Gallery, Projects and General > Project Logs
Another homemade milling machine
PK:
--- Quote from: awemawson on April 18, 2017, 07:53:09 AM ---Blimey PK that's a bit impressively technical :bow:
--- End quote ---
Yeah, sorry 'bout that. It was a big chunk of my PhD.... Buy me two beers and I can bore you to death with the numbers... Oh, and I've had two beers......
PekkaNF:
--- Quote from: PK on April 18, 2017, 09:26:04 AM ---
--- Quote from: awemawson on April 18, 2017, 07:53:09 AM ---Blimey PK that's a bit impressively technical :bow:
--- End quote ---
Yeah, sorry 'bout that. It was a big chunk of my PhD.... Buy me two beers and I can bore you to death with the numbers... Oh, and I've had two beers......
--- End quote ---
By all means. I'll get you drunk. Please tell more! I used go on trips with one professor, we hooked acceleration sensors and other transduces to measure vibration and find out excitation sources/sympathic frequences. Laymen had no idea how involved in real life it is.
And granules are different animals. We measured some of them too in one big machine...Big beam filled with sand or glassballs...So, which one is "better"? it all depends what is your question.
So...all this is pretty basic (from post #44):
http://www.mech.utah.edu/~bamberg/research/ConcreteCastDamper/concreteCastDamper.html
Everyone seriously considering should least read this:
https://pdfs.semanticscholar.org/5487/82f4c63376150991dd323d0ef15a7da2fee8.pdf
At this phase of this project it's all pretty academic and best to forge forward.
Pekka
shipto:
--- Quote from: PekkaNF on April 18, 2017, 10:15:38 AM ---
At this phase of this project it's all pretty academic and best to forge forward.
Pekka
--- End quote ---
I agree I didnt intend it to get this much of a discussion its more a "what if" situtation at the moment I could get it set up and it runs like a dream or it could be so bad that I scrap all but the expensive bits and not even want to waste a bag of cement. I hope it the first option :lol:
shipto:
So I have now turned my attention to the knee slides and in yet another operation that would have been done better with a mill I made 4 elongated slots in each and made some blocks to help me get them lined up straight and keep them there. I have decided that I will get one side lined up as best as I can to the column and pin it, then everything will be lined up to that.
shipto:
The knee is going to have to go back to the drawing board (what theres a drawing board?) at the very least temporarily as the bits are nowhere near straight I suspect its down to the rubbish jig I made to mill them on the lathe. So I am thinking of borrowing ideas from the gingery lathe and make the ways and carriage from some bright drawn stock which will hopefully get me running the mill well enough to straighten up the cast iron bits. Finger crossed.
Nearly had a major oops moment tonight while try to move the carriage along I pushed a little too hard and dropped it amazing how fast you move when your feet are in danger :lol: that will teach me to secure it before messing.
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