it does
Bill
----- Original Message -----
From: Tim Krause
To: legacy-ornamental-mills@googlegroups.com
Sent: Tuesday, August 26, 2014 8:24 AM
Subject: Re: Revo Owners
Like all the rest of the legacy machines, there is very little room to mount
a bearing. The Revo is no different. The more I look at it, the less possible
it becomes. I've never seen a thin section imperial sized bearing. Most
roller bearings for a 5/8" or 3/4" shaft have a 1-5/8" OD. Those have to be
mounted some way. Legacy made a custom mount for the CSB-202 style bearings
but smaller shaft bearing in the similar range are too big. Even my idea of a
needle bearing stuffed inside a thrust bearing needs a mount. That adds up to
almost 1-1/2" in diameter. Today I'm wondering why not use the lowly bronze
bushing? These have been inside of motor for a century. They do wear out, but
they are easily replaced. I hope this helps a bit without me drawing a bunch
of circles.
-Tim
----- Original Message -----
From: Bill Bulkeley
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, August 25, 2014 3:12 PM
Subject: RE: Revo Owners
Perhaps, i was thinking one tapered bearing and one strait bearing each end
of the headstock
With a bearing housing that bolts to a face rather than at right angles
like most bearings do
I haven’t looked what’s around it was just in my head
Can you post a sketch of your idea to show what you’re thinking of
Bill
From: legacy-ornamental-mills@googlegroups.com
[mailto:legacy-ornamental-mills@googlegroups.com] On Behalf Of Tim Krause
Sent: Monday, 25 August 2014 8:31 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: Revo Owners
This idea is way off the normal path, but curt once mentioned the idea of
needle bearings. The problem is they don't take thrust loads. We don't
generate high loads really in any direction, but what if we took a bronze
flanged bushing and installed a needle bearing in it. Now we can use shaft
collars that ride against the flanges of the bronze. We have just created a
super thin thrust needle bearing. This is 3:30 am thinking so I'd definitely
like to hear thoughts on this one.
-Tim
----- Original Message -----
From: Bill Bulkeley
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, August 25, 2014 2:28 AM
Subject: RE: Revo Owners
No to both questions if you check your revo you should see the travel
will go past centre
And I want ball bearings in the headstock for using with drive motors,
one on the headstock and one on the leadscrew like my larger mill has or will
have again
Bill
From: legacy-ornamental-mills@googlegroups.com
[mailto:legacy-ornamental-mills@googlegroups.com] On Behalf Of Tim Krause
Sent: Monday, 25 August 2014 7:14 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: Revo Owners
If I relocate the holes, do I need to find 1" of extra travel on the
y-axis? Have you really worn out your bushing on the spindle? I might have an
idea on a suitable bearing.
-Tim
----- Original Message -----
From: Bill Bulkeley
To: legacy-ornamental-mills@googlegroups.com
Sent: Monday, August 25, 2014 1:48 AM
Subject: RE: Revo Owners
Only move the both out 1inch more so the revo will be able to turn
8inch dia instead of just 6.
Six is not quite enough dia were 8 would cover most of what you would
turn. spacers that fit the back of each that also fit the rails with longer
bolts to the table nuts would do it.
And defiantly ball bearings in the headstock a slip on live centre
like I made once would take care of the tail stock end.
Bill
From: legacy-ornamental-mills@googlegroups.com
[mailto:legacy-ornamental-mills@googlegroups.com] On Behalf Of Tim Krause
Sent: Monday, 25 August 2014 5:42 PM
To: legacy-ornamental-mills@googlegroups.com
Subject: Re: Revo Owners
I had asked the question a long time ago if the head and tail stock
could be swapped on a revo. The answer is not without drilling new holes and
making an adapter to fill the larger hole in the tailstock. The headstock and
all the rest of the hardware can be swapped end for end. I will be
considering making a reversed tailstock for myself. Any thoughts?
-Tim
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