The trick to using a cabinet scraper is its preparation. The steel must be hard enough to hold an edge, but malleable enough to be able to create a hook or burr.
If there is an old hook, file the sides flat as well as shown in the image.Once filed, you need to remove the file marks with a medium to fine diamond or waterstone, (about 800 or 1000 grade).
You’ll need to make three or four passes, increasing the tilt of the burnisher each time.
Push down on the burnisher while sliding it along the scraper’s edge. A tilt of about 10° is sufficient. Lay a bastard file on a workbench and file the scraper’s long thin edges flat, smooth and at 90 degrees to the sides of the tool.Polish the two sides and the narrow edge on a sharpening stone. When the scraper starts creating dust or begins to chatter, it needs reburnishing.
Pause frequently to brush away the curls and check your progress. Bend it slightly and lean it forward so the edge of the hook makes contact with the timber.
The use of a cabinet scraper will significantly reduce the amount of sanding needed to complete a project, and give a much better foundation for your finish. Be careful to maintain the 90° angle.
To avoid cutting grooves in the surface of your waterstone, use the narrow sides to hone your scraper.
(The metal you use for burnishing needs to be just a little harder than the scraper.) When you say, "Hold the scraper in a vice and draw the burnisher across the edge of the scraper", I don't understand what you mean by that. The burnisher’s harder steel presses the scraper’s edges to one side to create the cutting edge.
The surface is highly polished to ensure that the hook is smooth and free of tears that create scratches.Hold the scraper in a vice and draw the burnisher across the edge of the scraper. Would you clarify one little bit, please? The scraper loses most of its edge after just 10 minutes of use, so burnishing (sharpening) the scraper is an essential part of it use.
How to sharpen cabinet scraper without burnisher?
About: Australian Wood Review is Australia’s premier woodworking and woodcraft magazine. This will act like a small plane blade.To make the hook you will need a burnisher. Lock the scraper in a vice and, using a fine flat file, draw it across the edge, being careful not to create a hollow.
This removes the burr created by filing and leaves a sharp 90-degree angle along the scraper’s edge.Use a burnisher ($10)—or the shaft of a chisel, carving gouge or screwdriver—to create the cutting edge.
Looking at your example photo, do you mean to hold the burnisher in that position and pull it toward you, or do you mean to to move the burnisher in some other direction? A cabinet scraper may be used to smooth hard timber with difficult grain that is subject to tearout or fiddleback. A cabinet scraper may be used to smooth hard timber with … There are a few products on the market—I use the Veritas Tri Burnisher or the Veritas Variable Burnisher. Perpendicular to the long edge?
4 years ago
Medium pressure is all that is required.If your scraper has been sharpened properly, it will produce fine shavings rather than dust.
Now test the scraper on a piece of scrap wood.Hold the scraper in both hands, angled toward you, and flex it to create a slight belly in the center as you pull it along the wood. 4 years ago This is a much harder steel rod than the scraper, about 62-64 on the Rockwell scale.
Make three to four passes with the burnisher and feel the scraper’s edge with your finger; stop burnishing when the edge feels like a light wire.
A cabinet scraper is a piece of flat steel, that, when sharpened correctly, will produce fine shavings. Also really good pictures.
This angle should be no more than 45°—if you need to lean it more than this, the hook is is probably too acute, and has been applied with too much pressure. 4 years ago
It is hard to imagine how such a simple and inexpensive tool can make such an impact on the quality of your woodworking.A cabinet scraper is a piece of flat steel, that, when sharpened correctly, will produce fine shavings. Press down firmly—if the edge is sharp, you’ll cut thin curls like a plane.
Hold the burnisher at a similar angle across the edge to the one shown,
Cabinet scrapers are one of the most effective tools in your workshop and, when tuned properly, they are capable of producing a lustrous finish on most timbers. Almost any smooth and polished hardened metal tool will help to turn the burr in most scraper blades. The edge must be straight, clean and at 90° to the flat sides of the scraper. Press down firmly—if the edge is sharp, you’ll cut thin curls like a plane. You can use chisel backs, screwdriver shafts, and old valve shafts as a burnisher for scrapers made from softer steels such as saw blades. In heavy use, a sharp scraper can get hot and burn your fingers. Once you are happy that there is no hook left at all and the edges are clean and sharp, it’s time to create a new hook, see image.Although at this stage the scraper is already sharp, you need a hook to achieve a fine shaving.
It can remove machining marks or even out marks left by the sweep of a handplane.This is a simple but effective way of achieving a good working edge on your scrapers. In fact, a new scraper doesn't even come with a usable edge out of the box, so I'll start with how to burnish the scraper to have a nice burr on it. Hold the scraper in both hands, angled toward you, and flex it to create a slight belly in the center as you pull it along the wood. When the scraper starts creating dust or begins to chatter, it needs reburnishing.
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