1) critical grinding speed
临界磨削速度
2) critical cutting speed
临界切削速度
1.
The results show that the ribbon chips shift to the serrated chips at a certain critical cutting speed because of the occurrence of shear deformation localization in chip shear zones,which is in agreement with the theoretical prediction of the critical cutting speed,and that the shear ban.
结果表明,因切屑剪切区内发生剪切变形局部化,在一定临界切削速度下切屑由带状屑转变为锯齿形切屑;对临界切削速度的理论预测和实验结果基本一致。
3) ?critical drilling velocity
临界钻削速度
4) critical ductile grinding depth
临界延性磨削深度
1.
On the basis of contrast test with or without ultrasonic vibration, the influence of critical ductile grinding depth on grinding forces and surface quality were studied by analyzing the grinding forces in different grinding state and surface quality observed by SEM and AFM.
本文分析了纳米ZrO2陶瓷在普通和超声磨削状态下的裂纹扩展过程及延性去除机理;通过对不同磨削状态的磨削力及AFM和SEM对表面质量的观察,做了在普通和超声磨削状态下的对比试验,研究了临界延性磨削深度对磨削力及表面质量的影响关系;基于超声振动磨削过程及磨削力的分析,讨论了超声振动增加延性磨削深度的原因,最后通过AFM对延性域加工表面形貌的形成机理进行了观察。
5) grinding speed
磨削速度
1.
Conventional diamond millstone for gem processing has shortcomings of diamond grains easily pulled off, unstable running and low grinding speed.
金刚石磨盘已广泛用于宝石加工业 ,而传统方法所制金刚石磨盘其金刚石易脱落、磨削速度低且不稳定。
2.
Through an experiment of grinding polycrystalline diamond (PCD) by diamond grinding wheel, the influences of grinding speed v s on PCD material removal rate Q and grinding consumption ratio G are researched.
通过用金刚石砂轮磨削聚晶金刚石 (PCD)材料的试验 ,研究了磨削速度vs 对PCD材料磨除率Q、磨耗比G的影响。
3.
The effects of the grinding speed on the surface quality of workpieces were analyzed with the equipments.
研制高精度的传动进给系统是精密磨削加工中的关键问题,借此可以精确控制磨削深度和实现蜗杆回转误差的补偿通过对陶瓷摩擦盘的精密磨削实验,分析了磨削速度对工件表面质量的影
6) critical velocity
临界速度
1.
The predicted pressure drop per unit length was compared with the experiments as a result that a critical velocity at which the wall slip begins was obtained and that the relationship .
计算得出水煤浆在管道中流动产生滑移的临界速度,并得到临界速度与管径的变化关系。
2.
The dynamic stress, strain and displacement of the windshield are obtained, and the critical velocity when the windshield failure is also gotten on the FE analysis.
并对某型号风挡进行了鸟撞动响应分析,得出了鸟的运动轨迹和风挡的位移、应力、应变响应以及风挡玻璃的鸟撞临界速度,经与试验结果比较,两者吻合较好。
3.
In radial ultrasonic grinding, the contacting state is discontinuous and the critical velocity accords with the existing vibration cutting theory.
径向超声振动磨削与纵向超声振动磨削 ,其主要差别是磨粒与工件的接触状态不同 ,在径向超声振动磨削中 ,磨粒与工件的接触是间断性的 ,它的临界速度特征符合现有的振动切削理论 ,而在纵向超声振动磨削中 ,磨粒与工件是永久性接触 ,不存在磨粒与工件表面分离的特点。
补充资料：临界流态化速度
分子式：
CAS号：
性质：又称临界流态化速度。在流态化状态下相应的流体速度。所谓流态化状态是指这样一种状态，即在直立的容器内加入颗粒状固体物料，控制流体以一定速度由底部通入，使其压力降等于或略大于单位截面上固体颗粒的重量，固体颗粒即呈悬浮状态运动而不致被流体带走，其上部具有一个水平的界面。
CAS号：
性质：又称临界流态化速度。在流态化状态下相应的流体速度。所谓流态化状态是指这样一种状态，即在直立的容器内加入颗粒状固体物料，控制流体以一定速度由底部通入，使其压力降等于或略大于单位截面上固体颗粒的重量，固体颗粒即呈悬浮状态运动而不致被流体带走，其上部具有一个水平的界面。
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