preset bit load是什么意思

网络释义

用法例句

Under the condition of fixed-pressure pretension,rotating speed has little effect on the radial stiffness of bearing,however,the axial stiffness and angular stiffness were decreased significantly with the increase of the rotating speed.

分析结果表明,定位预紧下轴承的径向刚度随转速的增大而增大,而轴向刚度和角刚度随转速的增大,先增大后减小;定压预紧下,轴承径向刚度受转速影响较小,而轴向刚度和角刚度随转速增大急剧下降。

After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented.

根据复合构件加工中的各种缺陷,分析了采用预压应力钻削对改善表面加工质量的重要性。

This paper briefly introduce the principle of pre-drilling pressure meter test,the analysis of engineering main influent fantors.

简要介绍了预钻式旁压试验工作原理,对工程程中常见的几种主要影响因素进行分析研究并提出有效的控制,以提高试验结果准确性,为基础设计提供合理准确的设计参数。

Only through accurate pre-drilling pressure prediction and carefully geologic study, the drilling safety can be assured.

只有准确地搞好钻前压力预测,搞好油气地质研究,才能确保钻井的安全。

In view of cost, practicability and maneuverability, the special sintering diamond trepanning drill was developed for drilling ceramic composite components originally.

根据复合构件加工中的各种缺陷，分析了采用预压应力钻削对改善表面加工质量的重要性。

Application of formation pressure prediction technology to drilling in Junggar Basin

地层压力预测技术在准噶尔盆地钻井中的应用

bit's directional cutting ability

钻头的定向切削能力

Research on the Use of Later Low-pressure Grouting to the Drilling Hole Pour Pile;

钻孔灌注桩低压力后压浆的应用研究

Study on New Drilling Force Model of Vibration Drilling and Vibration Drilling with Invariable Parameter and Variable Parameter;

振动钻削新钻削力模型及定、变参数振动钻削的研究

The Research and Design on Three-Component Piezoelectric Drilling Dynamometer and Torque-Loading Device;

三向压电钻削测力仪的设计及扭矩加载器的研制

The Manufacture and Experimental Research on No-centering Four-Component Piezoelectric Drilling Dynamometer;

无定心四向压电钻削测力仪的研制及其实验研究

Structural dynamic analysis on ultrasonic driller and drilling experiments

超声钻结构动力分析与钻削实验研究

Modeling and Appling of Drilling Speed of Cutting Type PDC Bit;

切削式PDC钻头钻速方程建立及其应用

Application of Monitoring Formation Pressure while Drilling in Western Sichuan Basin

川西地区地层压力随钻监测方法应用

Construction Measures of Hole Drilling of Prestressed Cable in Loose Deposit

松散堆积体预应力锚索钻孔施工措施

Influence of prebored hole measures on compacting effects of jacked piles

预钻孔措施对静压桩挤土效应的影响分析

The Analysis of the Drilling Technology of the Cylinder of the Hydraulic Breaker

液压破碎锤缸体钻削工艺的分析研究

Development and Performance Test of Piezoelectric Vibrating Drilling Table

压电式振动钻削工作台及其性能测试

drill(ing) head

钻头; 主轴头; 钻床床头箱; 钻削动力头;钻头头部, 钎头

Using artificial neural networks to predict the cutting force of high-speed milling hardden steel

应用人工神经网络预测高速铣削淬硬钢的切削力

hydraulically-loaded pre-stressed rolling mil

液压加载预应力轧机

Application of the thrust self-adaptive technology to the mine fully hydraulic drill

推力自适应技术在煤矿全液压钻机中的应用