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2. Grinding wheel - Wikipedia

   en.wikipedia.org/wiki/Grinding_wheel

   Grinding wheels are self-sharpening to a small degree; for optimal use they may be dressed and trued by the use of wheel or grinding dressers. Dressing the wheel refers to removing the current layer of abrasive, so that a fresh and sharp surface is exposed to the work surface. Trueing the wheel makes the grinding surface parallel to the ...

3. List of watermills in the United States - Wikipedia

   en.wikipedia.org/wiki/List_of_watermills_in_the...

   Mill Springs Overshot Waterwheel located at Mill Springs Park. The current mill built in 1877 on the site of a previous mill. Currently owned and operated as a park by the United States Army Corps of Engineers. The wheel has a diameter of 40 feet, 10 inches, and a breast of three feet.

4. Diamond grinding cup wheel - Wikipedia

   en.wikipedia.org/wiki/Diamond_grinding_cup_wheel

   There are two common methods to manufacture diamond grinding cup wheels: hot pressing and cold pressing. The hot pressing method is to directly sinter the diamond segments in molds under a certain pressure in the dedicated sintering press machine, and then fix or connect the diamond segments onto the grinding wheel’s body via high-frequency welding, laser welding or mechanical mosaic method.

5. Rubbertown, Louisville - Wikipedia

   en.wikipedia.org/wiki/Rubbertown,_Louisville

   The Rubbertown industrial complex was created with construction by Standard Oil of Kentucky, who built an oil refinery in the area in 1918. Two other companies would come to the area for similar business in the 1930s, Aetna Oil and Louisville Refinery. These refineries were producers of fuel, gasoline, kerosene, naphtha, oil, and petroleum coke ...

6. Quern-stone - Wikipedia

   en.wikipedia.org/wiki/Quern-stone

   The handstone of a rotary quern is much heavier than that of saddle quern and provides the necessary weight for the grinding of unmalted grain into flour. In some cases the grinding surfaces of the stones fit into each other, the upper stone being slightly concave and the lower one convex. Rotary hand quern at the Estonian Open Air Museum

7. Surface grinding - Wikipedia

   en.wikipedia.org/wiki/Surface_grinding

   Surface grinding is done on flat surfaces to produce a smooth finish.. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it flat or smooth.

8. Cylindrical grinder - Wikipedia

   en.wikipedia.org/wiki/Cylindrical_grinder

   Cylindrical grinding is defined as having four essential actions: The work (object) must be constantly rotating; The grinding wheel must be constantly rotating; The grinding wheel is fed towards and away from the work; Either the work or the grinding wheel is transversed with respect to the other.

9. Grinding machine - Wikipedia

   en.wikipedia.org/wiki/Grinding_machine

   Rotating abrasive wheel on a bench grinder. 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. [1]