Popular Woodworking 2004-12 № 145, страница 25

Popular Woodworking 2004-12 № 145, страница 25

15-minute Fretsaw Tune-up

For years I struggled with my fretsaw, a German-made tool that I use for removing waste between dovetails. Like many similar saws, this one has been a disappointment because blades slip out easily from the blade clamps during a tough cut. Plus, the handle is uncomfortable. Fortunately, both of these problems can be solved in 15 minutes.

First, the blade clamp s: The reason the se so often fail is that they're supposed to have toothed surfaces, but they seldom do. At best, many of them have shallow lines stamped on them that don't hold the blade well. So, to greatly improve their grip, first disassemble the blade clamps and secure the saw's frame to your bench. Holding a half-round file at a steep angle, use one edge to deepen each of the stamped lines. (If your blade clamps lack lines, simply file the notches from scratch). About four stokes in each notch should do it. After reassembling the blade clamps, you'll be amazed at how much better your saw works. Not only will it hold the blades better, but you will be able to tension the frame much higher, allowing for more accurate cuts.

While you're at it, sand the ugly paint off the handle until it is comfortable to hold and no longer looks offensive. With these two improvements, your saw will work a lot better. PW

Christopher Schwarz executive editor

- Half-round file

- File grooves on surface of blade clamp

■ Clamp saw to benchtop

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