表面精度

经过几次反复的调整，主面的表面精度优于0.5mm（RMS），满足了电气测试的要求。

The final surface accuracy was 0.5mm ( r.m.s ) after six adjustments , which was a satisfied result . The testing result in electric capability was perfect .

对于高精度的薄膜结构来说，褶皱是影响其表面精度的主要因素。

For high precision membrane structure , wrinkles are the main factors related close to the surface accuracy .

采用特种砂V法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。

The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique .

本文提出了一种计算激光散射截面（LRCS）的方法，并用此方法计算了铝球五种表面精度的LRCS。

In this paper a method for calculating the laser radar cross section is presented . It is used to calculate the LRCS of an aluminium ball with five types of rough surface .

用激光全息错位法检测棱镜表面精度

Detection of Prism Surface Precision by Transposition Method of laser Holography

分析结果为空间充气展开天线反射器表面精度控制提供依据。

Results offer evidences for precision control of inflatable space antenna reflector .

精加工可以成功地避免干涉并且获得可靠的表面精度。

The finishing machining can avoid interference successfully and get reliable surface precision .

该算法不但能减少加工时间，节约支撑材料，而且能很好地保证支撑面上零件的表面精度。

Hence reduction of the processing time , saving support material and the surface precision insured .

本文介绍了一种用激光全息波面错位来检测棱镜表面精度的方法。

In this paper , It is recommended a wavefront transposition method that measured the precision of prism surface .

为了保证气缸的密封性，铁基阀板必须具有较高的表面精度。

To ensure the sealing of cylinder , a high level of surface accuracy is required for the plate .

褶皱会影响膜结构的表面精度，破坏结构的力学性能，严重者甚至导致膜材撕裂。

The wrinkling will affect the surface accuracy of membrane , damage the mechanical property and even destroy the membrane .

在确定性抛光过程中，去除函数对于工件表面精度的提高具有非常重要的作用。

In deterministic finishing , the removal function is a very important step to improve the surface accuracy of the workpiece .

从硅胶模具的真空注塑和制件固化过程分析了影响制件表面精度的主要工艺参数。

It analyzes the main facts that affect the surface roughness of the workpiece through the process of vacuum-casting and solidification .

随着光学与微电子学等技术的不断发展，对其中关键零件表面精度的要求越来越高。

With the development of microelectronics and optics , the requirement for the surface precision of key components is increasingly stricter .

天线反射面的表面精度是主要技术性能指标之一，它直接影响着天线的电性能。

The surface precision is one of the main technique standards for reflector antennas , which influences the electric performance of antennas directly .

提高板沟与钢球的密合精度可以延长板沟的疲劳寿命和提高钢球的表面精度。

The service life of the plate and the accuracy of balls can be improved if the groove and the ball fit better .

通过对信噪比的分析，获得了各加工参数对微小孔流道表面精度的影响次序。

Through the analysis of signal-to-noise ratio , the influencing order of machining parameters on the micro-hole runner surface precision can be accomplished .

研究结果表明，选取合理的工艺参数能提高工件表面精度和减少刀具的磨损。

The results show that reasonable process parameters are help for better surface integrity of machined workpiece and decrease wears in the tool .

为满足非球面光学元件表面精度的测量要求，设计和实现了一种高效数控非球面测量系统。

According to the requirement of the high precision aspheric surface measurement , an effective aspheric surface measurement system is designed and realized .

为了获得较高的表面精度，必须精确控制水射流加工的各种工艺参数。

In order to obtain high surface quality of the product , the parameters of abrasive water jet machining process must be precisely controlled .

结果表明：合理选择砂轮振动频率或工件主轴转速能有效提高工件表面精度，降低表面波纹度。

The results showed that , with appropriate wheel vibration frequency or appropriate workpiece rotate speed , the surface precision of workpiece can be improved .

建立了以反射面表面精度为目标，强度和频率为约束的优化数学模型。

The optimal mathematic model is built , with the surface accuracy as objective , the strength and frequency as constrains , and solved accordingly .

由所得试验数据分析了各工艺参数的变化对于熔覆层几何尺寸、表面精度及微观形貌的影响。

According to the test result , the relationship between some process parameters and the cladding layer size , surface accuracy and microstructure was studied .

由于在分解时考虑了关键表面精度，所以在加工时间、支撑体积和表面精度等方面都有很大的优化。

Because of considering the critical surface accuracy when decomposing , this algorithm can optimize the build time , the support volume and the surface accuracy .

分析了非对称截面特殊型钢轧制的特点：轴向力大，换辊频繁，表面精度要求高；

The characteristics of rolling unsymmetrical section special shape , such as large axial force , high frequency changing roll and high precision surface , are analyzed .

实验结果表明：优化选择砂轮转速、工件转速和加工进给速度，可有效减小砂轮振动，提高工件表面精度。

The result of experiment shows that choosing a reasonable grinding parameter can effectively reduce vibration of the grinding wheel and improve the precision of elements ' surface .

数值结果表明，两种途径都能实现所要求的表面精度，对天线的网面调整工作具有一定的指导意义。

The simulation results have shown that the desired surface accuracy can be achieved by two ways , and it can be referred to in engineering shape adjustment .

热滚挤还使工件最终成型，并达到要求的表面精度，而省去某些高精度的传统的加工工艺。

Hot roll finishing also creates the final net shape of the component and surface preciseness demanded can be met without the more costly traditional techniques of metal removal .

此外，还指出由于模具材料的性能直接影响模具性能及加工精度，从耐磨性、刚性和保持表面精度等要求出发大多选用超硬度的钢材。

Moreover , since the properties of the mould material affect the mould performance and precision directly , super-rigidity steel was selected according to the requirements of wearability , rigidity and precision .

褶皱的出现不仅会影响到结构的表面精度，而且会改变结构的应力分布状况，影响结构的振动特性，并对风荷载作用下的气动特性产生不利影响。

The existences of wrinkles not only affect the surface accuracy of a structure , but also change its stress distributions and vibration performance and further affect the aerodynamic characteristics under wind load .