38 - Ring Boxes, страница 18
FEATURE PROJECT Base k A strong mortise and through tenon joint provides the cornerstone for a sturdy base. I began work by making a sturdy base to support the drill press. It consists of a "two-by" frame and a top, bottom, and shelf made from plywood. frame. The frame starts out as two end assemblies, see drawing at right. Each of these assemblies is made up of two thick legs and a pair of wide rails that are held together with mortise and through tenon joints, see margin. But you don't have to worry about drilling these mortises. That's because they're formed by gluing up two leg pieces (A) with a rabbet in each end, see Fig. 1. To keep these pieces aligned during glue-up, I used a simple jig, see page 30. When the glue dries, the legs are almost complete. But to ease the sharp edges, I routed a stopped chamfer on all four corners. rails. The next step is to add the rails (B), see Fig. 1. A tenon on the end of each rail extends all the way through the leg and sticks out Vs" in front. Why use a through tenon? Because it's easier to cut the tenons a bit "long" than to get V © STRETCHER (6'/z" x 19") NOTE: ALL PIECES ARE MADE FROM 11/2"-THICK STOCK them perfectly flush with the front of the leg. Before gluing up the end assemblies, there are two things to do. First, the ends of the tenons (except for the part that will rest against the top or bottom) are chamfered. Second, you'll need to cut dadoes in the rails for the stretchers that are added next. 5/ie" x 4-Vz" LAG SCREW stretchers. The stretchers (C), connect the two end assemblies. To create an opening for aj case that holds the trays, a single stretcher runs across the top. And tivo stretchers span the bottom. Together with the rails and a plywood bottom they form a box for the sand. Although the stretchers are 1 RAIL (6Vz" x 2914") FIRST: CUT '/2"-DEEP RABBET _ &/z" LONG LEG PIECE (3" x 26") NOTE: DON'T CHAMFER BOTTOM NOTE: ALL PIECES ARE 1'/2"-THICK STOCK 18 ShopNotes No. 38 |
