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Ball mill, a mill using balls to crush the material; Bead mill a type of Mill (grinding) Burr mill or burr grinder, a mill using burrs to crush the material, usually manufactured for a single purpose such as coffee beans, dried peppercorns, coarse salt, spices, or poppy seeds; Coffee grinder; Conical mill (or conical screen mill)
A mill is a device, often a structure, machine or kitchen appliance, that breaks solid materials into smaller pieces by grinding, crushing, or cutting. Such comminution is an important unit operation in many processes .
Regarding manual mills, the common theme is that "plain" mills were production machines with fewer axes than "universal" mills; for example, whereas a plain mill had no indexing head and a non-rotating table, a universal mill would have those. Thus it was suited to universal service, that is, a wider range of possible toolpaths.
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Manufacturing processes This section does not cite any sources.
Backhouse Grist Mill National Historic Site: Norfolk County, Ontario: Canada: 1998 One of the oldest and best preserved examples of a small-scale, water-powered mill remaining in Canada. [24] Beauharnois Hydroelectric Power Station: Beauharnois, Quebec: Canada: 1990 Considered the most powerful generating station in Canada when completed in 1961.
Watermill of Braine-le-Château, Belgium (12th century) Interior of the Lyme Regis watermill, UK (14th century). A watermill or water mill is a mill that uses hydropower.It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering.
The 3rd century mill is the earliest known machine to incorporate a crank and connecting rod mechanism. [ 2 ] This list of ancient watermills presents an overview of water-powered grain-mills and industrial mills in classical antiquity , including the Hellenistic period through the Roman period up until circa 500 AD.
Old Mill, built as a steam-powered mill in Ancoats in 1798, is the oldest surviving cotton mill in Manchester. Before 1780, only water power was available to drive large mills, [ 44 ] but they were dependent on a constant flow of water and built in rural locations, causing problems of labour supply, transportation of materials and access to ...