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- SIMULATION OF IMPACT FORCE AND PENETRATION RATE OF AIR HAMMER BIT DRILLING 空气冲旋钻井冲击力和机械钻速仿真研究
- air hammer bit 冲旋钻头
- An air hammer is a kind of pneumatic tool for industrial use. 气锤是一种工业用气动工具。
- So,it will became the tendency of development that the use the air hammer dilling resoves these preblom. 因此,应用空气锤钻井技术解决深井、超深井的提速防斜问题将成为发展的趋势。
- Our company wants to buy two more air hammers. 我们厂想添购两个空气锤。
- Main Products: Hand tools, Air Sander, Air Hammer, Air Ratchet, Air Die Grinder, Air Cut-off Tool, Air Impact Wrench, Air Reversible Drill. 主要产品:手动工具,砂布机,气锤,棘轮扳手,直型砂轮机,切割机,风扳,气锤。
- Because of the low penetration rate and loss of fault in block 32 and 53 in YEMEN,the problem of loss was successfully salved by adopting the foam drilling fluid and accelerated the drilling speed in hard formation by applying the air hammer. 也门 32区块和 5 3区块地层可钻性差、存在断层漏失 ,采用泡沫钻井液有效地解决了井漏问题 ,应用空气锤钻井加快了硬地层的钻进速度 ;
- Living examples in repair of air hammer parts by manual bead weldi ng of electrical are have been introduced, which are useful for lengthening serv ice life of air hammer parts and saving cost. 介绍了用手工电弧堆焊的方法将一些空气锤零件修复的实例,对延长空气锤零件的使用寿命、约生产成本有一定的参考价值。
- Living examples in repair of air hammer parts by manual bead welding of electrical are have been introduced, which are useful for lengthening service life of air hammer parts and saving cost. 介绍了用手工电弧堆焊的方法将一些空气锤零件修复的实例,对延长空气锤零件的使用寿命、节约生产成本有一定的参考价值。
- A computerized overall forging system's model including hammerer,air hammer and forging part was developed. 开发了人一空气锤-锻件人机系统模型仿真软件。
- The air in the garden was warm and fragrant. 花园里的空气一片温馨。
- The archers sent their shafts through the air. 弓箭手向空中射出利箭。
- Failure Analysis and Solution for Air Hammer 空气锤故障分析及处理
- Repair of Air Hammer by Bead Welding 空气锤的堆焊修复
- Keywords DTH hammer bit;tungsten carbide insert;impact;mesh size;LS-DYNA3D; 潜孔锤钻头;硬质合金球齿;冲击;网格尺寸;LS-DYNA3D;
- Repair on flange of air hammer piston guide bushing 空气锤锤杆导程法兰的修复
- Mending of Pulling Damage of Handle of Air Hammer 锤杆导程及导板拉伤的修补工艺
- The lack of air in the room make everyone sniffle. 屋子里空气缺乏,使得每个人都频频吸气。
- During the intermission, let's go out for some fresh air. 幕间休息时,我们出去呼吸呼吸新鲜空气吧。
- The air held a foretaste of a storm. 天气有要括大风的迹象。