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PDC steel 8 3/4 inch composite disc bit

Release time: 2018-10-09

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Matrix diamond clad chip (PDC) bit is a kind of cutting bit which is welded on the matrix of bit by brazing. The matrix drill bit is sintered with tungsten carbide powder, brazed with polycrystalline diamond composite sheet on tungsten carbide matrix and protected by natural diamond.

8811301069_1332205681.jpg  钢体PDC钻头,是用镍、铬、钼合金机械加工成形。经过热处理后在钻头体上钻孔,将人造聚晶金刚石复合片压入(紧配合)钻头体内,用柱状碳化钨保径。


8811349470_1332205681.jpg8827205461_1332205681.jpgHigh precision metal seal is adopted. The metal seal consists of an elaborately designed and manufactured metal seal ring as the axial dynamic seal of the bearing, and two highly elastic rubber energy supply rings are located in the palm of the tooth and the sealing area of the tooth wheel as the static seal. The optimized sealing compression ensures that the sealing surfaces of the two metal rings are always in good contact.

 

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