Hello and Good morning Dan
Yes if the acme screw gets changed the split nut must also be changed. And if
you have that tap it would be an easy MOD. for the Legacy.I was looking an Mc
Master-Carr, Web site last
night.https://www.mcmaster.com/Shellaspx/precision-acme-lead-screws-and-nuts-6/
a 5/8x8 acme screw 3' long is $40.00 Now I think that is a pretty good price
for an experiment (even the 6' acme screw is not a bad price.) But, I need to
keep FOCUS on what and why I am doing this. De-creasing the pitch of the
Legacy is good for small turnings, but for large spindles it would not be
anything useful. Luckily for me, my machines both have rod couplers on the
acme screw/ends, all that I will need to do is cut the new rod to length and
install it in the placement of the 5/8x4 original screw. then make a new slip
nut to fit onto the legacy's bracket. Very little needs to be changed. and it
would be an easy MOD to change back if and when needed.I am glad you too like
this idea. I think it will work out fine? But for those who do not own a motor
drive on there Legacy, de-creasing the pitch would also increase the amount of
cranking that handle to move the carriage.
Now as for me, the Vitric is still not in on this idea. But I am really
starting to worm up to this idea. It just might be a go for me?
Have a GREAT DAY.
C.A.G.
On Wednesday, March 22, 2023 at 07:45:40 AM EDT, Dan Krager
<[email protected]> wrote:
Curt, I am convinced that your idea of doubling the pitch on the lead screw
will open up a lot of new possibilities and work just fine as long as you
change out the half nut too.
Hoo boy. Now I gotta buy a 5/8 x 8 acme tap! LOL!DanK
On Wednesday, March 22, 2023 at 1:05:49 AM UTC-4 Curt George wrote:
Thank you Both Bill and Roger for the nice comments.
I do enjoy working with bone, and there will be more coming soon.
As a side NOTE: I would like to know your opinion on this idea.
The Legacy was designed to turn large spindles.(mainly furniture at the start.
) but I am finding that on smallparts the Acme screw and gears are all to much
for detailed work on Small turnings.I've been playing around with the idea of
replacing or adding a new acme screw with a finer pitch, on my Legacy 200.Lets
say If I add a 5/8x8 screw, on this machine, It would reduce all gear pitches
by 1/2. (So a 3" pitch would become a 1 1/2" pitch, and a 2" pitch would become
a 1" with a standard gear set, and using the .25 gear set, a 1/2" would become
1/4" .)
Dose anyone have any thought on this idea? I am really thinking of trying it
on my 200, (mainly due the short length/ size of the screw,) It should not be a
lot of money to buy a small acme screw, and it would not be a hard change over,
and it would be, easy to re-store the original screw if or when needed.
What do you guys think???
C.A.G. On Tuesday, March 21, 2023 at 04:14:09 PM EDT, aussiman
<[email protected]> wrote:
A strategic design modification and all is wellagain producing another fine
handle from the bone master well done curt greatwork
Bill
On Tuesday, March 21, 2023 at 11:37:21 AM UTC+11 Curt George wrote:
Hello Everyone.
Today is my day off form work.
(I am doing a side job for a friend, A stacked leather handle for a
knife.)(More on that latter if you all like?)
While the glue is drying on one project, I figured it would be a good time to
trying some more new design, ideas with a new bone handle. I roped form the
side of the spindle using a 1/4" straight bit. (Note: I turned the shape on the
200, and then used my 1000ex to rope the flutes.)My original plan was to make a
12 flutes on a rope pitch form the side of the spindle. (3" pitch) but, On the
second cut, the part moved/ slipped on the mandrel.So in an attempt to save
this turning, I tightened the lock nut on the mandrel, And went around a second
time, making it 24 flutes. Adding 12 more flutes, takes away a lot of detail,
but I think it will still make a nice gift when done.More later. Have a good
night everyone.
C.A.G.
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