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2. Blade grinder - Wikipedia

   en.wikipedia.org/wiki/Blade_grinder

   However, meat grinders (and food mills) use a scissor cutting action as the blades rotate against a perforated metal plate. Meat grinder blades rotate at a much slower speed than blade grinders, which may rotate at speeds as high as 20,000 to 30,000 rpm; for example, the Steele model mixer-grinder by Indian appliance manufacturer Preethi has a ...

3. Angle grinder - Wikipedia

   en.wikipedia.org/wiki/Angle_grinder

   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 (abrasive cutting) - Wikipedia

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

   Grinding is a subset of cutting, as grinding is a true metal-cutting process. Each grain of abrasive functions as a microscopic single-point cutting edge (although of high negative rake angle), and shears a tiny chip that is analogous to what would conventionally be called a "cut" chip (turning, milling, drilling, tapping, etc.) [citation needed].

5. The Best Angle Grinders We Recommend for Cutting ... - AOL

   www.aol.com/best-angle-grinders-recommend...

   Angle Grinder. With its 7.5-amp output, Porter Cable’s 4.5-inch angle grinder is a greater light duty corded option. It produces 10,000 RPM, ample power for cutting through masonry or metal pipe ...

6. Grinding machine - Wikipedia

   en.wikipedia.org/wiki/Grinding_machine

   Pedal-powered grinding machine, Russia, 1902. A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding. It is a type of material removal using an abrasive wheel as the cutting tool. Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.

7. Rotary tool - Wikipedia

   en.wikipedia.org/wiki/Rotary_tool

   Rotary tool. A pneumatic die grinder with a right-angle head. A cordless battery-powered rotary tool used for light tasks. A die grinder or rotary tool is a handheld power tool and multitool used for grinding, sanding, honing, polishing, or machining material (typically metal, but also plastic or wood). All such tools are conceptually similar ...