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2. Grinding wheel - Wikipedia

   en.wikipedia.org/wiki/Grinding_wheel

   The abrasive aggregate is selected primarily according to the hardness of the material being cut. Chemical compatibility is also a concern. For example, because carbon alloys with iron, silicon carbide is not suitable for use with iron-based metals like steel. [citation needed] Aluminum oxide (A) Silicon carbide (S) Ceramic (C) Diamond (D, MD, SD)

3. Angle grinder - Wikipedia

   en.wikipedia.org/wiki/Angle_grinder

   An angle grinder, also known as a side grinder or disc grinder, is a handheld power tool used for grinding (abrasive cutting) and polishing. Although developed originally as tools for rigid abrasive discs, the availability of an interchangeable power source has encouraged their use with a wide variety of cutters and attachments.

4. Grinding machine - Wikipedia

   en.wikipedia.org/wiki/Grinding_machine

   Angle grinder, another handheld power tool, often used in fabrication and construction work. Internal grinder, which is used for grinding internal surfaces of workpieces, boron carbide wheels are effective when dealing with extremely hard materials that need high levels of precision. [2] [3]

5. Disc cutter - Wikipedia

   en.wikipedia.org/wiki/Disc_cutter

   Thicker or heavier materials will need a larger disc cutter. For long straight cuts on sheet metal or for light cut-off work, a standard circular saw is used with a 7 + 1 ⁄ 4-inch cutting wheel. These cutting discs are made just like the smaller wheels of an angle grinder, with resin bonded abrasive material, or are of metal with a diamond ...

6. Flapwheel - Wikipedia

   en.wikipedia.org/wiki/Flapwheel

   This allowed the production of flapwheels for use with high speed angle grinders. [note 1] These disks were different in format: flatter, like the original rigid angle grinder disks, and with the flaps arranged in a densely overlapped layout rather than radial. The extra lifetime this gave to the disk allowed their use for stock removal and ...

7. Grinding (abrasive cutting) - Wikipedia

   en.wikipedia.org/wiki/Grinding_(abrasive_cutting)

   A man grinding on metal using an angle grinder, causing a lot of sparks. Grinding is a type of abrasive machining process which uses a grinding wheel as cutting tool. A wide variety of machines are used for grinding, best classified as portable or stationary: Portable power tools such as angle grinders, die grinders and cut-off saws