[modeleng] Re: Mico Mill Problems
- From: Allen Messer <al_messer@xxxxxxxxx>
- To: modeleng@xxxxxxxxxxxxx
- Date: Sun, 3 Oct 2004 07:21:38 -0700 (PDT)
Lee, is the top of thetable out this much in all
positions; at each end? It may be that you'll have to
have the top of the table trued up on a surface
grinder if it is out all over.
Al Messer
--- Lee Grant <leegrant@xxxxxxxxxx> wrote:
> I finally managed to spend some quality time in the
> workshop this weekend
> set up the face plate and bored the two cylinders of
> the marine piston valve
> engine I am building. Because of a lack of swing on
> my small lathe I couldn'
> t bore the two piston valve cylinders so I had to
> drill them on my Micro
> Mill. The two bored cylinders turned out almost
> perfect + or - 001" nice
> finish the two drilled holes looked ok until I
> turned it over the holes came
> out 4mm of centre, a check with a 6" square on the
> mill table to the column
> found that the column is tilting forward I can fit a
> 015" feeler gage at the
> bottom of the square. This may be part of the reason
> for the mills poor
> performance. The column can tilt 45 degrees side to
> side on a pivot and is
> bolted to the base with 4 cap head bolts I could
> shim it temporally for a
> quick fix but I think I need to dismantle it and
> have it machined correctly
> This will probably make an expensive mill out of a
> cheap one. Are there any
> better ideas out there?
>
> Lee
>
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