In this paper, an organic combination of surface molding and numerical calculation is applied to optimization design for centrifugal pump impellers.
本文将曲面造型与数值计算有机的结合在一起应用到离心泵叶轮的优化设计中。
Four, the size is stable, in the molding process, the plastic part and the mold contact surface compared to leave the mold part the size stability to be better.
尺寸稳定，在成型过程中，塑件与模具接触的面要比离开模具部分的尺寸稳定性更好。
Plywood die molding, welding fixture that surface of the circular arc, straightness error is small, the ironing quality good.
夹板模具成型，焊接工装保证，表面圆弧度、直线度误差小，熨烫质量好。
Powder metallurgy products molding, high dimensional accuracy, can provide customers with all kinds of performance, shape, size and a variety of coating the surface of the magnets.
粉末冶金产品采用模压成型，尺寸精度高，可为客户提供各种性能、形状、尺寸及多种表面涂覆的磁体。
The reflecting antenna of high precision surface and electrical property is manufactured through rational mold de- sign and wet molding process combined with vacuum bag molding process.
通过合理的模具设计，运用湿法成型和真空袋压相结合的工艺研制了双反射面天线反射体。
The surface quality and molding efficiency of plastic parts are improved by hot-runner system and gas-assistance injection molding.
采用热流道系统、气辅注射成型提高了塑料件的表面质量和成型效率。
The surface modification and dispersion of nano-antibacterial powders, its compatibility with PET polymer and molding of PET matrix nano-antibacterial composite were discussed and investigated.
阐述了纳米抗菌材料与成纤聚合物（PET）复合材料的表面改性、分散、相容及成型；
Using Imported Prepreg as the Raw Material, the Second Overall Compression Molding for External Trough Line and the Tube, Excellent Surface Finishment and Mechanical Performance.
采用进口预浸布作为原材料，槽线与管体二次固化整体成型，表面光洁度和力学性能优异。
The reflecting antenna of high precision surface and electrical property is manufactured through rational mold design and wet molding process combined with vacuum bag molding process.
通过合理的模具设计，运用湿法成型和真空袋压相结合的工艺研制了双反射面天线反射体。其型面精度高，电气指标一致性好。
型面测量；
Embossed molding the whole floor is the in-situ surface, one will be off or fade, do not collapse and fracture (such as grass-roots level is not broken).
压花地坪是现浇整体成型，表面一会剥落或退色，不塌陷及断裂(如基层不断裂)。
The use of coal-dust with high lustrous carbon in molding sand can improve surface roughness of the castings.
光亮碳高的煤粉用于型砂，可降低铸件表面粗糙度值。
The powder injection molding material is superior to conventional powder metallurgy method such as excellent mechanical strength, higher density and better surface finish.
粉末注射成形材料在机械性能、密度及表面粗糙度都比一般粉末冶金材料为好。
The surface wave of wire rope and the metal core of rope to be free to other place is due to molding rate too high, bigger fluctuation, uneven strand tension forces and cl…
钢丝绳表面浪形和金属绳芯外逃是由于成型率过高、波动偏大，各股捻制张力不均匀和顺向捻制不到位。
The connectional strength of FRP thread by press molding is bigger, the period of production shorter, surface brighter and cost lower.
模压螺栓或螺母连接强度大，生产周期短，产品表面光洁，成本低。
The temperature on mold cavity's surface affects the melt's flow and cooling in the course of injection molding, then has an important part in the solution of injection molding.
在注塑加工数值模拟过程中，模腔的表面温度直接影响塑料熔体的流动和固化过程，所以模腔表面温度的计算对注塑数值模拟的结果起着极为重要的作用。
Good knowledge about manufacturing process, such as machining, forging, injection molding, heat treatment and surface treatment, etc.
对加工工艺有丰富的知识，如机加工，锻造，注塑，热处理和表面处理等工艺。
Introduced structure design of injection mold for a fragrance cap, the molding parts surrounding exterior surface does not allow to have the draft, causing the plastics demoulding difficulties.
介绍了一款香水瓶盖注射模设计。该塑件周边外观面不允许有脱模斜度，从而使塑件脱模困难。
Further, if the material with high releasability (3) is used for the mold surface (6) of the upper mold (1), a mold for molding a resin having excellent releasability can be obtained.
此外，若将该高脱模性材料(3)用于上模(1)的模表面(6)，则可以得到具有良好的脱模性的树脂成形模。
The composition and film molding process are studied to improve the planeness and roughness of the surface of transfer metal layer. This technology is mainly used in CFRP metalizing by transfer.
通过对配方和成膜工艺的研究，改善了转移金属层表面的平整度和粗糙度。
Steel, net, plastic 3-1 - will be welded to the steel wire mesh surface to polyethylene as raw material, the use of rotational molding technology, an overall shape in the steel surface.
钢、网、塑3合1——将钢网焊接于钢体表面，以聚乙烯为原料，采用滚塑技术，一次整体成型于钢体表面。
A new technology of laser surface micro-molding is introduced, and the mechanical face seal ring cross-scale processing of the geometric shape is researched.
介绍了激光表面微造型新工艺新方法，对机械密封环端面进行跨尺度的几何形貌加工工艺研究。
Taking the molding mould for the saddle foamed plastic pads as an example, the casting technological process for the curve-surface cavity zinc-based alloy die was stated.
以鞍座泡沫塑料垫成型模为例，阐述了曲面型腔模具的锌基合金铸模工艺，同时将三维温度场电算技术在铸模过程模拟预测中进行了有效的应用。
The FFT algorithm is used to realize wave molding. The deep-water waves, shallow water waves, surface waves are molded by the FFT algorithm.
在水波建模方面，本文除了用FFT算法来实现水波建模，还给出了深水波、浅水波、表面波在FFT算法基础上的实现。
Spread the pavement surface and bottom mixtures into the die, pressure molding, demould, stay, palletize and maintain to get the seepage and antiskid colorful tiles made of pyrite cinder.
依次将面层和底层混合料布于模具中，加压成型、脱模、静养、码垛、养护，得到渗水防滑硫铁矿烧渣彩色花砖。
After molding, there is gas trap on the part surface, suggest adding insert.
成形后，产品表面有困气，建议增加镶件。
The surface quality of huge bore valves has been improved by changing the matches of molding sand, and increasing the hardness of sand mould and controlling the quality of the coal ash.
通过改进型砂配方，提高砂型紧实度和煤粉质量，是提高大口径阀门铸件表面质量的有效途径。
The surface quality of huge bore valves has been improved by changing the matches of molding sand, and increasing the hardness of sand mould and controlling the quality of the coal ash.
通过改进型砂配方，提高砂型紧实度和煤粉质量，是提高大口径阀门铸件表面质量的有效途径。
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