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- Study on Axis Straightness Measurement of Deep Hole 深孔轴线直线度测量技术研究
- Application of Virtual Instrument in Axis Straightness Measurement of Deep Hole 虚拟仪器在深孔轴线直线度测量中的应用
- Keywords measurement of deep hole;ultrasonic;diameter;roundness;coaxiality;linearity; 深孔测量;超声波;直径;圆度;同轴度;直线度;
- measurement of deep hole 深孔测量
- This paper analyzes the methods of deep hole machining.We designed boring and rolling tooler. 通过对深孔加工常用方法的分析,设计了一种集镗削、滚压于一体的组合镗滚刀具。
- The study shows that the shape of effective stress field of deep hole bench blasting is quasi ellipsoid and the tip effect appears at both ends. 采用三维有限元数值分析法,通过建立三维有限元计算模型,分析堵塞长度对堵塞区有效应力场的影响。
- In order to solve the difficulties from the drilling of deep hole, this paper introduces the drilling technique for deep hole by supersonic circumferential vibration. 针对深孔加工难度大的特点,采用超声圆周振动加工技术,在普通车床上附加一套振动装置。
- Temperature Measurement of Deep Parts Under Regions of Different Temperetures of the Body Surface. 体表不同温度区下深部温度的测定。
- Aimed at the problems in processing deep hole and narrow deep slot during die manufacture, electrolyzed processing method and experience of deep hole are introduced. 针对模具加工中,经常遇到的深孔及窄深槽的加工问题,介绍了深孔的电解加工方法、经验。
- Keep the jeep in the depth of a deep hole. 把吉普车保存在一深洞的深处。
- The experience left me with a feeling of deep hurt. 这段经历给我心灵上留下了严重的创伤。
- Scientific measurement of the head. 头测量学，头测量学，测颅学头颅的科学测量
- The workpiece's thickness is measured with ultrasonic, and then through the calculation, the diameter, roundness, coaxiality and linearity of deep hole can be synthetically assessed. 提出一种深孔多参数高效测量新方法,利用超声波测量零件壁厚,然后通过计算对深孔的直径、圆度、同轴度和直线度进行综合评定。
- Measurement of the depth of large bodies of water. 海洋测深学，海洋测深术测量大水域的深度
- But the thread of wire-line coring drill pipe made in our country is low strength and short service life.Drill pipe break trouble occurs constantly and it can't fulfill the requirements of deep hole. 我国绳索取心钻杆螺纹强度低，使用寿命短，钻杆折断事故时有发生，不能满足深孔钻进的需要。
- The scientific measurement of time. 计时学时间的科学测量
- A source of deep mental anguish. 悲痛的缘由精神极度痛苦的根源
- The overall measurement of this room is 80 square meters. 这个屋子的总面积是80平方米。
- When did the first measurement of the speed of sound take? 第一次测量声速是在什么时候？
- He was now in the measures of Lewis XIV. 他此刻正与路易十四共商大计。
