Ads
related to: hollow steel balls
Search results
Results from the WOW.Com Content Network
They must be hollow and made of metal (usually steel) with a diameter between 70.5 and 80 mm (2.78 and 3.15 in) and a weight between 650 and 800 g (23 and 28 oz). When purchasing competition boules, a purchaser has a choice of a number of characteristics, including the size, weight, and hardness of the boules, as well as the striations ...
games where the balls are hollow and made out of metal, typically steel or bronze (for example, pétanque, bocce volo) games where the balls are stuffed and made out of leather or some similar soft material (boccia, "soft pétanque") Alternatively, boules games may be subdivided into categories based on the shape of the ball:
Baoding balls can also be made of solid jade, agate, marble, and other types of stone. [3] Hollow balls are generally more suitable for therapeutic use due to their lighter weight. Heavier balls of iron, steel or tungsten carbide require more effort for rotation.
Racquetball is a racquet sport and a team sport played with a hollow rubber ball on an indoor or outdoor court. Joseph Sobek [ 1 ] invented the modern sport of racquetball in 1950, [ 2 ] adding a stringed racquet to paddleball in order to increase velocity and control.
A ball mill consists of a hollow cylindrical shell rotating about its axis. The axis of the shell may be either horizontal or at a small angle to the horizontal. It is partially filled with balls. The grinding media are the balls, which may be made of steel (chrome steel), stainless steel, ceramic, or rubber.
Hollow sphere of radius r and mass m. = [1] Solid sphere of radius r and mass m. = [1] Sphere (shell) of radius r 2 and mass m, with centered spherical cavity of radius r 1. When the cavity radius r 1 = 0, the object is a solid ball (above).
Ads
related to: hollow steel balls