Bowling
Boring (English: boring) is to drill a cylindrical hole. It also refers to the process of enlarging the hole drilled. When used in machining, it is also expressed as boring in Japanese and commonly used with boring. In machining, a single blade (single point cutting tool) is usually used. One example is a hollowed out of the cannon's inner cylinder. Bowling is also used to make hole diameter more accurate or to make it into a tapered hole. In addition, excavation of cylindrical holes mainly in the ground such as tunnels and wells is also expressed as bowling. In this case, it is also expressed in Japanese as a drill (Susui) or a well (saikusei), and it is used in various fields such as geological survey, agriculture, hydrology, civil engineering, petroleum, natural gas industries, natural sciences. In this article, we will describe the work of drilling a cylindrical hole, especially in the ground, in the act of piercing a cylindrical hole. ...