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- Among vacuum brazed diamond tools, diamond bead, diamond core bit and diamond saw blade are patent products in China. 其中釺焊金剛石工具中釺焊串珠、釺焊鑽頭和釺焊鋸片是國家專利產品。
- 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)鑽頭的側向不平衡力是造成鑽頭渦動的主要原因之一,而側向不平衡力取決於鑽頭的布齒結構,通過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鑽頭用聚晶金剛石(複合片)作為刀具。
- Run in a diamond core bit. 下金剛石取芯鑽頭。
- The polycrystalline diamond compact is the compact of a polycrystalline diamond layer and a tungsten carbide substrate. 人造金剛石聚晶複合片是由金剛石層和硬度合金基體組成的一種複合材料。
- It is found that the exact micro-hardness value of polycrystalline diamond compact (PDC) is got with 4.9N by Knoop indenter. 通過對比發現:採用努普壓頭、4.;9N負荷能較精確的測量出硬度值。
- polycrystalline diamond compact bit PDC鑽頭
- The geologist needs to know what rocks the drill has reached, so every so often a sample is obtained with a coring bit. 地質學家需要知道鑽頭已以到達什麼樣的岩層,因此時常要用芯鑽頭取樣。
- Advances in polycrystalline diamond compact( PDC) bits have sharply increased rate of penetration( ROP),reduced drilling time and costs in oil and gas wells. 聚晶金剛石複合片(PDC)鑽頭的發展及應用,大大提高了鑽井的機械鑽速(ROP),減少了鑽井時間,降低了鑽井成本。
- 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. 地質學家需要知道鑽頭已經到達什麼樣的岩層,因此時常要用取芯鑽頭取樣。
- An inclined impact failure method was proposed,by which impact failure test of the polycrystalline layer in polycrystalline diamond compact(PDC) could be realized. 提出了一種傾斜衝擊破壞實驗方法,能夠實現對聚晶金剛石複合片(PDC)聚晶層的衝擊破壞試驗。
- 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鑽進鑽頭和金剛石取心鑽頭。
- 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鑽頭時,鑽頭下面要鋪上軟席,木頭或類似的材料。遵守製造商的指令操作此類設備。
- 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. 燒結溫度的過高或過低都可能會造成金剛石複合片過燒或欠燒,因此對金剛石複合片的溫度場進行有效實時的監控是必要的。
- 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. 在管棚支護所鑽岩石的力學性質基礎上,對管棚支護鑽孔所採用PDC鑽頭和迴轉衝擊的鑽進方式進行了比較分析。
- What type of core bit is it? 這是什麼型號的取芯鑽頭?
- 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取心鑽頭壽命、提高岩心收穫率及單簡進尺的最主要途徑,而外筒加扶正器是提高其穩定性的有效方法。
- polycrystalline diamond compact (PDC) 聚晶金剛石複合片
- 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;