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Billiard table
A billiard table or billiards table is a bounded table on which cue sports are played. In the modern era, all billiards tables (whether for carom billiards, pool, pyramid or snooker) provide a flat surface usually made of quarried slate, that is covered with cloth (usually of a tightly woven worsted wool called baize), and surrounded by vulcanized rubber cushions, with the whole thing elevated above the floor. More specific terms are used for specific sports, such as snooker table and pool table, and different-sized billiard balls are used on these table types. An obsolete term is billiard board, used in the 16th and 17th centuries.
Cushions (also sometimes called "rail cushions", "cushion rubber", or rarely "bumpers") are located on the inner sides of a table's wooden rails. There are several different materials and design philosophies associated with cushion rubber. These cushions are made from an elastic material such as vulcanized rubber (gum or synthetic). The purpose of the cushion rubber is to cause the billiard balls to rebound off the rubber while minimizing the loss of kinetic energy.[citation needed]
The profile of the rail cushion, which is the cushion's angle in relation to the bed of the table, varies between table types. The standard on American pool tables is the K-66 profile, which as defined by the Billiard Congress of America (BCA) has a base of 1+3⁄16 inches (30 mm) and a nose height of 1 inch (25 mm). When installed properly the distance from the nose of the cushion to the covered slate surface is 1+7⁄16 inches (37 mm) while using a regulation 2+1⁄4-inch (57 mm) ball set.[citation needed]
On a carom table, the K-55 profile is used (with a somewhat sharper angle than pool cushions). K-55 cushions have cloth, usually canvas, vulcanized into the top of the rubber to adjust rebound accuracy and speed.
Snooker tables use an L-shaped profile, such as the L77 profile.[citation needed]
The bed table – the cloth-covered, horizontal playing surface – is, on high-quality equipment, made of solid, smooth slabs of slate, most often from Italy, Brazil or China. Small pool tables may use only one or two pieces of slate, while carom, English billiards and tournament-size pool tables use three. Full-size snooker tables require five. The gap between slates is filled with a hard-drying putty, epoxy or resin, then sanded to produce a seamless surface, before being covered with the cloth. When several pieces of slate are joined poorly it is possible for the resin to deform and cause an uneven playing surface; it can also be difficult to move once joined.[citation needed]
Tables for the home market usually use slate beds as well, but the slate is often thinner, down to about +1⁄2 inch (13 mm). The early table beds were made of cloth-covered wooden boards. Today, inexpensive but not very rigid or durable materials used for the beds of low-end tables (e.g. for children's recreation rooms) still include wood, especially medium-density fibreboard and plywood, as well as plastics and other synthetic materials under various trade names.[citation needed]
Billiard cloth (sometimes erroneously called felt) is a specific type of cloth that covers the top of the table's "playing area". Both the rails and slate beds are covered with 21–24-ounce billiard cloth (although some less expensive 19-ounce cloths are available) which is most often green in colour (representing the grass of the original lawn games from which billiards evolved), and consists of either a woven wool or wool-nylon blend called baize.[citation needed]
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Billiard table AI simulator
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Billiard table
A billiard table or billiards table is a bounded table on which cue sports are played. In the modern era, all billiards tables (whether for carom billiards, pool, pyramid or snooker) provide a flat surface usually made of quarried slate, that is covered with cloth (usually of a tightly woven worsted wool called baize), and surrounded by vulcanized rubber cushions, with the whole thing elevated above the floor. More specific terms are used for specific sports, such as snooker table and pool table, and different-sized billiard balls are used on these table types. An obsolete term is billiard board, used in the 16th and 17th centuries.
Cushions (also sometimes called "rail cushions", "cushion rubber", or rarely "bumpers") are located on the inner sides of a table's wooden rails. There are several different materials and design philosophies associated with cushion rubber. These cushions are made from an elastic material such as vulcanized rubber (gum or synthetic). The purpose of the cushion rubber is to cause the billiard balls to rebound off the rubber while minimizing the loss of kinetic energy.[citation needed]
The profile of the rail cushion, which is the cushion's angle in relation to the bed of the table, varies between table types. The standard on American pool tables is the K-66 profile, which as defined by the Billiard Congress of America (BCA) has a base of 1+3⁄16 inches (30 mm) and a nose height of 1 inch (25 mm). When installed properly the distance from the nose of the cushion to the covered slate surface is 1+7⁄16 inches (37 mm) while using a regulation 2+1⁄4-inch (57 mm) ball set.[citation needed]
On a carom table, the K-55 profile is used (with a somewhat sharper angle than pool cushions). K-55 cushions have cloth, usually canvas, vulcanized into the top of the rubber to adjust rebound accuracy and speed.
Snooker tables use an L-shaped profile, such as the L77 profile.[citation needed]
The bed table – the cloth-covered, horizontal playing surface – is, on high-quality equipment, made of solid, smooth slabs of slate, most often from Italy, Brazil or China. Small pool tables may use only one or two pieces of slate, while carom, English billiards and tournament-size pool tables use three. Full-size snooker tables require five. The gap between slates is filled with a hard-drying putty, epoxy or resin, then sanded to produce a seamless surface, before being covered with the cloth. When several pieces of slate are joined poorly it is possible for the resin to deform and cause an uneven playing surface; it can also be difficult to move once joined.[citation needed]
Tables for the home market usually use slate beds as well, but the slate is often thinner, down to about +1⁄2 inch (13 mm). The early table beds were made of cloth-covered wooden boards. Today, inexpensive but not very rigid or durable materials used for the beds of low-end tables (e.g. for children's recreation rooms) still include wood, especially medium-density fibreboard and plywood, as well as plastics and other synthetic materials under various trade names.[citation needed]
Billiard cloth (sometimes erroneously called felt) is a specific type of cloth that covers the top of the table's "playing area". Both the rails and slate beds are covered with 21–24-ounce billiard cloth (although some less expensive 19-ounce cloths are available) which is most often green in colour (representing the grass of the original lawn games from which billiards evolved), and consists of either a woven wool or wool-nylon blend called baize.[citation needed]