[modeleng] Mico Mill Problems
- From: "Lee Grant" <leegrant@xxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Sun, 3 Oct 2004 16:55:34 +1000
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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