop > New from Old
The Sequel - Oh Blimey I bought a CNC Lathe (Beaver TC 20)
AdeV:
--- Quote from: modeng200023 on August 03, 2021, 01:40:29 AM ---Which tube would that be? :scratch:
John
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The London Underground system, I'm guessing?
awemawson:
Yes many of the Underground lines had their power distribution controlled from Long Acre (just round the corner from Stringfellows !) by our computers and remote telemetry kit, but those were the next generation on from the ones the chap wanted to scrap!
russ57:
--- Quote from: awemawson on August 02, 2021, 03:06:59 PM ---Graham, I rarely resent buying spares for these things when they are available and the price is sensible. It makes diagnosis so much easier in the future. A case in point is the little battery backed RAM card that seems to have succumbed to the lightning storm - I had it because it had flitted by on eBay about a year ago. Without that spare I'd still be scratching my head
Other examples: I have a complete set of electronics and servos for my H425 Spark Eroder in a crate in my container alongside another with virtually all the bits of a Fanuc Wirecut wire eroder.
I suppose it comes from a lifetime career supporting obscure equipment in critical applications.
Years ago we were taken over by an organisation more accustomed to supporting commodity PCs where there were usually many substitute spares available at short notice from dealers at low cost. Seeing some exceedingly rare CPU modules on the books at well over £50K a piece the new MD wanted them written off pronto to make the books look better. When I pointed out that they supported a fair proportion of the National Grid infrastructure including Nuclear Power Stations that we had very tight contractual commitments to, and that they could no longer be made his face was an absolute picture :clap:
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--- Quote from: awemawson on August 02, 2021, 03:06:59 PM ---. Seeing some exceedingly rare CPU modules on the books at well over £50K a piece the new MD wanted them written off pronto to make the books look better. When I pointed out that they supported a fair proportion of the National Grid infrastructure including Nuclear Power Stations that we had very tight contractual commitments to, and that they could no longer be made his face was an absolute picture :clap:
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My brother has some stories about stores.
Item value 50k. Min stock level 2, , max stock level 2. Item required for urgent maintenance, but 'can't have it, stock would be below minimum...
-russ
Sea.dog:
That sounds like a scenario that Douglas Adams or Joseph Heller could have come up with.
awemawson:
It's actually remarkably similar to the maximum rpm parameter that caused me all this bother by reverting to Max = 0 :lol:
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