Wow! It always seem that I miss out of all the good topic when I'm at work.
Brandon Much of what Tim said it 100% right, The lead screw rubbing on the
smooth part of the jam nut is not good,I think you will find that the screws
that attach the slip nut the carriage can be loosened and then brought back in
place, this might help the friction? on my 1000 the slip nut just barley
touches the lead screw, when I set mine, I used a piece of wax paper as a
shim.(.003 of an inch thickness.) now many lead screws have some sagging in
them due to warpage of the screw its self. (gravity is not always your friend.
the longer the screw the more it flexes.) But I don't think unless its a major
bend it will effect your machine much.
If you have any Dyna-Glide, use it, It really helps! SureShot (sold at many gun
shops ) has Dyna-Glide in it.
I have also been playing around with some homemade brews, of Liquid Paraffin
(lamp oil) and ...?
Lamp oil works ok, but it needs a dryer added to speed up evaporation, and so
far I have not found the right combo. (but I have not given up on it yet.)
Dyna-Glide not only helps with friction on the slides/rails, but also helps
rust form forming on the metal parts, like the lead screw, and my head stock as
well as tail live center/MT#2 (metal parts.)
I wish you good luck with your Play time and the Legacy. Like almost
everything , there is always more to the machine than what is seen at the
surface.
Live and learn.
Have a good night.
C.A.G.
----- Original Message -----
From: Tim Krause
To: legacy-ornamental-mills@googlegroups.com
Sent: Friday, November 16, 2012 3:58 AM
Subject: Re: Legacy 1000ex setup questions.
Another thought came to mind on the y-axis. Does it move smoothly without
the y-axis engaged? The acme screw being out of place can cause friction if
the mount for the split nut is rubbing against it. I'm just tossing out
obscure ideas at this point. :-).
What's the link to the split nut upgrade? I think what you are seeing was
the updated carriage installation instruction for the z-axis, not an actual
split nut upgrade. No benefit, simple a different location for using the new
style carriage on the old machines.
If I understand you, the acme screw is rubbing against the mount for the
split nut. You can find all the adjustment room you need in the brackets that
hold the acme screw. Adjust the screw with the carriage at both extremes (left
and right). If that does not work, you might need to look at the location of
the mount for the split nut. It might need to be shimmed or lowered. The
screw should be in the center of the mount. I'm assuming your screw is not
bent.
I have worked on several of Legacy's machines where they did not work out of
the box due to wrong parts included, or things where not machined right or the
machines where not built right by the owner. Sometimes you need to look at the
whole picture using your head to really figure out what the problem is. I've
also known several members to live with problems they never new where a
problem. That's where talking with others really helps.
I hope this helps some?
-Tim
----- Original Message -----
From: Brandon Khoury
To: legacy-ornamental-mills@googlegroups.com
Sent: Thursday, November 15, 2012 11:32 AM
Subject: Re: Legacy 1000ex setup questions.
I have already taken the sled apart and reassembled it, ensuring that
everything was square. I have not checked the long side rails, but they
wouldn't impact the friction in the Y axis. I'm pretty sure that my effort to
minimize movement of the router plate has resulted in the increase in friction,
not that the rails are out of square. I have a couple ideas to help reduce the
friction. I'll finally have a chance to play with a bit tonight. I'll let you
all know how it turns out.
Also, I downloaded a pdf from Legacy regarding a split nut up grade for the
1000ex long drive screw. It looks like the plate lowers the split nut slightly.
What is the benefit here? I noticed that sliding the carriage down the rail,
without the split nut engaged, makes a lot of noise because the two are in
contact. Kinda like running your finger across the face of a wire framed fan as
a kid. My assumption is that the upgrade will lower the split nut slightly to
reduce any unnecessary contact.
Talk to you all later.
Brandon
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