1) steel ball percussion tools
球体冲击器
1.
In many medium-hard rock stratums,carbide alloy bit and steel ball percussion tools can be used together for higher ROP and better coring result with borehole deflection preventing.
在大量遇到的中硬岩层中采用硬质合金钻头+球体冲击器实现回转冲击钻进可明显提高机械钻速和取心效果,并防止孔斜,具有很好的推广前景。
2.
Also the structure and working principle of a new type steel ball percussion tools used for rota.
在此基础上介绍了一种用于软-中硬岩层中回转冲击钻进的新型球体冲击器的结构、工作原理以及大幅度提高机械钻速并降低成本的试验效果。
2) Steel Ball Percussion Tools
钢球冲击器
1.
Test results and application of new–type Steel Ball Percussion Tools;
新型钢球冲击器及其试验效果
3) sphere impacting
冲击球压
1.
Indentation-impacting stress relation and contact damage of granite, marble, concrete and mortar were investigated respectively under sphere impacting by homemade instrument.
用自制的冲击球压装置研究了花岗岩、大理石、混凝土及砂浆在颗粒冲击下的压痕-冲击应力关系和接触损伤的规律,结果表明:花岗岩、大理石的压痕-冲击应力关系以线性为主,随着应力的提高材料发生突然断裂;混凝土和砂浆线性关系相对不明显,这在宏观形貌上表现为损伤区的形貌特点不同。
4) spherical shock waves
球面冲击波
5) ball peening
介质球冲击
6) impact coal-mass
冲击煤体
1.
The experiments of strength, destruction process and destruction type for samples of hard coal, soft coal and medium-hard coal are carried out, and the destructive characteristics of impact coal-mass,especially the law of volume-expanding in whole process from the load to be set on to destruction of coal-mass, are analyzed.
对硬煤、软煤和中硬煤的试样进行了强度、破坏过程和破坏类型的试验,分析了冲击煤体的破坏特征,重点研究煤体由加载到破坏全过程的扩容演化规律。
补充资料：标准操作冲击电压波形(见冲击电压发生器)
标准操作冲击电压波形(见冲击电压发生器)
standard switching impulse voltage waveform
b .oozhun CooZuo ChongJld，onyo boxlng标准操作冲击电压波形(standard switchingimpulse voltage waveform)见冲击电压发生器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条