Well, you needed an excuse to buy a mill anyway. You
won't regret having one.
Frank Hoose
--- Nick DeFeo <ntdefeo@...> wrote:
Thanks for the site Frank, now all I need do is
purchase a mill and some extras to accomplish this
task! Nick
Frank Hoose <fhoose@...> wrote:Rick Kruger
has posted some info on aligning the ts:
--- Nick DeFeo <ntdefeo@...> wrote:
Roy:
Should the material be removed from the base
or
the tail stock casting, or both? I imagine it will
require setting either piece accurately in all
three
planes prior to cutting. How should the base be
checked on the lathe prior to milling? What
methods
have others used to determine squareness in regard
to the bed? I appreciate all your help in getting
this lathe up to an acceptable level of accuracy.
Best regards, Nick
"roylowenthal <roylowenthal@...>"
<roylowenthal@...> wrote: My choice would
be
cutting on the tailstock. A number of people
have found that the tailstock machining is not
parallel to the
bed/headstock axis. You've now got room to
correct
errors without
having to shim the tailstock after machining.
Roy
--- In 7x12minilathe@..., "ntdefeo
<ntdefeo@y...>"
<ntdefeo@y...> wrote:
Good Afternoon All:
Finally got most kinks out of my alignment
problems with
replacement parts from Homier. Headstock,
saddle,
cross-slide and
compound assemblies were replaced. Accuracy is
dramatically
improved,
although new problem is headstock is 0.015"
lower
than the
tailstock.
What would be the preferred method of
correction?
Should I shim the
headstock, and if so, is there a difference in
brass vs. steel
shims?
Or, should the tailstock base be carefully cut
down? Replacement of
the parts has improved accuracy greatly, but due
to this height
difference, I get a slight chatter and taper
0.0055" on a 9.5"
length
of stock. I attribute the chatter to the height
difference as the
tool advances toward the headstock. If you
advise
that shimming the
headstock is the preferred method, I would also
consider upgrading
the spindle bearing to ABEC-3 units, in
contemplation of eventually
using a 4 or 5" 4-jaw chuck on this lathe. Have
any of you changed
these bearings? If so, any notable difference in
how the lathe
sounds/operates? Any suggestions/recommendations
would be greatly
appreciated.
Regards,
Nick
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