Want to know all the steps for making the best shellac available, read this next. However, with that being said, a more traditional standard grind offers better results when confronting problematic end-grain. I actually bent(twice) my gouge that I bought years ago to accompany my original machine. The tear out can occur with very dry, or “punky” (brittle wood fibers) wood. Due to the materials used, each coaster will have a unique pattern. Dust Collection, Safety and Plant Operation, Job Opportunities and Woodworking Services, Soaking the piece in a sizing or finish solution can stiffen the material for cleaner turning results. A couple ways to deal with this is to sharpen your bowl gouge very well during the last few cuts. , Check out these other important articles as well:• FINISHING CUT – WOOD BOWL TURNING BEYOND THE BASICS• 5 WORST TENON SHAPE WOOD BOWL• 13 WAYS TO RUIN A WOODTURNED BOWL• 9 STEPS TO SHEAR SCRAPING PERFECTION BOWL GOUGE TECHNIQUE. I like the smell of the shop when I turn Oak. Is there a way to turn this stuff cleanly without plasticizing? This was about the time I decided to join the local turning group. I’m so glad you found this and you’re seeing good results. See more ideas about wood lathe, wood turning, wood turning projects. Why had I been turning that rough punky pecan all this time? I love wood and woodworking. End grain drives me crazy. 2 things come to mind to try. The more porous the wood, the more likely it is to splinter. But, tearout is a router bugaboo you’ll want to avoid at all costs. Off to research Negative Rake Scrapers next…. At the time I had no idea, and I guess the fortunate thing was I didn’t know I was lucky. There are many ways to address this issue including using sharp tools, cutting with the supported grain, speeding up the lathe, changing angles, and even treating the surface. Great article! Nothing ventured - nothing gained. Wood Turning tool Carbide Tipped Working Lathe Tools; ... * The straight edge of the cutting edge carries out the chip severing. A more gentle and cleaner cut is made, rather than the scraper meeting the bowl surface at a flat 90-degree angle. My. Click here to Get Started. I do eventually hope to join a wood turners club in the area at some point but because of the current situation all these activities are suspended. Thank you for writing and your kind words! Sand any trouble areas still remaining with focused attention. In pine the chisel has a much better chance of tearing through more of the wood which reduces the initial impact of a catch. You might think that 300 to 500 r.p.m. Acacia wood & resin. Yes, if those loose ends don’t cooperate, treating them is a great solution. great advice,will save me a lot of time and frustration. Speed up the lathe if necessary, slow down the tool feed. Spindle gouge. What I didn’t know, because I hadn’t turned any other type of wood, was that pecan is notoriously punky and problematic for producing grain tear out. I’m getting the hang of riding the bevel on the side grain but the end grain is quite a challenge for me. One end of a chipped spot is usually pointed and smooth and the other end is squarer and looks broken. see my bowl gouge sharpening article for more information. Let me know if that also helps reduce the tear out. One turner even put dye in the acrylic. Turning up the lathe speed makes it more difficult for the tool to repeat bad behaviors and instead it will start to create new clean cuts. Second. If your angle on your gouge is at its optimum, your tool handle is long, your tool rest is about 1/4" away from the wood, and you use a shearing cut at the correct angle and height above the tool rest, you won't create tear out any bigger than the cut you are making. I turned and turned, or instead, ripped and ripped that pecan over and over. I like the lathe speed to be around 1500 RPM. Try cutting in the opposite direction. 875 to start and up to 1200 to shape etc. And remember, if you’re wondering if you need to sharpen, the answer is YES and now. Shear scraping is a bowl gouge technique that feels foreign and odd at first but is incredibly valuable for creating a smooth finish. Quickly forcing the bowl gouge across the surface will usually result in grain tear out. Set of 4. Think of an old-school paper cutter. Wear a respirator - dust from spalted or rotten wood can be dangerous. Okay, let’s start with the basics. (Furniture Making Forum) Also, you could relieve the sharp corners with a rasp before routing which can sometimes relive tear out. Don’t let tearout spoil a perfectly good piece of wood… or your peace of mind. Ill try to explain the problem, but without going into a lot about the particular turning. Numerous neighbors stopped by and were eager to use the essence of that beautiful pecan to smoke various animal carcasses. Nov 29, 2020 - Explore Larryfetterman's board "Wood lathe", followed by 375 people on Pinterest. Do not sand with the lathe on as this will only increase any tool mark hills and valleys. Charlie, Newtonville, Ontario. The first thought might be, “perhaps a little sanding can fix the problem?” Not quite, these pits are more than they appear. Ready for your wood bowl adventure? In general, I never turn faster than 1,000 r.p.m. How was I to know? From contributor J: More Splintering and Tear-Out Tips. That still makes me shake my head. The shellac will harden the soft, loose fibers and present them better to the sharp bowl gouge. It didn’t matter that I’d never worked with this type of wood before, I knew it had to be good. I’m now working exclusively between 250 to 800 rpm. Thanks for writing. Imagine the end grain fibers like little hairs. Some are soft and kind of punky. Question The fibres are not cut, but torn apart. What I was especially excited to read was the wood treatment for punky wood. Having watched a few experts making the entire process look effortless. Lighter, slower cuts are the hallmark of making great finishing cuts. Hey! Plane from the broken end to the pointed end. The blade drops down at an angle and makes a clean cut. With each rotation of the lathe, the end-grain or ends of these “straws” will pass by twice, once for each end of the tubes. On the other hand, if you really want to learn (or torture yourself) find some old ratty and punky pecan (or similar wood) to turn. However, when the blank is really open, I use polyurethane glue because it expands into the burl and provides a mechanical bond. And if all else fails, try turning a more forgiving wood. Like little limb hairs, some wood end grains need a boost to position them for a clean cut. Think about drawing a sharp knife across a sheet of paper. Acrylic is, after all, plastic. Here is an article specifically about the angles of the bowl gouge bevel, it’s an important read. Imported. I encourage you to learn more about shear scraping by reading this article about perfecting the bowl gouge shear scraping cut. article about making supported grain cuts. A process discovered by Hawaiian woodturner Ron Kent often allows better turning of bowls from green wood. The pockmarks are gaps or holes where some end-grain fibers have been ripped out completely. Also, try turning a bit faster, but not too fast and slow down the pace of your cut. How can I avoid grain tear out on a wood bowl and get a good smooth final surface? Specifically, soaking rough turned bowls in a simple solution of one-sixth concentrated dishwashing detergent greatly aids in turning, reducing tear out from the tools and greatly reducing checking in the final drying. 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