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Cone bit structural features in use


1, cone bit floating bearing structure, the floating element made of high-strength, high flexibility, high temperature resistance, high wear resistance characteristics of the new material, the surface of the solid lubricant processing. Vice-reducing bearing relative linear velocity while reducing friction surface temperature, can effectively improve the bearing life and reliability of the bearings under high pressure or high speed drilling drilling process conditions. 2, tipped drill using high strength and high toughness carbide gear, optimize the design of the number of rows of teeth, teeth, toothy height and unique alloy tooth shape, give full play to the tipped drill bit high wear resistance and excellent cutting ability. Steel teeth drill tooth face apply welding new wear-resistant materials, steel tooth bit while maintaining high ROP, improved bit cutting teeth life. 3, the ball locking cone bit cone, adapt to high speed, it is possible to improve efficiency in use. 4, limit the pressure and prevent the use of drilling fluid into the lubrication oil system-wide rubber bladder, the bearing lubrication system provides a good guarantee. 5, using new high-temperature resistant to 250 ° C, anti-wear grease. 6, high-precision metal seal. Metal sealed by a metal seal ring designed for processing as bearing axial dynamic seals, two high elastic rubber energizing ring are located in the teeth palm and cone sealing area as a static seal, seal compression optimized to ensure that the two a metal ring seal surface always maintain good contact.

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