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[r-lad]

Originally Posted by Keebler

Well i dunno there are ways around that. If u had to. What would u say the price would be? Maybe itl be worth the trouble

There are ways around, but they involve the tools you could use to make the power tube yourself. If you make an offer I can't refuse, I will start working on it next rainy day.

It rained Thursday night, so here are joedirt199's ASA adapters:



There are 4 marks near the o-ring groove on each one from the rotary chuck. They will still work normally. I must have used a different order of operations on the one pictured earlier in the thread , since it turned out flawless.

[rcjunky]

If I were making those, I'd do all the paralel turning, then the parting, then the threading, drill and tap the hole on a mill, then part the whole peice off so you don't need to hold the actual peice at any time.

[r-lad]

Originally Posted by rcjunky

If I were making those, I'd do all the paralel turning, then the parting, then the threading, drill and tap the hole on a mill, then part the whole peice off so you don't need to hold the actual peice at any time.

I'm not sure about your first parting operation ... maybe you meant facing.

I think I started on the mill the first time I made these with the drilling and tapping, then went to the lathe. The only problem with that is more material is wasted because I can't put the whole bar in the rotary chuck. If I had an indexer with a collet, I could hold the part without making marks.

[rcjunky]

the second operation would be making the grouve and the smaller dia. before the threads were a normal cutter wouldn't fit, maybe its actually called facing, I'm not a formal machinist, but one of the best machinists in Ontario at the high school level.