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An Olympic bar mounted on a bench press bench A men's Olympic bar is a metal bar that is 2.2 metres (7.2 ft) long and weighs 20 kilograms (44 lb). The outer ends are 1.96 inches (50 mm) in diameter, while the grip section is 28 millimetres (1.1 in) in diameter, and 1.31 metres (4.3 ft) in length.
Bar lengths ranged from 4’ to 6’. In the 1950s, with the introduction of the BUR-140, BUR began selling a bar with a 1" diameter and a removable 38" chrome plated sleeve that allowed for bar rotation during lifts. BUR oversized inner collars were included with the new bar. These collars were stamped "BUR BARBELL Co LYNDHURST NEW JERSEY". [19]
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Powerlifting is a competitive strength sport that consists of three attempts at maximal weight on three lifts: squat, bench press, and deadlift.As in the sport of Olympic weightlifting, it involves the athlete attempting a maximal weight single-lift effort of a barbell loaded with weight plates.
The bench press or chest press is a weight training exercise where a person presses a weight upwards while lying horizontally on a weight training bench. The bench press is a compound movement , with the primary muscles involved being the pectoralis major , the anterior deltoids , and the triceps brachii .
In shallow drawing, the depth of drawing is less than the smallest dimension of the hole. Bar, tube, and wire drawing all work upon the same principle: the starting stock is drawn through a die to reduce its diameter and increase its length. Usually, the die is mounted on a draw bench. The starting end of the workpiece is narrowed or pointed to ...
A press brake bending a sheet of steel. A press brake is a type of brake, a machine used for bending sheet metal and metal plate. [1] It forms predetermined bends by clamping the workpiece between a matching top tool and bottom die. [2] Bending process A high-tonnage hydraulic press brake Liwei CNC 2000T 12M Heavy Duty model
A draw bench is a machine used to do cold work on a metal, such as changing the shape of the metal without applying heat and applying only pressure.