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Last Updated
03/31/2019
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Detailed entries for one subject from the INDEX TO HOW TO DO IT INFORMATION. |
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HEAT TREATING sa KILN xx METAL & METALWORKING Retempering tools (chisels, gouges, etc.) to regain the cutting edge. This three-step process (annealing, hardening, and tempering) requires only a gas torch. Heat treating. Techniques for making or fixing your own tools. Includes charts of heat glow and tempering temperatures to use. A gas welding torch is the source of heat. Photos illustrate the construction and tempering of a drawknife. Tip: Use a magnet to determine when to quench tool steel after heating to cherry red.. Two tips. (1) Use magnet to tell when tool steel is hot enough to quench. (2) Use linseed oil to blacken steel. Tips on retempering an old chisel. Tip on spot-annealing steel (using a cut-off nail and drill press) prior to drilling a hole in the steel. A simple technique for re-hardening cutting tools made of steel through a process of annealing, hardening, and tempering is explained. Advice on heat treating high-carbon tool steel and on sharpening techniques which won't damage the temper of the steel during the sharpening process. Tip: How to carburize mild steel using an acetylene torch. How to harden and temper your cutting tools, such as plane irons, wood chisels, cold chisels, etc. Tip: Make a carbide tool to clean out holes after heat treating. Heat treatment used on gemstone materials. Part 1. Heat treatment used on gemstone materials. Part 2. Tip on restoring the malleable state of metal through the annealing process. Heat treating steel tools. A beginner-to-intermediate tool-making project. Twin burner, gas-fired furnace fed by air blast of vacuum cleaner heats to 2000 degrees. Heat treating ovens and tools you can make. How to anneal, harden and temper steel in a simple furnace made from an old single-burner stove, fire bricks and a propane torch. Use a propane torch and a tin can to get a tool (punch, chisel, etc.) hot enough for hardening. Experiments in case hardening using "Kasenit" surface hardening compound. Tips on heating and tempering tool steel, such as found in chisels. Keeping your temper. A practical guide to the basic metalurgy and heat treatment methods required for tool care, renovation and manufacture. Uses equipment found in the average workshop. Tip describes how to temper screwdrivers and bench chisels to make them usable as turning tools. Tempering steel tools. How to renew the temper on a ruined cutting edge. Requires a propane torch and olive oil. | |||||||||
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