Great work Dan, I'd assume the oil will toughen up the wood fibers then? 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 Sat, Oct 21, 2023 at 2:24 PM cdkr...@gmail.com <cdkra...@gmail.com> wrote: > This is today's effort. The previous tries had a comedy of errors > that I addressed to get this. Yes, I compensated for backlash, > adjusted index spacing to compensate for the smaller diameter > where I cleaned off the previous too small diameter. Oak is not > known to be a good checkering choice, but it's what I had to > play with. Surprisingly sharp after the whiskers are brushed off. > I'll treat it with a polymerizing oil (Antique Oil) and wait until > tomorrow to cut the LH grooves. > This really doesn't need the LH grooves to make for a tremendous > grip. This would pull the skin off my hand before slipping in my > grip! Kinda cool as is. > > [image: Capture.JPG] > 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. 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 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 >>> REVO >>> to this extent. >>> >>> This bit is as sharp as I know how to make one. It's a 60° cutter >>> reground >>> to an infinite point, then a relief grind behind the flat cutting >>> surface sneaking >>> up on the cutting edge of the flat. Then two strokes on a fine Arkansas >>> stone >>> at 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 sheer >>> down cut which would minimize the fuzzing, but that wasn't a problem in >>> metal! >>> >>> 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 <(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. >>>> >>>> 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...@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...@googlegroups.com. >>> >> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/legacy-ornamental-mills/b22956ad-450d-4c6d-a339-1602fbb46a15n%40googlegroups.com >>> <https://groups.google.com/d/msgid/legacy-ornamental-mills/b22956ad-450d-4c6d-a339-1602fbb46a15n%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/fc4f7539-344d-4500-b595-cd74429fddc7n%40googlegroups.com > <https://groups.google.com/d/msgid/legacy-ornamental-mills/fc4f7539-344d-4500-b595-cd74429fddc7n%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/CAMBiJLGM393rCigkd0ocpWwtxuLKZmtrJMYiaxfoeQDyQAYGCw%40mail.gmail.com.
