It has been used in experimental investigations of rotary ultrasonic drilling on CFRP composites with force controlled.
此外，在跟踪过程中，为了提高跟踪速度的同时，又保证搜索精度，采用了基于模糊控制的变步距跟踪技术。
The velocities of ultrasonic wave and rock drillability are measured in perpendicular and parallel directions of the bedding plane of core samples which were cut from the approach hole of Chinese continental scientific drilling. Rock drillability index and P-wave velocity anisotropy coefficient are calculated from the testing data; and the results are discussed.
通过室内实验分别测定了岩芯垂直于和平行于地层层面方向的可钻性及声波速度，得到了岩石可钻性各向异性指数和波速各向异性系数，并对结果进行了讨论。
Now, we have various series of ultrasonic products, like ultrasonic cell disruptor, ultrasonic cleaning machine, ultrasonic plastic welding machine, ultrasonic nano materials manufacuring machine, ultrasonic extractor, ultrasonic auto drilling machine, ultrasonic reaction vessel.
公司拥有各大超声系列产品，分别有超声波细胞粉碎机、超声波清洗机、超声波塑料焊接机、超声波纳米材料制备机、超声波提取机、超声波自动打孔机、超声波反应釜等。
Have a 15-ton electric arc furnace, 15-ton AOD furnace, 3-ton electric-hydraulic hammer, air hammer, common lathe, CNC lathe, large-diameter end face lathe, vertical lathe, drilling and other production equipment more than 100 Units; the existing chemical composition analysis equipment, Portable Direct Reading Spectrometer alloy composition analyzer, SPECTRO desktop direct reading spectrometer, complete sets of metallographic analysis, ultrasonic flaw detector, magnetic particle flaw detector, universal tensile testing machine, impact tester, hardness testing, ultrasonic thickness testing equipment, etc., production fully equipped, perfect testing means, at home with the industry's leading annual production of alloy steel, stainless steel bar and forging material 30, 000 tons, 5, 000 tons of finished flanges.
拥有15吨电弧炉、15吨AOD炉、3吨电液锤、空气锤、普通车床、数控车床、大口径端面车床、立车、钻床等生产设备100多台；现有化学成份分析设备、便携式直读光谱合金成份分析仪、SPECTRO台式直读光谱仪、成套金相分析、超声波探伤仪、磁粉探伤仪、万能拉力试验机、冲击试验机、硬度试验、超声波测厚仪等检测设备，生产设备齐全，测试手段完善，在国内同行业领先，年生产合金钢、不锈钢棒材及锻材30000吨、成品法兰5000吨。
Methods Thirty-six SD rats were divided into three groups with 12 for each group: carotid endarterectomy group, sham-operated group, and normal control group. Carotid endarterectomy model was manufactured by drilling the carotid intima with a diamond bur in the experimental group; after 2 weeks of normal diet, a high-resolution ultrasonic imaging system for small animals was employed to identify the degree of vascular stenosis, and HE staining was performed to measure lumen area and expression of VCAM-1 on vessel wall.
将36只SD大鼠分为颈动脉内膜剥脱组、假手术组、正常对照组，每组12只；实验组采用金刚钻头磨除颈动脉内膜的方法制造内膜剥脱模型，2周后应用高分辨率小动物显微超声成像系统评价血管的狭窄程度，并取材行苏木精-伊红染色，测定管腔面积，同时采用Western Blot检测VCAM-1在血管壁上的表达。
Carotid endarterectomy model was manufactured by drilling the carotid intima with a diamond bur in the experimental group; after 2 weeks of normal diet, a high-resolution ultrasonic imaging system for small animals was employed to identify the degree of vascular stenosis, and HE staining was performed to measure lumen area and expression of VCAM-1 on vessel wall.
将36只SD大鼠分为颈动脉内膜剥脱组、假手术组、正常对照组，每组12只；实验组采用金刚钻头磨除颈动脉内膜的方法制造内膜剥脱模型，2周后应用高分辨率小动物显微超声成像系统评价血管的狭窄程度，并取材行苏木精-伊红染色，测定管腔面积，同时采用Western Blot检测VCAM-1在血管壁上的表达。
The major existing production equipment including punch 23 Units, Compressor Units 3, 6 Units Tapping Machine, Spot Welder 3 Units, Units 1 shears, ultrasonic degreasing machines Units 1, 3 Units drilling, milling Units 3, line cutting machine 7 Units, 5 Units grinder; testing equipment mainly has caliper, micrometer, projection machine, thread plug gauge, height and so on.
现有主要生产设备包括冲床23台，空压机3台，攻牙机6台、点焊机3台，剪板机1台，超声波除油机1台，钻床3台，铣床3台，线切割机7台，磨床5 台；检测设备主要有卡尺、千分尺、投影机、螺纹塞规、高度规等。
Research on the design of ultrasonic vibration drilling acoustic system
超声振动钻削声学系统的设计研究
The design formulas of different longitudinal vibration conical horns are given through analyzing the ultrasonic vibration drilling system theoretically, and the relationships between the area coefficient and resonance length, displacement node, maximum node, magnify coefficient, form factor are analyzed.
通过对超声振动钻削系统的理论分析，给出了不同的纵向振动圆锥形变幅杆设计公式，分析了面积系数与谐振长度、位移节点、极大值点、放大系数和形状因素之间的关系。
Experimental results show that ultrasonic vibration drilling and grinding process can obviously improved the surface quality of Al_2O_3 engineering ceramics, therefore, as a new method about ceramics precision finishing can be considered.
结果表明，超声振动钻磨可明显地提高Al2O3工程陶瓷表面的质量，是陶瓷精密加工的一种新方法。
The ultrasonic vibration deep hole processing drilling machine is the use ultrasonic vibration system to the drill bit infliction vibration, causes the drill bit to cut in the vibration, causes the cutting with two according to the rule change, thus achieves the improvement cutting potency the goal.
超声振动深孔加工钻床是利用超声振动系统对钻头施加振动，使钻头在振动中切削，使切削用两按规律变化，从而达到改善切削效能的目的。
Test Research of Grinding and Drilling with Ultrasonic Vibration on Hard and Brittle Glasses
在硬脆材料玻璃上超声振动研磨钻孔试验研究
Discussion on Replacement problem of ultrasonic Drilling Tools
超声钻削加工工具更换问题的探讨
Ultrasonic Testing and Defect Analysis for Butt Weld of Square Drilling Pipe
方钻杆对接焊缝的超声波检测及缺陷分析
Three mechanical stress release method of hole-drilling, cutting, and layer removing were applied to relax the residual stresses of ultrasonic shot-peening 316L stainless steel.
本文对云纹干涉钻孔法中一些主要误差源进行了分析，并用数值模拟的方法对条纹级数误差引起的残余应力计算误差进行了估计。
Based on the deduced models and the indentation fracture mechanics, material removal rate (MRR) in RUD being higher than that in conventional ultrasonic drilling is explained.
并从工件应力场的角度解析了旋转超声钻削材料去除率高于普通超声钻削材料去除率的现象。
The image of drilling hole can be intuitively given by using ultrasonic detection.
利用超声波对钻成孔进行检测，可以直观地给出钻孔的垂直度、孔径等参数。
Exponential compound horn with tool is installed in rotary ultrasonic machine tool. Drilling and simple processing of three-dimensional surface are implemented. Experimental results show that the vibration system has a high processing efficiency and good processing precision.
然后将带负载的指数形复合变幅杆安装在超声振动系统上进行旋转超声加工实验研究，从而证明该变幅杆具有较好的加工效率和加工精度。
The resonance of sonic wave vibration is the key technology in the ultrasonic vibration drilling.
超声振动钻削中声振系统的共振是实现超声振动钻削的关键技术问题。
Strength inspection methods of concrete structures are classified in terms of their theories, and several conventional strength inspection methods are presented, such as rebound method, ultrasonic method, drilling core method and extracting method, etc.
将结构混凝土强度无损检测方法按照其原理进行了分类，并介绍了几种常用检测方法，如回弹法、超声波法、钻芯法、拔出法等。