When building a piece of furniture, you might want to put a small chamfer around something like a drawer front. A low-angle block plane does the best job on the end-grain areas, while a regular-angle block plane should be used on the long-grain areas at the top and bottom.
Advanced techniques
Trimming the protruding tails and pins on a dovetail joint, or the fingers of a finger joint, is tricky business. Sanding never works well, as end-grain is much harder than long-grain. So, sanding not only takes longer but results in a more uneven surface. What makes this operation tricky is that end-grain requires a low-angle block plane with an effective cutting angle of about 37°. But when you finally make the end-grain areas flush to the surrounding surface, you’re likely to take off at least a couple of thin shavings from the long-grain too.
If the grain direction is against you here, the low-angle block plane will cause tearout. My solution is to use the low-angle block plane until I’m just 0.001" or so away from hitting the long-grain. This technique takes experience and a fine sensitivity in your fingertips to feel the surface. Then, I switch to a regular-angle block plane, which doesn’t like end-grain and will turn it to a whiter colour because it actually dulls the surface. Yet, I feel I have to switch to the regular-angle because tearout on the long-grain is impossible to repair. After getting everything flush, I can switch to sandpaper and polish up those end-grain areas as much as I want when I sand the surfaces prior to finishing.
Another, more advanced technique involves trimming the cheeks of a tenon to fit its mortise well. While you will be tempted to use your tablesaw and tenoning jig to trim just a few 0.001" off the cheeks, the blade will flex and the tenon will become thinner at its tip. So, you need to trim the tenon to fit properly with a shoulder plane, working cross grain. If you don’t have a shoulder plane, both a regular- or low-angle block plane will work (both angles work cross grain), but these planes can’t trim wood right to the shoulder of the tenon. You’ll have to finish off with a wide chisel in order to trim the wood closer to the shoulder. However, both methods work well once you have developed the skills.
Hendrik Varju provides private woodworking instruction and seminars. His business, Passion for Wood, is located near Acton, Ont.
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