2014年2月26日星期三

Tungsten Carbide Roller Cone Drill Works

Tungsten carbide roller cone drill supported by ball bearing, in some cases, for the radial and axial loads. Radial load, mainly by the journal, bear large bearings and bushings. The ball into the hole from the peg by peg has thrust face support care, bushings at both ends, end thrust block embedded within the cone, flat thrust bearings to withstand axial thrust. In order to reduce tooth wear palm palm between the tip and the hole wall, the tip of the tooth palm studded cast tungsten carbide flat teeth or welding. Drill lumen design romantic (or fluid) distribution system, air pressure through the drill rig, enter the cavity, where the wind blows most of the pressure from the side of the tooth claw 3 interchangeable nozzles to the bottom of the hole, the rock slag the annular space between the drill hole wall and discharged to the surface.

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