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- Among vacuum brazed diamond tools, diamond bead, diamond core bit and diamond saw blade are patent products in China. 其中釬焊金剛石工具中釬焊串珠、釬焊鉆頭和釬焊鋸片是國家專(zhuān)利產(chǎn)品。
- The lateral imbalance force on a polycrystalline diamond compact(PDC) bit is one of the important causes to lead severe bit whirl, which is associated closely with cutting structure on a bit. 聚晶金剛石(PDC)鉆頭的側向不平衡力是造成鉆頭渦動(dòng)的主要原因之一,而側向不平衡力取決于鉆頭的布齒結構,通過(guò)合理的布齒結構設計,可有效地控制側向不平衡力的大小。
- PDC bit uses polycrystalline diamond compacts (PDC) as cutters. pdc鉆頭用聚晶金剛石（復合片）作為刀具。
- Run in a diamond core bit. 下金剛石取芯鉆頭。
- The polycrystalline diamond compact is the compact of a polycrystalline diamond layer and a tungsten carbide substrate. 人造金剛石聚晶復合片是由金剛石層和硬度合金基體組成的一種復合材料。
- It is found that the exact micro-hardness value of polycrystalline diamond compact (PDC) is got with 4.9N by Knoop indenter. 通過(guò)對比發(fā)現：采用努普壓頭、4.;9N負荷能較精確的測量出硬度值。
- polycrystalline diamond compact bit PDC鉆頭
- The geologist needs to know what rocks the drill has reached, so every so often a sample is obtained with a coring bit. 地質(zhì)學(xué)家需要知道鉆頭已以到達什么樣的巖層,因此時(shí)常要用芯鉆頭取樣。
- Advances in polycrystalline diamond compact( PDC) bits have sharply increased rate of penetration( ROP),reduced drilling time and costs in oil and gas wells. 聚晶金剛石復合片（PDC）鉆頭的發(fā)展及應用，大大提高了鉆井的機械鉆速（ROP），減少了鉆井時(shí)間，降低了鉆井成本。
- Geologist so every so often The geologist needs to know what rocks the drill has reached, so every so often a sample is obtained with a coring bit. 地質(zhì)學(xué)家需要知道鉆頭已經(jīng)到達什么樣的巖層,因此時(shí)常要用取芯鉆頭取樣。
- An inclined impact failure method was proposed,by which impact failure test of the polycrystalline layer in polycrystalline diamond compact(PDC) could be realized. 提出了一種傾斜沖擊破壞實(shí)驗方法,能夠實(shí)現對聚晶金剛石復合片(PDC)聚晶層的沖擊破壞試驗。
- We can design and sidetrack cut bevel bit,core bit and eccentric bit.We can design and produce apace at the same time according the user's needs. 研究設計各種新型金剛石全面鉆進(jìn)鉆頭和金剛石取心鉆頭。
- Use soft matting, wood or similar material as base for making up diamond or Polycrystalline Diamond Compact (PDC) bits. Follow manufacturer's instructions on handling such equipment. 安裝金剛石或PDC鉆頭時(shí)，鉆頭下面要鋪上軟席，木頭或類(lèi)似的材料。遵守制造商的指令操作此類(lèi)設備。
- Sintering temperature is too high or too low possibly creates PDC less than burning or incineration, therefore a timely and effective monitoring to the Polycrystalline Diamond Compact is necessary. 燒結溫度的過(guò)高或過(guò)低都可能會(huì )造成金剛石復合片過(guò)燒或欠燒，因此對金剛石復合片的溫度場(chǎng)進(jìn)行有效實(shí)時(shí)的監控是必要的。
- Based on certain mechanical quality of the rock, the analysis on the Polycrystalline Diamond Compacts (PDC) bit and the rotary percussive drilling is carried out. 在管棚支護所鉆巖石的力學(xué)性質(zhì)基礎上,對管棚支護鉆孔所采用PDC鉆頭和回轉沖擊的鉆進(jìn)方式進(jìn)行了比較分析。
- What type of core bit is it? 這是什么型號的取芯鉆頭?
- Raising the stability of outer core barrel is the main approach to extend the life of core bit and to raise core recovery and the footage of single core barrel. The outer core barrel with centralizer is an effective method to raise its stability. 提高外筒穩定性是延長(cháng)取心鉆頭壽命、提高巖心收獲率及單簡(jiǎn)進(jìn)尺的最主要途徑,而外筒加扶正器是提高其穩定性的有效方法。
- polycrystalline diamond compact (PDC) 聚晶金剛石復合片
- The effects of diamond grain sizes on wear resistance ratio of the sintering diamond compacts are investigated. 研究了金剛石的粒度對燒結體磨耗比的影響；
