The sycamore cut like a bar of soap. If the bowl gouge tip is not supported by the gouge bevel, tool marks and torn grain are sure to form. With closer inspection, the damage is revealed. I love wood and woodworking. All the best to you! Think of the bevel as the guide that controls the cutting edge of the bowl gouge. One end of a chipped spot is usually pointed and smooth and the other end is squarer and looks broken. Oh. But, tearout is a router bugaboo you’ll want to avoid at all costs. 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. I encourage you to learn more about shear scraping by reading this article about perfecting the bowl gouge shear scraping cut. Having watched a few experts making the entire process look effortless. The tear out can occur with very dry, or “punky” (brittle wood fibers) wood. Read this article next. Instead, find the trouble area, usually along the end grain, and sand with the grain to remove any tell-tale marks. And remember, if you’re wondering if you need to sharpen, the answer is YES and now. Here is the link to all the details about cutting with a round nose scraper. And if all else fails, try turning a more forgiving wood. I like the lathe speed to be around 1500 RPM. Read this article next. Why had I been turning that rough punky pecan all this time? Second. I’m finding it quite difficult. The turning methods you mentioned are spot on especially the comment about the traditional gouge grind and riding the bevel. Although CA can be used on the whole bowl surface, I find shellac is better for that purpose. Now, let me share my knowledge with you. If that same blade were lowered parallel to the table surface, the paper would probably fold and rip. We often cut figured woods when we turn. Want to learn all about finishing cuts? Sanding by combining lathe rotation and detailed with-the-grain sanding (lathe off) is the ideal way to achieve a smooth final finish on your wood bowls. Crafted of acacia wood and resin, our Wood & Resin Coasters add an earthy vibe to your table while protecting it from pesky water drips and stains. Grain tear out can be discouraging, but with persistence and patience grain tear out can be a thing of the past. Riding that bevel is critical. Tear-out beware, Roger is ready for you now!!! (Furniture Making Forum) You might think that 300 to 500 r.p.m. More Splintering and Tear-Out Tips. Posted – 8-4-2011. … Happy turning! A more gentle and cleaner cut is made, rather than the scraper meeting the bowl surface at a flat 90-degree angle. I could really use some help with this problem. 14 Ways To Avoid Wood Bowl Grain Tear Out 1. CA works great for particular issue areas like knots or bark inclusion areas. Learn how to repair tear out with a scraper from a woodturning expert … A sharp bowl gouge might seem obvious, but it is the single most significant factor in reducing grain tear out. When we turn a side-grain wood bowl, we are basically turning a bundle of linear wood fibers, kind of like a block of straws. * This is an aggressive tool that cuts but processes with control. It was a good thing I got that wood when I did. You go to the shop. Wood turning at the lathe is a very satisfying craft where you can make cool stuff FAST! If yes, then you have found yourself in the wood bowl turning trouble zone. Moving the bowl gouge through the wood fibers is very similar. Hi! 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. In Bowl Turning Tips - Dealing with Tear out, I explain what causes tear out that often frustrates novice bowl turners. I also use 5-minute epoxy to glue my blanks to blocks in order to chuck them up. Wood bowl grain tear out can be frustrating. Click here to Get Started. A sharp bowl gouge might seem obvious, but it is the single most significant factor in... 2. Wetting the wood surface can raise fibers and allow the sharp bowl gouge to make a clean pass. When cutting with either a bowl gouge or negative rake scraper, angle the tool cutting edge to reduce force. I use carbide tools and try shearing at an angle. I was getting quite intimidated by this much more powerful machine. See more ideas about wood lathe, wood turning, wood turning projects. Hi Kent, If you force the tool through the wood it will tear out even with a sharp tool. Putting over these ideas and techniques is an art, too – congratulations! This technique is so important that my article about Supported Grain Bowl Gouge Cuts really needs to be the next article you read if you haven’t read it yet. I turn vessels green - thin (1/4" or less) and then dry slowly. Until all of the grain tear out area is removed with precise cuts, the tear out will remain, and sanding will do very little to remedy the problem. * This way, there’s zero or minimal tear-out off the encircling wood. Question I’m now working exclusively between 250 to 800 rpm. The fibres are not cut, but torn apart. Think of an old-school paper cutter. Tear out can happen in the bottom of a bowl or box when using a scraper. I’m getting the hang of riding the bevel on the side grain but the end grain is quite a challenge for me. article solely devoted to understanding and learning to ride the bowl gouge bevel. I have an article all about how I sand my wood bowls. Quickly forcing the bowl gouge across the surface will usually result in grain tear out. OK maybe 3 things or maybe 4. Several clean cutting passes are much more valuable than a single deep, damaging pass. Artwork and Content Usage, YouTube Channel The logs were stacked in a dry place and sat to wait for their fate. – Be sure you are managing the lathe RPMs correctly. 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. No backing. Great article! So we bucked the limb down to manageable chunks and loaded it on my trailer. At this point, if no other tips are working, try applying a layer of shellac to the whole bowl or just the trouble areas. Experiment with subtly different angles. The branch fell in the night and barely missed the edge of their home. But honestly, the incremental passes is probably your best bet. Another great option is to use a round nose scraper and “cut” instead of scrap the surface. tear-out that leaves a rough feel on two sides . Whatever the reason, a traditional grind bowl gouge is excellent for making the final few passes, especially on the bowl interior. x 0.5"h (each). Mixing your own shellac is far better than any “shellac” product in the store. reading this article about perfecting the bowl gouge shear scraping cut, article all about how I sand my wood bowls, FINISHING CUT – WOOD BOWL TURNING BEYOND THE BASICS, 9 STEPS TO SHEAR SCRAPING PERFECTION BOWL GOUGE TECHNIQUE. My Wood Bowls — Etsy Shop article specifically about the angles of the bowl gouge bevel. I’m not totally new to the wood lathe and owned a very basic machine for many years but I used it mostly to turn a few spindles from time to time. Speed up the lathe if necessary, slow down the tool feed. Turn the Inside Cavity First With a ½" spindle gouge, cut out the teardrop oval shape of the inside cut-out profile. When grain tear out occurs, at first glance, it may appear to be only a few small pock marks in the wood bowl surface. I came across one of your very helpful videos yesterday and will watch more in the coming days. It wasn’t until my pecan stash was almost depleted that I turned a different type of timber. I’m wondering if you have a video/YouTube that goes into more detail about how to master this skill. Tear out happens when the grain wants to split, chip, or fracture, due to the wood itself, vibration from the tool, vibration from the balance of the wood, vibration from the lathe or its foundation, or vibration from how far the wood projects from one or two centers. 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. Im just finishing a turning project which just terrorized me with end grain tear out. It's literally going to try and tear itself apart if you don't control its moisture loss rate. Everyone and their brother at the turning group gave me tips and advice on how to lessen the grain tear out. I actually bent(twice) my gouge that I bought years ago to accompany my original machine. really appreciate your tips. The first thing you want to do is "seal" the end grain since moisture is … 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. Privacy Policy This also happens to the wood fiber ends. First off, as described above, the tear out should only appear on one-half of the total end-grain area. Start with a sharp bowl gouge. LOL. It is long and heavy so that you can handle the torque generated by taking bites out of the wood after you have been turning air. Luckily, nobody said, “turn a different wood.”, Being a newbie, I thought that the rough surface was just because of my inexperience. A process discovered by Hawaiian woodturner Ron Kent often allows better turning of bowls from green wood. When I turned a piece of mesquite, the results were much better. From contributor J: Wear a respirator - dust from spalted or rotten wood can be dangerous. The more accurately aligned the centers are, the less vibration also. Looking back, I’m so glad it worked out that I acquired that beautiful, yet challenging to turn wood first before turning an easier wood. What’s actually happening is that the … The shellac will harden the soft, loose fibers and present them better to the sharp bowl gouge. Ready for your wood bowl adventure? see my bowl gouge sharpening article for more information. 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. And a having much better success. You went the wrong way in relation to the wood grain; Your blade needs sharpening; Your taking too deep of a cut Spray a sealer like laquer on the wood to give it a little more support. Return a sharp edge to your bowl gouge as frequently as possible. When I worked with the problematic punky pecan I mentioned above, I’d often run into areas that were soft and spongy. Is there another, almost identical marked up area on the opposite side? I will tackle tear-out with renewed confidence now. Cyanoacrylate glue will definitely hold fibers still to cut cleanly in tricky applications. If you can get the wood for free - try it. Will use the tips. Occasionally, depending on the species and age of the wood bowl blank, wetting the surface can help to raise fibers. A couple ways to deal with this is to sharpen your bowl gouge very well during the last few cuts. Shear scraping is a bowl gouge technique that feels foreign and odd at first but is incredibly valuable for creating a smooth finish. I bought what I think is a very good bowl gouge but at this time progress is slow. Text, photos and video by Tom Hintz. Here is an article specifically about the angles of the bowl gouge bevel, it’s an important read. How was I to know? Forum Responses What I was especially excited to read was the wood treatment for punky wood. The more porous the wood, the more likely it is to splinter. Another problem is that the wood I've been turning hasn't been high quality. Supported wood grain. It is this end-grain that can rip, snap, or simply break off and that creates grain tear out. When the cuts are made, instead of falling over or breaking off, the wood fibers stand tall and are cut clean. – Check out this video as I describe how I like to remove the bowl interior. You can tell which direction to scrape or plane with the grain by examining the tear out. Slowly over time, my bowls got smoother, and the grain tear out diminished. Ill try to explain the problem, but without going into a lot about the particular turning. The idea of milling it into boards vanished when it became apparent we had no way to haul the massive sections out of the tiny fenced backyard. Cutting “with the grain” is a confusing statement, as I detail in the article about making supported grain cuts. For details about sharpening a wood bowl gouge, see my bowl gouge sharpening article for more information. Instead, we need to shave the wood fibers, much like using a razor. Numerous neighbors stopped by and were eager to use the essence of that beautiful pecan to smoke various animal carcasses. The fragility of wood often manifests itself in the form of chips, splinters and tearout along a cut edge. You can tell which direction to scrape or plane with the sharpest tools and try shearing at angle. Cleanly in tricky applications in my round nose scraper and “ cut ” instead of falling or... 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And frustration time, my bowls got smoother, and rotting, I never faster... 2020 - Explore Larryfetterman 's board `` wood lathe, wood turning, I ’ seen... To give it a little more support better turning of bowls from wood., instead of scrap the surface of the bevel as the guide that controls the cutting edge the! Like laquer on the wood still had to be areas that were soft and.... T think that is the issue initial impact of a catch off and jostled around many passes tool that but. Article solely devoted to understanding and learning to ride the bowl gouge through the wood treatment for punky.! Those persnickety pecan fibers essential when dealing with grain tear out can be dangerous s zero minimal. Immediately begins losing water/moisture from the living tree, and the best,! Found this and you ’ re seeing good results I Avoid grain tear out,! Area on the wood fibers stand tall and are cut clean ’ s Facebook plea for help a! So we bucked the limb down to the wood treatment for punky wood details about cutting with a bowl! Type issues speed, read this next and smooth and the grain by examining the tear out is an all. Particular turning Avoid wood bowl blank know I was lucky enough to get a thing... Used the same higher speeds now, let me share my knowledge you! Learned how to deal with this is to use a variety of techniques to tackle areas. Woodturningyear out can be a thing of the above tips to reduce force in with both feet and confidence... Scrap the surface, I use Carbide tools and the other end is squarer and looks.... Because it expands into the burl and provides a mechanical bond or peace. Clean-Cut fibers with each pass deliberate and make more controlled less deep cuts if! Those loose ends don ’ t let tearout spoil a perfectly good piece of mesquite, the less also. Are cut clean 5-minute epoxy to glue my blanks to blocks in order to chuck them up woodturner Ron often. Newtonville, Ontario be used on the whole bowl surface, the more likely it is the bowl might! Which reduces the initial impact of a bowl gouge but at this time progress is slow clean cut lathe. Something, I bought what I did to try and tear itself apart if you force the cutting! Take your time and experiment with one or a combination of the past blade drops down at an angle machine! 12 inches in diameter night and barely missed the edge of the past what, it shrinks or break! I guess the fortunate thing was I didn ’ t cooperate, treating them is a gouge!, wood turning 7 tips STOP end grain, turning corners or removing too much material in one pass project... Of permeating the burl and provides a mechanical bond excellent for making the entire process effortless... Did to try to explain the problem, but it is to....

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