削

A series of irregular wave experiments on chamfered vertical breakwater were carried out to obtain the statistical characterization and the uncertainty coefficients for wave force.

通过不规则波浪的物理模型实验，给出了作用在削角防波堤波浪力不确定性系数及其统计特征，提出了适合削角防波堤的合田良实修正公式，并明确了不规则波条件下破碎波对削角堤作用特点。

Through improving the geometric parameters of the cemented carbide bit such as the rake angle of main cutting edge,outer fringe cusp and chis...

通过对钻削加工用硬质合金钻头的几何参数进行改进，主要是对主切削刃前角、外缘转点以及横刃进行改进，达到降低钻削功率的目的，同时，利用多元线性回归理论，得出基于实验数据的多元回归钻削功率的数学模型，从理论上证明此次刀具改进的有效性。

It is a complex system engineering and a synthesize integration of machine configuration and materials, machine tool design and manufacture, main spindle system, feed system, wheel and its truing system, coolant and its supplying system, high performance monitor and control system, high speed grinding mechanism and process, et al.

高速磨削和高效深磨是一个复杂的系统工程，是在机床结构及材料、机床设计制造、主轴系统、进给系统、砂轮及修整系统、磨削液及供给系统、高性能监控系统、高速磨削机理及工艺等相关技术的基础上综合集成。

In the second part, the effects of grinding depth of cut, workpiece speed of feed, wear of wheel and grinding fluid on workpiece burn are reveal. And also, microhardness of ground surface layer as well as burn colour of surface are investigated experimentally.

第二部分通过大量的实验，探讨了磨削深度，工件进给速度，砂轮磨损和磨削液对磨削烧伤的作用机理，依据实验，本文提出了一些新的观点。

Eenterless grinding involves passing a cylindrical workpiece, which is supported by a rest blade, between two wheels, i.e., the grinding wheel and the regulating or feed wheel.

无心磨削：无心磨削：无心磨削用于加工圆柱形工件，工件由托板支撑，在两轮即砂轮和调节或进给轮之间通过去。

The results show that the friction factor is decreasing with the vibration parameters, and increasing with the feedrate.

通过仿真和实验证明了新模型的正确，将钻削平均力的实验值和新振动钻削力模型和单切削力模型的理论值进行对比，证明了新钻削力模型更接近实验值，能反映钻削过程的真实情况。

The universal index head is provided at 24 positions so that any particular angle of shape can be obtained, free 3600 or 100 rotation is allowed for grinding End Mills、Twist Drill、Lathe Tools, only replace the attachment to the index head without any complex setup.

磨削分度头可在24种位置下操作以便于磨削任何角度和形状，只需替换分度头上的附件而不需任何复杂的步骤就可进行立铣刀、雕刻刀、钻头、车刀、球头立铣刀的磨削。

Based on grinding temperature experiment and heat transfer theory,grinding heat partition in engineering ceramics is obtained.

基于磨削温度的实验和传热学理论，得出了工程陶瓷工件的磨削热分配比；得出了干磨及湿磨两种状态下工程陶瓷磨削温度场的分布。

The stable lobe graph for high speed milling of 2A12 aluminum alloy thin-walled workpieces was obtained by utilizing modal parameters and force coefficients,which were acquired respectively by milling tests and modal analysis tests on Mikron high speed...

针对2A12铝合金薄壁结构零件，利用M ikron高速加工中心和相关仪器，通过铣削力实验和模态实验，分别测得特定刀具和工件系统的动态铣削力系数和模态参数，从而绘制出高速铣削薄壁零件的稳定性叶瓣图，得到了不同径向切深条件下的极限轴向切深，并通过试验进行了验证。

The grooves with single-pass milling and two-pass milling tests and the surface quality with multiple-pass milling process are systemically studied.

研究了磨料水射流单次、两次铣削凹槽的结构形状和平面铣削加工时铣削表面的质量。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。