Required fields are marked *, 201 West Washington Ave. Suite 230 A typical hand file is made from a bar of high-carbon steel with its teeth pressed, cut, or raised into the steel. in Manufacturing Engineering from Western Michigan University. Single Cut — Surface has one set of diagonal teeth and is often used with light pressure to slowly remove material and sharpen tool-cutting surfaces. Well, I hate to break it to you but knowing how to use this basic tool is a clear sign of being a veteran. As the file is drawn back and forth newly cut material forces the material off the teeth. After one pass most of the spaces are filled with small pieces of material. A mill bastard is a type of wood file. Round files are used for … With your opposing hand place your palm onto the tip of the file. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! As a general rule of thumb, using two hands are preferred. Both file and saw teeth have an angle relative to the work surface known as a rake. One way to prolong the life of a file is to use a lubricant while cutting material. By lifting the file after a cut it allows for the cut material to fall out from between the teeth and make room for the next pass. See more. 'All Intensive Purposes' or 'All Intents and Purposes'? Your email address will not be published. Normally, a standard Mill Bastard file is used for drawfiling, but where a considerable amount of stock has to be removed, a Flat or Hand file (Double Cut) will work faster. They are used for smoothing and blending. Don't know the detailed history, but suspect "bastard file" shares a root with "bastard sword", being intermediate between a short and a long blade. The correct technique is to push the file forward to make a cut then lift the file off of the work piece when the file is drawn back. Files do not include a handle but do have a tang that fits into a handle. Just like a saw, it cuts material using teeth. The size and spacing of a file’s tooth correspond to the file’s coarseness. The teeth will clog if used with soft materials. A hand file is essentially a hand saw with a very wide blade. Slow/Good Surface (Hard Material): Use a fine file with a single cut. Filing back and forth is wrong for two reasons. This technique is used when material must be removed slowly, see Figure 5. Slow/Good Surface (Soft Material): Use a medium file. Accessed 28 Nov. 2020. Using the file in such a way can damage the file because it will round over the top of the teeth dulling the file without doing any work. Can you spell these 10 commonly misspelled words? Length does not include the tang.. The reason sawing back and forth is acceptable in this case has to do with the diagonal teeth of the single and double-cut files. The best lubricant for a hand file is good old-fashioned blackboard chalk. Double-cut files have two sets of diagonally-cut teeth. With practice your thumb can vary the pressure to precisely control the amount of material that is removed. In the opposite direction the rake is much shallower so the teeth push away from the work surface vs. digging in. Rather than press hard for aggressive cuts switch to a more aggressive (coarse) file. How to Create a Culture of Innovation in 3 Key Steps, The Future of Work: Remote Technical Talent – Sponsored, Engineering Knowledge BaseEngineering Knowledge Base, Manufacturing Knowledge Base, Measure Twice and Cut Once: Engineers Take on An Old Proverb, Design for Handling (DFH): Boost Productivity, Improve Efficiency, Making A Positive Difference Together: Paul Brinks, Koops. Fine files have small, frequently spaced teeth which don’t remove a great deal of material per stroke. They are designed to cut metals rather than wood. With the double-cut variety of file both strokes of the file are cutting into the material reducing the chance of dulling. They are good for quickly cutting hard materials. Learn a new word every day. Medium Speed/Good Surface (Hard Material): Use a single-cut medium or double-cut fine. Medium Speed/Good Surface (Soft material): Use a coarse (bastard) file. Bastard-cut files 6 inches and longer are double-cut. So years ago I went to the local hardware store, asked for a bastard file, payed for it, and have been using it ever since. But the name obviously intrigued me. You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary. The interlaced teeth create a diamond-like pattern which allows the file to cut twice as fast as a single-cut file. Start your free trial today and get unlimited access to America's largest dictionary, with: “Bastard file.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bastard%20file. Post the Definition of bastard file to Facebook, Share the Definition of bastard file on Twitter. Most people who haven’t been trained will file in a back and forth motion. Simply grab one and saw away. What made you want to look up bastard file? Fast/Rough (Hard Material): When you want to remove hard steels quickly use a coarse single-cut or a double-cutting coarse (bastard) file.
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