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2. Strob Saw Blade - Wikipedia

   en.wikipedia.org/wiki/Strob_Saw_Blade

   Strob Saw Blades are circular saw blades with the addition of two or more specialised raker /cutters and were invented by Keene S. Strobel (1907–1989) [1] of Everett and Peter E. Heiser of Issaquah. [2] These rakers are fitted on the trailing edges of more-or-less radial slots cut in the blade and are designed to reduce friction and rapidly ...

3. Jointing (sharpening) - Wikipedia

   en.wikipedia.org/wiki/Jointing_(sharpening)

   Circular saw blades are jointed prior to sharpening so that all teeth protrude from the blade the same distance from the centre. Jointer knives are ground until they are all the same length prior to sharpening. The edges of a card scraper are jointed by running the edge over a file or a sharpening stone prior to using a burnisher to turn the burr.

4. Pencil sharpener - Wikipedia

   en.wikipedia.org/wiki/Pencil_sharpener

   A manual prism sharpener generates long fan-shaped shavings Video of a mechanical pencil sharpener, showing gearing and helical sharpening blades. A pencil sharpener (or pencil pointer, or in Ireland a parer or topper) [1] is a tool for sharpening a pencil's writing point by shaving away its worn surface.

5. Sharpening - Wikipedia

   en.wikipedia.org/wiki/Sharpening

   Sharpening. Sharpening is the process of creating or refining the edge joining two non-coplanar faces into a converging apex, thereby creating an edge of appropriate shape on a tool or implement designed for cutting. Sharpening is done by removing material on an implement with an abrasive substance harder than the material of the implement ...

6. Sawmill - Wikipedia

   en.wikipedia.org/wiki/Sawmill

   Sawfilers were highly skilled in metalworking. Their main job was to set and sharpen teeth. The craft also involved learning how to hammer a saw, whereby a saw is deformed with a hammer and anvil to counteract the forces of heat and cutting. Modern circular saw blades have replaceable teeth, but still need to be hammered. [11]

7. Diamond blade - Wikipedia

   en.wikipedia.org/wiki/Diamond_blade

   Diamond blade. A close-up of a diamond blade, showing worn metal behind the diamonds on the blade. A diamond blade is a saw blade which has diamonds fixed on its edge for cutting hard or abrasive materials. There are many types of diamond blade, and they have many uses, including cutting stone, concrete, asphalt, bricks, coal balls, glass, and ...