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Couplings are also called couplings. It is a commonly used part in mechanical products, used to connect two shafts or shafts and rotating parts, and in the process of transmitting motion and power, they rotate together...

The single cone bit is one of the cone bits used in oil and natural gas drilling. Compared with the most commonly used tri-cone bit, it has the following characteristics (1) The full drill bit has only one cone, and the...

[Installation method of coring bit] 1. Right-angle shank: align the two planes of the shank end with the two screw holes on the main shaft of the drill, use the inner hexagonal backhand to tighten a gap of 0.2-0.3mm, an...

Pipeline through wall casing plugging method Check the inside of the casing to remove rust and debris, to prevent rust, paint the pipe wall, then install the pipe and adjust the slope, and then fix the support and hange...

The core barrel is a circular cutting device with an opening in the center. This machine is usually used to cut extremely hard surfaces, such as rock bottoms and reinforced concrete. There are three main types of core ba...