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Everything posted by difalkner

  1. difalkner

    Fusion 360 Adaptive Clearing

    I have used 2D and 3D Adaptive Clearing in Fusion 360 before but I've never used it correctly. The concept behind the toolpath profile is easy to understand but hard to commit to doing, at least it was for me. Each time I've used it with a 1/4" spiral bit, for instance, I've used a max stepdown of 0.20". So if I had a pocket that was 0.375" deep it took two passes to reach the bottom. And with the way the Adaptive Clearing toolpath works it is slower than other profile choices so it takes a while to clear a path. Well, today I decided to use it the way it was designed and that's to cut the full depth of the pocket in one pass. I had a very large Maple trivet to cut, 15" square, and doing it my 'old' way the toolpath projected time was 56 minutes. I changed the stepdown depth to allow for cutting in one pass and I cut the entire toolpath profile in about 20 minutes. And the shavings are large and clean - no burning or dust, just large chips like they're supposed to be. So here's what I cut - You can see the chips here - Full path completed - After 20 minutes of full depth cutting I touched the bit and spindle as soon as it stopped - it was cool to the touch. Trivet with mineral oil - David
  2. This window mounted fan support is a long overdue shop upgrade project. Every time I spray lacquer I had to rig the fan to stay in the window (it fell once and bent the blades). And it didn't work very well, either. As much air came in the window as the fan blew out. Also, every bug that got near the window got sucked in by the vortex on the periphery of the fan. This is much, much better! Enjoy! David
  3. I'm building a rifle display case and decided I would incorporate a hidden latch for the door. So I cut the feet, latch, holes, and pocket for the latch on the CNC. Sort of a different project, more just doing a little engineered machining with the most appropriate tool in our shop for that purpose. So here's a short video of cutting the pocket on the edge of the bottom board - Enjoy! David
  4. difalkner

    Hidden latch for rifle display case

    Build video - David
  5. difalkner

    Hidden latch for rifle display case

    Finally finished the display case. The good thing about a job where they tell you there's no rush is that, well, there's no rush. But I had a break in my normal activity so I pulled the display case out and finished it. David
  6. difalkner

    Window Mounted Fan For Spraying Lacquer

    LOL! My wood stash value with all the exotics exceeds that of the CNC, fwiw. Our insurance agent came over last year because she wanted some work done and she was blown away by all the tools and wood stash. She added a rider to our policy and it's all covered now (didn't cost much, either). It's fun here and I like participating, guys! David
  7. difalkner

    Window Mounted Fan For Spraying Lacquer

    No problem, John. Nobody here has bothered or offended me because I choose not to be offended or bothered. I have found the discussions interesting, occasionally far reaching, and in the end the fan mount is an improvement relative to what I had and will stay as is until it stops working or I blow up NW Louisiana, whichever comes first. I appreciate the fact that I can participate here - thanks for running a great forum! David
  8. difalkner

    Window Mounted Fan For Spraying Lacquer

    That's not near as efficient at removing the fumes quickly. I understand the principle and reasoning but that would cause the vapors to remain even longer and I think that would be worse. Getting rid of the odor quickly so it doesn't waft into the house where Sandy will have to endure it is paramount for me. I like it the way it is and will keep it this way but I am appreciative for the discussions and suggestions. As you were... David
  9. difalkner

    Window Mounted Fan For Spraying Lacquer

    Thanks for your concerns, Stick. David Edit - I added a disclaimer to the description ***Disclaimer*** This is not an explosion proof fan. If you're wanting to build a similar stand for your shop you should probably look into an explosion proof fan or other setups to prevent fire and explosions
  10. difalkner

    Window Mounted Fan For Spraying Lacquer

    Thanks guys, but I have thought this through and have been putting that fan in the window for the last 18 months. I just now decided to mount it so I don't have to jump through hoops to keep the fan on the window sill and to increase air flow. I realize it isn't explosion proof but when I spray it isn't very heavy and with the HVLP gun there's so little overspray and airborne material that it's gone in no time. Now if I was using a cup gun and filling the room with a cloud of vapors that would be a different story but I spray small items and it's over with pretty quickly. There's another window and it's open to bring in fresh air. Yes, the gas can has gas in it like millions of other guys have in their garages for their lawn equipment. I put the mower out on the back porch but if I put the gas can out there the plastic won't last and the gas will likely evaporate. It's a wood shop, no metal work, no open flames anywhere near the gas can that's been there going on 11 years. Is this ideal? Nope. But we don't have the budget or the space to build a dedicated wood shop out back or even a shed to put the lawn equipment and gas can in so this is going to have to do. David
  11. difalkner

    Source For Those Brush Skirts

    Mine is actually a bit too stiff, as well. But I make it work. David
  12. difalkner

    Subject Matter Fits

    I spray sanding sealer on the entire piece, sometimes two coats, then use thick acrylic in the recessed areas. I get virtually no bleed when I do that. I don't use Pine but I do this on Maple and it works just fine, so it'll probably work on Pine, too. But I'm set up to spray sealers and lacquers so it's pretty easy for me to do that. You could probably rattle can it without much issue. David
  13. difalkner

    Subject Matter Fits

    Looks nice, HJ! Are these for someone, prototypes, or just because? David
  14. difalkner

    Lets talk Photography 2- Lighting

    I just noticed this thread and thought I'd chime in with my two cents... When my son moved out in early 2017 I set his room up as a lightweight photo studio. It's nothing fancy but the advantage is that is stays set up and ready to use. I can walk in with an item, flip on any combination of lights and natural light from the window, snap the shot and walk out. In and out in a couple of minutes. When I need to I move the lights to the kitchen for cutting boards, out into the shop for certain things, etc. Exposure in the shot below is set more to show the lights than the cutting board. Most of my photos are for posting on forums and for Etsy so I don't spend a ton of time on them. David
  15. difalkner

    Source For Those Brush Skirts

    Yeah, I keep thinking I'm going to do the same thing but the one I built out of MDF and a $5 broom from Lowe's a year ago as a temp is still working - go figure! If I had been trying to build one to last it would probably have failed by now - LOL! David
  16. difalkner

    Source For Those Brush Skirts

    Strip brushes
  17. difalkner

    Source For Those Brush Skirts

    I think most everyone gets the brush strips from McMaster Carr. David
  18. difalkner

    Saturn Cnc Upgrade - Y Axis Spacers

    Thanks, Dave! I try to keep the text short so it doesn't get in the way but I do read through it multiple times as I watch the video to see if it's on the screen long enough. I watch videos full screen on YouTube and when I see text from other videos I just tap the space bar and that pauses the video. And if you're watching a YouTube video you can hit the left arrow to back up 5 seconds each time you hit it. I do that often, actually. 1. No, I didn't have to level the racks on the Y axis. The holes are very precise and have finite location. The X axis, though, is mounted differently. The holes in the rack are very precise but the nuts are free to float inside the 8020 extruded gantry. So on that I will have to make certain to push the rack all the way to one side or take measurements, if/when I add the spacer. 2. I'm using Royal Purple NLGI #2. I've never had a contamination problem. I do wipe the excess grease often, especially after I lubricate the machine. 3. When I built the machine I added an hour meter on the spindle run time and it's visible on the electrical enclosure door. But I basically lubricate every 6-8 weeks depending on how often I'm running the machine or just prior to a long run if it's been more than a month since the last lube. 4. About once a month I check all the drives to make sure the belts are tight, I'll put a wrench on several bolts to make sure they're tight (they all have Loctite blue on them), and I check the radiator to make sure I'm getting good airflow. But I check almost every time I run the spindle to make sure I'm getting water flowing back to the reservoir. Those Walnut 'doors' are actually plaques for an insurance company. They're large enough to be tops for end tables! But that's what they want in their lobby to show the companies they represent. David
  19. There really wasn't a need to do a video but I wanted to and that's about all the reason I need to shoot videos. The upgrade is to place spacers between the frame and the rack on the Y axis so that the pinion will achieve 100% engagement on the rack. As designed, the pinion had about 75% engagement on the rack because the rack is bolted directly to the frame and that means you can't utilize all of the rack or the pinion would hit the frame (better explained in the video). Several of us Saturn owners pointed this out to Nate and we discussed options for improvement. What Nate came up with is spacers that simply drop into place. I haven't had time to shut the CNC down but Friday afternoon all was quiet, no orders pending, and I figured this was as good a time as any. Good thing, too, because I got some Etsy orders today! Great! Anyway, here's the video on installing the spacers - David
  20. difalkner


    Very nice, John! I've never cut Corian but I've heard it machines nicely. David
  21. difalkner


    I'm kind of in the same boat as John. Since I started making the Longworth chucks and selling them on Etsy that's all I've been cutting. Not complaining, mind you! I've cut one or two other things and actually working on 3 projects that I'll make videos on but they aren't complete. David
  22. I posted photos of the Longworth chuck discs a couple of weeks ago but have finally gotten around to making a short video of the process. Nothing new or special but just wanted to do the video - David
  23. difalkner

    Longworth chuck

    I have never posted into this Wood Turners area, so I guess this is a first. A friend asked me to cut him a 16" Longworth chuck so today I tested my drawing that I did in Fusion 360 by cutting a 12" chuck. Looks like it came out just fine so I thought I would offer them in our Etsy shop. You can click on the link in my signature and see the offering but I didn't want to post a link like I was pushing it, just thought you lathe guys might want to see this - I used to turn a fair amount and still have my Oliver 8' bed lathe but it's not being used 'cause it's 3 phase and I don't have time to do any turning anyway. So if y'all see something in the Etsy listing that doesn't look right or that I have worded incorrectly I would appreciate a heads up. Thanks! David
  24. difalkner

    Longworth chuck

    Not really an alternative, Tom. The Longworth chuck is intended for light duty finishing to remove the tenon on the bottom of a bowl, for example. And from what I have read the suggested max speed is 500 rpm. I would say each has its place on the lathe but not interchangeable, at least for the most part. You can see one in use here - Longworth chuck demo David Edit - I'm a novice at turning, as well, and when I typed above I had another chuck style in mine. Yes, it's possible that the Cole jaws and a Longworth chuck are interchangeable. The Longworth chuck is infinitely adjustable from min to max whereas the Cole requires you to remove the grippers, choose another hole, and remount the grippers. Sorry for speaking before thinking - first time that's ever happened. Ok, maybe not...
  25. difalkner

    Longworth chuck

    Thanks, Gerald. And to demonstrate that I can still be taught, I tested the 12" chuck that I made earlier and it is limited in travel due to the short slots. I knew it would be but I just wonder if that's why there is a long slot, symmetrical version. Anyway, someone asked if I can cut them a 10" model so I drew today that and used the long slots - I like it much better. So thank you for making me think about it a little further. On our Etsy shop I may offer both and see which one folks prefer, because once I have the file it won't matter to me which one I cut. Here's the 10" model that will be on Etsy shortly (fewer slots in this one because you just don't need 8 when the chuck is that small) - David

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