All of the casting dimension precision, surface roughness and material control have reached national standard.
铸件尺寸精度，表面精糙度及材质控制均达到国家标准要求。
Traditional mathematic model can not meet the requirement of dimension precision that is needed for tandem cold mill control.
传统的数学模型无法达到冷连轧控制的尺寸精度要求。
Edge heating process can uniform the temperature of hot rolled stip and then benefit the property and dimension precision of the strip.
边部加热对于均化热轧带钢横向温度分布、提高产品性能及尺寸精度具有重要影响。
Multiplayer shells assembly have characteristic, which are high dimension precision, strict form and position tolerance, difficult bond technology and etc.
多层壳体组件具有尺寸精度高、形位公差要求严、粘接难度大等特点。
In the milling procedure, the distribution of stress inside material is uneven, which makes the work-piece deformed and affects shape and dimension precision.
在铣削加工零件时，零件各部分的残余应力分布不均匀，会使工件发生变形，影响工件的形状和尺寸精度。
With the die structure, some conventional stamping processes can be improved and the shape and dimension precision of some formed parts can be better guaranteed.
介绍了一种便于刃磨的曲面冲切模，利用该模具结构可以改进某些传统的冲压工艺过程，并更好的保证某些成形零件的形状和尺寸精。
This paper introduces the method of making sand core, explains the influence of the head design of sand core, assembly of sand core and other factors on the dimension precision of casting.
介绍了制芯方法，阐述了芯头设计、砂芯的组装及其它因素对铸件尺寸精度的影响。
Results showed that compared with sand casting castings, dimension precision and quality of lost pattern castings can be improved and rate of finished products can be increased up to65percent.
结果表明，与砂型铸件相比，消失模法生产的铸件尺寸精度及质量提高，工艺出品率提高到65%以上。
An process of ion bombardment heat treatment for high dimension precision slender rods was discussed through treating the valves with different loading ways, heating temperature, and heating ways.
以气门的离子轰击热处理为研究对象，通过对装炉形式、处理温度及工艺方法等试验，探讨了尺寸精度要求较高的细长杆件的离子热处理工艺。
The precision of the support bearing of the horizontal milling machine bracket affects the rotation precision of the cutter rod, thus affecting the dimension precision and cylindricity of the hole.
卧式铣床支架的支承轴承的精度会影响刀杆的回转精度，从而影响孔的尺寸精度和圆柱度。
Comparing with the existing rapid spray tooling technology, the proposed technique not only shortens the technical flow and reduces the process time, but also improves the mould dimension precision.
与现有的熔射快速制模工艺相比，该工艺不仅缩短了工艺流程和加工时间，还提高了制模精度。
Form and dimension may also be achieved by a number of alternative processes such as hot or cold extrusion, sand casting, die casting, and precision casting.
形式和尺寸也可以通过其它一些可选工艺来达到，比如热挤出或冷挤出加工，沙模铸造，拉模铸造，或精密铸造。
The machining precision can be improved and the dimension scope of machining the polygon prism is enlarged by using the proposed compensation method.
采用这种误差补偿方法可以大大地提高车削多面体的精度，扩大车削多面体的尺寸范围。
According to the accuracy requirements of the analysis with the model dimension, we use the precision casting method to make the models.
应分析精度对模型尺寸的要求，采用了精密浇铸的方法制作模型。
Using average shrinkage rates of injection-molded parts to decide the dimension of mold cavity can not satisfy the demand of high precision injection-molded parts.
采用一般的平均收缩率方法来确定模具型腔的成型尺寸，已难以满足精密注塑成型制品的精度要求。
Measurement with CCD is a very effective non-contacted method for the dimensional measure, which is now widely applied to the precision measure of the part dimension.
利用CCD进行尺寸测量是一种非常有效的非接触检测方法，这种方法被广泛的应用于零件尺寸的精密测量中。
The design of die structure has much influence on shape dimension and precision of the formed crank-arm with a non elliptical section.
对于非椭圆截面曲臂的大型曲轴，其模具结构设计对曲轴成形后的形状尺寸精度影响极大。
Main factors influencing precision of fractal dimension computation include number of data, distribution of data, stationarity of data, no scale area.
研究表明影响分维估计精度的主要因素有四种：数据点数、数据概率分布、数据平稳性、无标度区。
The location of head mounted display (HMD) is the essential crucial process of augmented reality system, it's veracity determines the precision of three dimension registration.
头盔显示器(HMD)定位是扩展现实系统应用中必不可少的关键过程，其定位的准确程度直接决定了三维注册的精度。
Hydraulic valve block balance weight piston sleeve has thin wall, high precision of geometry dimension and strict roughness, and its quality determines the lifetime of balance weight directly.
缸块平衡块的活塞套壁薄，几何尺寸精度要求高，粗糙度要求严格，其质量好坏直接决定平衡块的寿命。
A novel method about two dimension Fourier frequency analysis is proposed in order to obtain high radial rotate precision.
为了改善高速磁浮主轴的径向回转精度，该文提出了二维傅里叶频率分析的新方法。
Dual CCD stereoscopic vision calibration with high precision is the key technology to gain high precision dimension measure of work piece.
双目立体视觉的有效现场标定是实现高精度工件尺寸测量的关键技术。
The cavity dimension calculation of injection mold of plastic small-module precision cylindrical spur gear and its molding technology are introduced.
介绍了精密塑料小模数直齿圆柱齿轮模具型腔尺寸计算方法及成型工艺。
In the study, in order to get good precision of dimension and position of fine leads, chemical etching method is used to make high density double assess single-sided FPC.
研究采用化学蚀刻聚酰亚胺的方法来制作双面连接的单面挠性板，以满足精细手指的尺寸和位置精度的要求。
It turned out that dimension error calculated by grid mapping model is smaller than required precision.
结果表明，模型计算得到的尺寸误差较小，能够满足尺寸精度的要求。
A method of calculating stiffness and determining dimension of shaft of precision vertical bearing system is described in this paper.
本文介绍了立式精密轴系中转轴的刚度计算与其尺寸确定的方法。
The shape and dimension after trimming is the most important factor which affects the forming precision.
影响翻边成型性和成型精度的一个重要因素就是零件修边后的形状和尺寸是否合理。
Both traditional products design and die - casting die design and its manufacture are all done by two - dimension chart, which brings negative effects in time consuming, costs and precision.
传统的产品设计和压铸模设计及加工都是根据二维图完成，周期、成本、精度都会受影响。
The author machines complex shape microminiature parts on a precision milling machine developed by themselves, and study the machining technique of three dimension complex shape metal parts.
作者在自研的精密铣床上，进行了微小复杂形面零件的切削加工实验，对用精密铣削技术加工三维微细金属零件工艺进行了较深入的研究。
The author machines complex shape microminiature parts on a precision milling machine developed by themselves, and study the machining technique of three dimension complex shape metal parts.
作者在自研的精密铣床上，进行了微小复杂形面零件的切削加工实验，对用精密铣削技术加工三维微细金属零件工艺进行了较深入的研究。
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