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| First mini lathe project, oscillating steam engine. |
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| saw:
I turned the diameter to 3.00mm As I told you you have to turn the diameter to 2.94 mm otherwise it will fail. :poke: |
| Dean W:
Some steps on the base would dress it up nice, Ross. Then break the edges just a bit. Up to you, of course! Far as threading goes, if you have a good split die, you can thread it full diameter with no problem. Looks like you did fine with the aluminum one. A chamfer helps with what ever type die you use. |
| DaveH:
Ross, A couple of steps and round the edges off can look nice. Takes a bit of carefull doing. "Beauty is in the eye of the beholder" :beer: DaveH |
| Ross:
--- Quote from: saw on March 23, 2012, 04:20:39 PM ---I turned the diameter to 3.00mm As I told you you have to turn the diameter to 2.94 mm otherwise it will fail. :poke: --- End quote --- Surely 0.06mm would make too much of a difference? --- Quote from: Dean W on March 24, 2012, 12:17:27 AM ---Some steps on the base would dress it up nice, Ross. Then break the edges just a bit. Up to you, of course! --- End quote --- I think steps would be good, what do you mean by breaking up the edges? with chamfers? |
| DaveH:
Ross, "Breaking the edges" just a term used to say no sharp edges. Can be done carefully with some fine emery in the lathe. Just enough to take off any sharp edges. Makes it "nicer" to handle. Chamfer is normally a more specific operation to a achieve a desired look, or to get rid of what was a bad edge. A chamfer may be 1mm, 3mm or more, remember now you have two extra edges to break, either side of the chamfer. :beer: DaveH |
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