Carbide bit

study on ball carbide bit in drilling gravel formation

球状合金钻头在卵砾石层钻进中的应用研究

application of tungsten carbide to the rock bit slide bearing

硬质合金在牙轮钻头滑动轴承上的应用研究

the micro-drilling test shows that diamond enhanced carbide tungsten composite button bit has high drilling efficiency in slipping formation.

室内微钻试验表明，金刚石增强型硬质合金复合齿钻头钻进打滑地层时具有高时效的优点。

stress analysis on welded seam and carbide bit of the pick-shaped cutter

镐形截齿硬质合金刀头及焊缝应力分析

The design and manufacture technique of drill bits with impregnated diamond and tungsten carbide bar are presented in this paper. The technique on the bit of impregnated and tungsten carbide bar with diamond composite is proposed.

介绍了针状硬质合金-金刚石复合型钻头的设计与制造工艺以及在孕镶针状硬质合金钻头基础上复合金刚石的研究方法。

s: along with the oil prospecting and production, the existent drilling bit ( steel and tungsten carbide tooth bit) was not effective in some complicated stratum.

随着油气勘探开发的不断深入，现有牙轮（钢齿、镶齿）钻头已难以对一些复杂地层进行有效的钻进。

failure analysis of cemented carbide bit of cutter

硬质合金截齿齿头的失效分析

during the deflected drilling, carbide bit was selected.

在偏斜钻进时选用硬质合金钻头。

on the suggestions of revising the current national standardization for drilling carbide bit and joint conical bit stem

关于修订凿岩硬质合金钎头和锥体连接钎杆国标的建议

Carbide welded taper shank core drill cone type roller bearing rock bit

硬质合金焊接式锥柄扩孔钻滚柱轴承锥形牙轮钻头

direct reduction carburization processing for ultrafine wc-based hardmetal powder materials; sintered tungsten carbide compact bit

超细碳化钨基硬质合金粉末及材料的直接还原碳化技术镶碳化钨硬合金齿钻头

tungsten rhenium alloy wires sintered tungsten carbide compact bit

GB/T4184-1984钨铼合金丝镶碳化钨硬合金齿钻头

during zro_2/ cepo_4 drilling processes, wear of carbide drill bit occurs in three regions, major flank, minor flank and chisel edge.

可加工陶瓷ZrO2/CePO4钻削过程中，硬质合金钻头的磨损主要包括3种形态：主后刀面磨损、第一副后刀面磨损和横刃磨损。

It is available to strengthen the bit teeth by replacing the granular casting tungsten carbide with the spheroidal sintering tungsten carbide.

用球状烧结碳化钨代替粒状铸造碳化钨作钢齿钻头齿面堆焊材料是提高齿面强化效果的有效途径。

multiple carbide hard metal sintered tungsten carbide compact bit

镶碳化钨硬合金齿钻头