Way to Go Dan!
As you said it may not be pretty, but I for one, are impressed with your
results. Good job Dan.Keep up the good work.
C.A.G.
On Monday, October 23, 2023 at 03:41:54 PM EDT, cdkr...@gmail.com
<cdkra...@gmail.com> wrote:
Here's the best I can get the machine to do on a piece of redoak. It's what I
had...not a good choice. About 25% of the peaksgot knocked off on the second
(crosscut) pass. I'm cleaning upa section by hand to see if it can be done, and
some improvementseems possible. I used shellac to stabilize because the oil
madethe wood "stringy". Lots of clingy fibers sticking out after the cut.In
the hand work I'm finding out just how irregular the oak reallyis. One pass,
unidirectional. It ain't pretty, but if I needed grip, hooboi, this would do
it!
Next up to make an auxiliary handle for an old log crosscut hand saw. It
doesn't get checkered but the metal work will be a nice change.
DanK
On Sunday, October 22, 2023 at 12:13:37 AM UTC-4 Curt George wrote:
Very Nice Dan.Keep up the good work. ;-)
C.A.G.
On Saturday, October 21, 2023 at 03:24:42 PM EDT, cdkr...@gmail.com
<cdkr...@gmail.com> wrote:
This is today's effort. The previous tries had a comedy of errorsthat I
addressed to get this. Yes, I compensated for backlash,
adjusted index spacing to compensate for the smaller diameterwhere I cleaned
off the previous too small diameter. Oak is notknown to be a good checkering
choice, but it's what I had toplay with. Surprisingly sharp after the whiskers
are brushed off.I'll treat it with a polymerizing oil (Antique Oil) and wait
untiltomorrow to cut the LH grooves.
This really doesn't need the LH grooves to make for a tremendousgrip. This
would pull the skin off my hand before slipping in mygrip! Kinda cool as is.
DanK
On Tuesday, October 17, 2023 at 10:22:46 PM UTC-4 Tim Ziegler wrote:
Great concept Dan. Well thought out.
Kind Regards,
Timothy J. ZieglerZiegler WoodWork & SpecialtyZiegler Laser Worx LLC14171 160th
Ave.Foreston MN 56330
320-294-5798 shop320-630-2243 cell
On Tue, Oct 17, 2023 at 11:30 AM cdkr...@gmail.com <cdkr...@gmail.com> wrote:
For sure, Milt, I would prep the wood if working on a fine piece. As Tim
pointed out, I'm working on scrap to test the principle of pushing the REVOto
this extent.
This bit is as sharp as I know how to make one. It's a 60° cutter regroundto
an infinite point, then a relief grind behind the flat cutting surface
sneakingup on the cutting edge of the flat. Then two strokes on a fine Arkansas
stoneat an angle to relieve the tip. Once that's done, the now off center
cutting tip "wobbles" about 0.0001" so it doesn't just drag along. I learned to
do this working in the tool and die department at Jostens where extremely fine
detail was cut into the die blocks before they were hardened. It's not a
sheerdown cut which would minimize the fuzzing, but that wasn't a problem
inmetal!
The hand checkering tools finish out the cut at 90°, so the diamonds are low
and sharp. A 90° might do well enough in a prepared surface that touch
up wouldn't be required.
I set the depth using feeler gauge strips under the depth stop, but it's real
hard to tell when that sharp a point is at the surface. Yes, I probably was
cutting too deeply, at least in places. I found backlash in the driving spur,so
that didn't help.
Preparing an oak blank for 72 divisions of 18 LPI.
DanK
On Tuesday, October 17, 2023 at 12:28:59 AM UTC-4 bulk...@mmnet.com.au wrote:
Perhaps try cutting not so deep also soaking the wood in oil for a few hours
before cutting can greatly reduce chipping and tearing I do that
For some wood threads
Bill
From: legacy-orna...@googlegroups.com <legacy-orna...@googlegroups.com> On
Behalf Of cdkr...@gmail.com
Sent: Tuesday, October 17, 2023 9:15 AM
To: Legacy Ornamental Mills <legacy-orna...@googlegroups.com>
Subject: Re: checkering videos
Made tiny tiny chips today. Really bad choice of wood. Didn't think it would
crumble like it has. My other blanks are scrap oak pieces, and they might be
as bad. I'm going to adjust to a verified common checkering pattern of 18 LPI
selected from the range of available checkering patterns and tools that run
from 16 -32 LPI. And reduce the number of starts to 72 which gets me in the
same ballpark of work diameter, which my target is about 1 1/4" give or take.
This intersection piece should clean up pretty well. It's just real fuzzy.
The blue circled area is what I worked on for cleaning up. It goes fast and
the ridges are crisp in that area.
Lessons: 1. A progress chart of hole positions is crucial to success. 2. And
I am
pushing the limits of the REVO rigidity because you can see every little
inconsistency produced by tiny flexing in Z axis. 3. Choose better wood. Machine
cutting is different than hand cutting from scratch. But this, as tedious as
it is, is still
much faster to get accurate layout, me thinks.
I also restricted the data input for checkering lines per inch to what is
available for
touch up tools. It seemed like a good idea at the time.
Time to think of Christmas trinkets.....
DanK
On Sunday, October 15, 2023 at 10:43:05 PM UTC-4 Tim Ziegler wrote:
Thanks Dan
Kind Regards,
Timothy J. Ziegler
Ziegler WoodWork & Specialty
Ziegler Laser Worx LLC
14171 160th Ave.
Foreston MN 56330
320-294-5798 shop
320-630-2243 cell
On Sun, Oct 15, 2023 at 8:55 PM cdkr...@gmail.com <cdkr...@gmail.com> wrote:
The next video shows how I move the vernier arm after exhausting the span it
offers. 80 starts is a
good example to use because it requires the half degree resolution of the
vernier. So I have done
the first nine passes as this picture shows. No touchup on osage orange. Not
the best choice.
It looks rougher than it really is because the fuzz makes the cuts
look irregular. It is a bit due to flexing in the machine, but should clean up
nicely with checkering
tools. Which reminds me. My checkering tools are 18 lines per inch...so don't
ask my why I chose
21 lines for this sample! It's because.....well, you know.....
Now to move the vernier to the next step.
DanK
On Sunday, October 15, 2023 at 9:45:41 PM UTC-4 cdkr...@gmail.com wrote:
The first video is showing how I adjust the vernier positioning chart for the
80 starts I'm using on the
sample checkering. I suggest doing a print preview. "File>Print Preview" and
it will
show you what to expect. You can print it from the preview or go back to
"File>Print" from
the main menu.
Here is the first video which will be available in a little bit until I take it
down for the space.
DanK
On Sunday, October 15, 2023 at 9:37:56 PM UTC-4 cdkr...@gmail.com wrote:
I finally got the dynamic vernier index positioning chart workable. I can't be
sure of error free yet, but it works accurately for 80 starts.
It took me awhile to stretch my head around the expanded vernier operation on
these high counts. It turns out that one has to go around the index several
times in some cases. I had assumed it would be just once, like the simple
indexes, and that was a stumbling block. Because the vernier has to be moved
once the moves exhaust it's span, that creates a gap in the machining of the
workpiece. Not to worry, it finishes those gaps on the next go arounds.
I am debating about putting the three video clips together, but I think it does
better separately. This is not a video friendly site, so I'll put them on my
Google drive for a bit and post the links. This is how I will link the
description to help understand it's corresponding video. Not a pro
photographer, but I hope it explains the basics well enough.
I'm attaching the now versioned Legacy Pitch Chart V10.1 which has the dynamic
vernier positioning chart. It is set up with print ranges already, so once you
select the number of divisions to cut, the chart will adjust and you just print
it. It made it possible for me to keep track of what move I just did and what
the next one is supposed to be. Again, no guarantees if you use other than
Libre Office Calc.
DanK
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