您要查找的是不是:
- big- diameter hole drilling 大孔钻孔
- small diameter hole drilling 小口径钻进
- WISDOM DEEP HOLE DRILLING MACHINE CO., LTD. 慧能深孔机械有限公司。
- Dual action: hammer drilling and hole drilling. 二模式动作:锤钻及单钻孔。
- DEEP HOLE DRILLING TECHNOLOGY LTD. 北京哈镘深孔技术有限公司。
- Now this technique is applied in the slim hole drilling in Daqing Oil Field. 目前,此项技术已在大庆油田小井眼钻井中推广应用。
- This paper introduces the way to turn big diameter holes by rocker drill-press,and analyses its feasibility and applied value though an example. 介绍利用自制专用工具,用摇臂钻床加工管板大直径管孔的方法;并以一实例加以说明该方法在加工大直径管孔上的可行性及实用性。
- Test Research on Parameter Optimization for Long and Medium Hole Drilling and Blasting in Sanxin Co. 三鑫公司中深孔凿岩爆破参数优化与试验研究。
- The hole drilling method is presented to measure residual stresses in orthotropic materials. 讨论了小孔法测量正交各向异性材料残余应力。
- The compound material of resin matrix may produce serious smirch phenomenon during the minute hole drilling. 以树脂为基体的复合材料在微孔加工中会产生严重污斑现象。
- The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field. 结合丰城矿区高地应力、合顶板等复杂地质条件,研究深井条件下煤巷锚索采用小孔径、加高预应力的结构形式和施工工艺。
- Strain gage hole drilling method is one of the most popular residual stress measurement methods. 应变片钻孔法是工程中应用最广的残余应力测量方法之一。
- The theory of multi-object optimization is used to perform an optimized designation of slim hole drilling parameters. 应用多目标优化理论,对小井眼钻井参数进行了优化设计。
- The rotation graphic method for calculating the regulating angle in the machining of the hole drilling is presened. 提出采用旋转图解法计算钻孔加工中的调整角度。
- However, the rate of metal removal is very small, which limits the use of lasers to hole drilling and cutting operations in relatively thin materials. 不过,由于金属切削量很少,使得激光切削的应用局限于钻孔和较薄材料的切削。
- According to the mechanical characteristics of engineering ceramics,the special diamond impregnated bits are developed for hole drilling. 根据工程陶瓷的性能特点,研制了孕镶金刚石钻头并对其进行孔加工实验研究。
- At spawning, beds were covered with perforated transparent and black plastic sheet (0. 03 mm thick; 10 cm diameter holes were spaced 10 cm apart giving 25 holes/m2). 菇床覆以打孔的、透明的、黑色的塑料膜(0.;03 mm厚;孔直径10 cm;孔间距10 cm以保证25孔/m2)。
- Its main products include such six kinds of products as gear cutter, broaching cutter, hole drilling cutter, milling cutter, threading cutter and etc. 主要产品有齿轮刀具、拉削刀具、孔加工刀具、铣削刀具、螺纹刀具等六大类产品。
- Design of club-footed pile in large diameter hole 大直径挖孔扩底桩的设计探讨
- Our firm is likely to reap a big profit this year. 今年我们公司很可能获得巨额利润。