The Scraper Blade's cutting edge is formed by one step on the grinder. The grinding action forms the hook.
|65º||The Tormek SVD-186 or SVD-185 is easily used for this activity. As shown in the picture above, you will use the shaft rather than the tool holder.
You can make a back grind on the tool if you need, however it is not so critical on this tool.
Reference the Tormek Handbook if you have any questions.
|High Carbon Steel||Temperature control is critical for high carbon steel. Tempering will be lost in the steel if heated until it is blue (~550°F / 300°C). Cool by dipping as needed in water.
|High Speed Steel
||Cool by dipping as needed in water.
|Steel with Carbide Insert||DO NOT cool by dipping in water. This will cause the carbide to crack due to shocks.
It is also recommended to use a high grit wheel for sharpening carbide as lower grits can cause cracks in the edge leading to it being far more crack-ridden and brittle. (Lower grits can be used for shaping the edge -- see also, Grindstones and Other Sharpening Media - Quick Selection Guide.)
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