過輪上鉆 的英文怎麼說
中文拼音 [guòlúnshàngzhēn]
過輪上鉆
英文
top fourth jewel-
Then the blade is form grinded by the high - technology cbn diamond wheel directly. after some processings, the teeth with top angle, side angle and knife angle are manufactured. this saw is easier to use, and its cutting side is more tidier, flatter and smoother
在鋸片兩邊的表面上研磨出兩道圓弧如圖,再以高科技cbn鉆石砂輪直接做成型研磨form grind ,經過數道加工程序,製造出具有上切角top angle邊切角side angle及刀刃角knife angle的鋸,使在使用上更為輕松容易,切削麵也更為平整光滑。3. solve the key problem during the 2d engaging design of the tri - cone rock bit. if you move or rotate any insert with mouse, the other two inserts in the same cycle change same positions
解決了三牙輪鉆頭二維嚙合設計中的關鍵技術?聯動布齒,通過鼠標移動和旋轉任意一個牙齒,同一齒圈上的其它兩個牙齒做相同的位置變動。In chapter six, based on the preceding chapters " research, the practicality of the full scale dr i 11 ing simulating test device has been tested by the debugging and the performance test. under simulating drilling conditions, the rock mechanical properties and the bits " dynamical tests are analyzed and set forth specifically. at the same time the effect of bottom pressure difference on the oil field exploration and development has been discussed
第六章在前述分析研究的基礎上,通過對模擬裝置的系統調試及性能測試,驗證了全尺寸鉆井模擬裝置的實用性,在鉆井模擬條件下對巖石的機械性質、牙輪鉆頭動態測試給予了具體的分析闡述,同時還分析探討了井底壓差對油田勘探開發的影illb ,並且為宋深101井的實際施工作業提供了非常有價值的指導參數。The design that the active protection is taken in the paper is a breakthrough of common methods of gage protection. on the basis of the well - done roller cone bits and pdc bits, three practicable schemes are provided. as a result of selection and design, two brand - new multiple drill bits are invented, that is, protector - tri - cone mdb and protector - single - cone mdb
本論文突破傳統的被動保徑思維,採用主動保徑方法,並在業已成熟的牙輪鉆頭和pdc鉆頭技術的基礎上,提出了三種可行的復合鉆頭實施方案,並經過精心選擇和設計,推出兩種新型復合鉆頭,即變徑保徑器?三牙輪復合鉆頭,變徑保徑器?單牙輪復合鉆頭。分享友人