Edge File edges are either By Bob Vila. Use large files for large surfaces, small files for small surfaces. To preserve these articles as they originally appeared, The Times does not alter, edit or update them. Files on which two sets of teeth are cut - one set crossing the other, as in the illustration - are called double-cut. Don’t try to clean a file by striking it against your vise or any other hard object. Rasps cut very rapidly and are excellent tools for shaping wood. Microplane’s stainless steel blades, which come in round, triangular, and flat shapes, offer razor-sharp edges. The file brush has two brushes, one on either side, one coarse and one fine. Instead, use a different portion of the blade each time you repeat the stroke, until smoothing is complete. American Pattern files are available in three grades of cut: Bastard, Second Cut and Smooth. Finishing files have the ridges in only one direction, while roughing files are cross-cut in two or even three directions. For filing soft metals such as aluminum and brass, and also for filing plastic, files are made with semicircular rows of teeth, resembling sections of overlapping disks. Rasps, from finest to coarsest, come in BASTARD, CABINET (or MEDIUM), and WOOD. Be careful to keep the file level during operation, to avoid filing the surface unevenly. FILES for smoothing and shaping metal and wood are useful and inexpensive additions to any do-it-yourselfer's tool kit. Feeding the tool down and diagonally across the wood, as done with a rasp, is suitable for general shaping and fairing. For general-purpose metal filing, most homeowners will find an 8- or 10-inch mill bastard flat file, double-cut on one surface and single-cut on the other, the most useful. HOME CLINIC; CHOOSING FILES FOR WOOD AND METAL. Files come in many more shapes than can be listed here, but all file shapes may be categorized as four-sided, three-sided or round. The equivalent of the metalworker’s mill file is called a wood file: It, too, is single-cut, and is used for finishing wood surfaces. They may look indestructible, but they actually are quite brittle, and will snap in two if too much pressure is applied. Files cut on the push stroke, but how you feed the tool across the work can influence the cutting speed and quality. The cabinet rasp and half-round wood rasp both have a flat side and a rounded side and are useful for the rapid removal of wooden stock. Treat your files respectfully. After all, filing is no fun, and anybody can do it, right? Square files make neat, square corners in openings; they’re essentially flat files. Occasionally the digitization process introduces transcription errors or other problems; we are continuing to work to improve these archived versions. They are tapered in width and thickness and belong in every workshop. Sets of needle rasps are also available. Alternatively, we stock a 4-piece Draper file set with a flat file, half round file, round file and three square. A mill file is a tool used in both wood and metalworking applications that removes small pieces of material from a workpiece—they are the most common type of file. The chain-saw file is also round, but not tapered. Shapes and Sizes. The file card is a clever design featuring wire picks on one side that will loosen the filings and a brush on the other for whisking them away. Mill files handle fine finishing and sharpening jobs; they’ll do drawfiling (of a scraper, for example), smoothing (of wood or metal), and trueing of edges. Do not slide the file from one end to the other when draw-filing. Special files called rasps, for use on wood only, feature individually raised, extremely rough teeth. A hand file is a flat file with one “safe” edge (i.e., with no teeth). Those for use on metal are called mill files. Handles are inexpensive; usually one size fits all. The most common variety has a hollow aluminum body that looks a bit like a simplified block plane. Shape wood and other materials with a rasp set. The length of a file also affects the coarseness, regardless of the cut. Many projects need a smooth surface, not a flat-plane or faceted one. Blades are sold in fine, regular, and medium cuts. Bob Vila, 11 Things to Know Before Visiting the Lumber Yard, 6 Beginner Ways to Use a Woodworking Router, The 10 Most Useful Power Drill Attachments. Rasps, too, are sold in varying profiles. Google の無料サービスなら、単語、フレーズ、ウェブページを英語から 100 以上の他言語にすぐに翻訳できます。文字数制限は 5,000 文字です。さらに翻訳するには、矢印を使用してください。 The teeth do the work of the file, removing small shavings from the workpiece. However, they produce an extremely rough surface, which must be smoothed with a double- or single-cut file or sandpaper. Mill files may be used to shape wood (they perform best on hardwood); however, wood files will not withstand use on metal. The flat wood rasp is a flat file, though it has the individually cut teeth characteristic of a rasp. TimesMachine is an exclusive benefit for home delivery and digital subscribers. This will help to prevent filings from accumulating there. However, usually the surface produced with the double-cut file is rougher than that produced by the single-cut. An alternative to the traditional rasps and files is the surfoam. They can finish off or enlarge holes, and allow wood … Expert advice from Bob Vila, the most trusted name in home improvement, home remodeling, home repair, and DIY. Other types are longer (resembling a jack plane) or even long and cylindrical (like a large rat-tail file). Files with individually shaped triangular projections are called rasps, and are subdivided into wood rasp, cabinet rasp bastard, and cabinet rasp second cut, moving from roughest to smoothest. A file is a tool used to remove fine amounts of material from a workpiece. One old-timer’s trick I favor after cleaning a metal file is to rub chalk into the voids between the teeth. Plater's Rasp:A rasp file combination that is used pri-marily by farriers in the trim-ming of horses' hooves.
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