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176:(1997 edition) suggests a blade grinder may be cleaned by grinding a few tablespoons of sugar then wiping it out. Another suggestion is to clean around the blade with a soft brush or a damp cloth. Because these blade grinders frequently are used for grinding both coffee beans and spices, cleaning them well is important to prevent unwanted transfer of flavors. Some people keep two blade grinders, one for coffee and the other for spices.
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131:. Blade grinders exploit a feature of propellers that is undesirable in the propulsion systems of boats and airplanes: the higher the rotation speed, the more energy is spent in shearing and cutting rather than in pushing. Rotary lawn mowers were not developed until small engines became powerful enough to run the blades at a speed high enough to cut.
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Blade grinders for home grinding of coffee beans are commonly used for grinding spices. However, larger, more powerful versions are used, particularly in Asia. Commonly found in pharmacies in China for grinding
Chinese traditional medicine, the blades of this style of grinder can rotate at 28,000 rpm
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A food processor is similar to a blender. The primary difference is that food processors use interchangeable blades and disks (attachments) rather than a fixed blade. Also, their bowls are wider and shorter, a more proper shape for the solid or semi-solid foods usually worked in a food processor.
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Blade grinders also resemble industrial blade (propeller) mixers, which like meat grinders rotate at much slower speeds. Unlike blade grinders, these mixers do not alter (break, cut, shred, macerate, pulverize) the material being mixed. The high speed of rotation of blade grinders is necessary to
99:) 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
163:: blade grinders being less expensive and having additional uses, burr grinders giving a better quality of grind. Special purpose spice grinders usually are either blade grinders or
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43:, is a machine that chops material while mixing it, by means of a high-speed spinning blade. Applications of blade grinders for preparing foods include numerous electric
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or more and are capable of reducing hard dried roots to powder. This type of grinder is also used in restaurants for spices as well as for laboratory use.
103:; for example, the Steele model mixer-grinder by Indian appliance manufacturer Preethi has a no-load speed of 23,500 rpm and loaded speed of 11,500rpm.
67:. The terms "blade grinder" and "propeller grinder" are in popular use to distinguish the blade grinder type of coffee grinder from other types. Other
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119:. These are desirable qualities in many food preparations. A blade grinder can run on batteries or more commonly on utility electricity.
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Commercial blenders were developed in the 1920s. With increasing miniaturization of the electric motor, the first consumer blender, the
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Blenders are blade grinders designed specifically for use with wet ingredients. Blenders are popular tools for production of
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Yankee
Magazine's Make It Last: Over 1,000 Ingenious Ways to Extend the Life of Everything You Own
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achieve their cutting action. In a blender application, the high speed of rotation contributes to
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Blade grinders are a 20th-century innovation that followed the adaptation of propellers to small
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Irma von
Starkloff Rombauer; Marion Rombauer Becker; Ethan Becker; Maria Guarnaschelli (1997).
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This model is smaller than most found in
Chinese pharmacies, although the design is the same.
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Low cost coffee blade grinders for use in home kitchens frequently are difficult to clean.
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The ceramic process: a manual and source of inspiration for ceramic art and design
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The joy of coffee: the essential guide to buying, brewing, and enjoying
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447:(21 ed.). Lippincott Williams & Wilkins. 2005. p. 2393.
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Machine with spinning blade, such as a food processor and lawnmower
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Confessions of a Coffee Bean: The
Complete Guide to Coffee Cuisine
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Blade grinder for home grinding of coffee beans and similar things
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138:, was developed in the 1930s, and a canister blender, the
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Blades from a blender (left) and food processor (right)
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Earl Proulx, The
Editors of Yankee Magazine (1996).
95:-shaped cutting blades. However, meat grinders (and
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Things Cooks Love: Implements, Ingredients, Recipes
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421:. University of Pennsylvania Press. p. 320.
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444:Remington: the science and practice of pharmacy
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180:Pharmacy, restaurant, and laboratory grinders
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83:A blade grinder may be considered a type of
474:. Pelican Publishing Company. p. 368.
390:"Technical Specification of Preethi Steele"
534:. Andrews McMeel Publishing. p. 352.
368:. Houghton Mifflin Harcourt. p. 304.
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71:applications include rotary
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617:https://bestcoffeemakes.com
328:Marie Nadine Antol (2002).
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167:(or related tools).
632:Food grinding tools
587:has generic name (
499:The Joy of Cooking
468:Laura Lee (2001).
173:The Joy of Cooking
91:in that both have
53:immersion blenders
45:kitchen appliances
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165:mortar and pestle
61:garbage disposals
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89:meat grinder
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63:, and some
51:(including
642:Propellers
626:Categories
316:References
290:Cavitation
129:motorboats
97:food mills
85:hammermill
577:cite book
195:Side view
140:Osterizer
117:emulsions
93:propeller
295:Impeller
279:See also
259:cardamom
224:Blenders
113:aeration
109:shearing
69:consumer
49:blenders
47:such as
400:12 June
123:History
59:, some
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234:pastes
230:purées
79:Design
285:Blade
146:Types
589:help
563:ISBN
536:ISBN
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402:2013
370:ISBN
340:ISBN
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
