Sounds like some sound advice, but assuming Dan only wanted to test on some scrap wood. It would be good to try some stabilized wood too.
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 Mon, Oct 16, 2023 at 5:52 PM Milt Engelke <mengel...@gmail.com> wrote: > I might suggest that a bit of wood preparation would also be in order for > doing such fine checkering. Checkering as you are attempting to do is > often done of fine and high-end gun stocks for which they obviously use the > hard wood (Black walnut, English walnut, sugar Maple to mention a few) but > only after the surface has been well sanded (3-600+ grit) and pore space > filled with various finishes (such as PERMALYN ). This hardened surface > will not be as likely to chip out and will give you excellent peaks and > valleys when you cross check. Just my two cents worth. > ------------------------------ > *From:* legacy-ornamental-mills@googlegroups.com < > legacy-ornamental-mills@googlegroups.com> on behalf of cdkr...@gmail.com < > cdkra...@gmail.com> > *Sent:* Monday, October 16, 2023 5:14 PM > *To:* Legacy Ornamental Mills <legacy-ornamental-mills@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. > [image: Checkering4.JPG] [image: Checkering5.JPG] > 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 <(320)%20294-5798> shop > 320-630-2243 <(320)%20630-2243> 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. > [image: Checkering3.JPG] 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 > <https://drive.google.com/file/d/1D13KWyNWbvLy_1e8H-gr0LHaE-GJCZZW/view?usp=sharing> > 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 > <https://drive.google.com/file/d/15C2zrueB6u3XI3ax3em1S5PiSfyHjoVi/view?usp=sharing> > 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 > > > -- > You received this message because you are subscribed to the Google Groups > "Legacy Ornamental Mills" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to legacy-ornamental...@googlegroups.com. > > To view this discussion on the web visit > https://groups.google.com/d/msgid/legacy-ornamental-mills/cca9b5ae-fd00-4f3a-8582-98dce7be9427n%40googlegroups.com > <https://groups.google.com/d/msgid/legacy-ornamental-mills/cca9b5ae-fd00-4f3a-8582-98dce7be9427n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "Legacy Ornamental Mills" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to legacy-ornamental-mills+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/legacy-ornamental-mills/b12acd2e-b011-4ee0-9595-b727e1152e93n%40googlegroups.com > <https://groups.google.com/d/msgid/legacy-ornamental-mills/b12acd2e-b011-4ee0-9595-b727e1152e93n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > > -- > You received this message because you are subscribed to the Google Groups > "Legacy Ornamental Mills" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to legacy-ornamental-mills+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/legacy-ornamental-mills/SN7PR20MB57957B5EED982E05BA98BA03F6D7A%40SN7PR20MB5795.namprd20.prod.outlook.com > <https://groups.google.com/d/msgid/legacy-ornamental-mills/SN7PR20MB57957B5EED982E05BA98BA03F6D7A%40SN7PR20MB5795.namprd20.prod.outlook.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "Legacy Ornamental Mills" group. 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