介绍未封闭矩形截面冲裁模的原理、结构和设计。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
本文应用直线法理论严格推导了在极坐标系统中分析任意截面形状同轴线高次模的公式。
A set of formulas for analyzing high order modes of coaxial lines with arbitrary section in polar coordinate by the method of lines are rigorously derived in this paper.
研究了偏心激励多模聚合物光纤横截面的光功率分布。
Numerical and experimental studies of cross sectional optical power distribution (OPD) in polymer optical fiber under offset launch are given.
在滚锻时，圆的或是扁平的棒料放在模辊之间缩小横截面增加长度制成诸如轮轴、板簧之类的零件。
Roll forgings. In roll forging, a bar stock, round or flat is placed between die rollers which reduces the cross-section and increases the length to form parts such as axles, leaf springs etc.
通过对异型材截面形状及原材料挤出成型性能分析，设计了正确的口模形状及合理的流线形流道；
The feeding head shape of a die and a streamlined sprue runner were designed after an analysis on the cross sectional shape and the extrusion forming ability of PA66 material.
本文根据多分辨分析理论，给出了计算具有任意横截面波导的TE模和TM模的一种方法。
Based on multiresolution analysis, a method for computation of TE and TM modes in arbitrary cross sections is described.
在相同的压弯弯曲角度下，增大凹模支点的间距可以减小管坯截面的畸变。
At the same press bending Angle, the cross section distortion of the tubes decreases by increasing the distance between the die fulcrums.
采用该方法对桑塔纳轿车前保险杠注射模浇注系统进行优化设计后，在保证熔体充模的情况下，流道截面有较大的减小。
Using C MOLD software for injection molding CAE, it has been proved that the radius of runner which was calculated by the new method can be reduced obviously.
本文通过方案比选确定了采用悬臂爬模施工技术，并详细介绍了变截面空心薄壁墩悬臂爬模施工技术。
This article introduced the cantilever climbing form construction technology of variable section hollow thin-walled pier through scheme comparison and selection.
用变截面提模施工烟囱，简单易行，设备简便，速度快，质量有保证。
It is simple and convenient and of speediness, and good quality control using the variable cross-section climbing form for chimney construction.
将表征值方法用于衣架式口模和吹塑模头的缝型截面流道分配系统的分析计算。
The method of representative values is employed to analyze and calculate the manifold distribution systems with slit cross_sections of sheets and annular parisons respectively.
本发明提供了一种异形截面钢材局部加热挤压工艺及其装置。工艺过程包括原料准备，对钢坯进行局部加热及通过挤压模挤压成型。
A locally heating and extruding technology for steel material with shaped cross-section includes preparing raw material, local heating steel blank, and extrusion forming with mould.
入口截面不消耗剪切功率，然后用上界定理与曲面积分方法首次得到了用余弦模拉拔方棒时变形力的解析解。
Then with the upper-bound theorem and the surface integral an analytical solution of the drawing stress was first obtained.
通过分析异形截面芯模的特征和数控加工工艺，选择了合适的加工设备、数控系统和截面轮廓曲线的处理方式。
Through analyzing the characteristics of special-section mould of and NC machining processes, selected the proper processing equipment, NC system and treatment methods of the sectional profile curves.
本课题针对企业的实际加工问题，对建筑成型机异形截面芯模的数控加工自动编程进行了研究和探索。
According to the practical processing problems of the enterprise in this project, studied and explored the NC machining auto-programming of special-section mould of construction forming machines.
采用分段集合计算方法，对二步法三维编织变厚度变截面薄壁壳体RTM充模工艺过程进行了较深入的理论研究。
The filling process of RTM for the two step 3D braid shell preform with a varying section was investigated theoretically by employing a calculating method of divide-integration.
利用开发的双频电磁近终成形技术，成功地实现了两种不同频率组合下的电磁成形过程，制备出了复杂弯月截面、复杂形状无模壳电磁成形的样件。
Using dual-frequency fields, two processes of high-supersonic and dual-high frequency electromagnetic shaping near net- shape are successfully carried out, producing complex shapes such asm…
介绍了一种无飞边、多腔、圆截面橡胶密封圈压模的设计方法及制造技术，采用这种方法设计制造的模具结构简单、可靠，生产的产品质量良好。
The design technique and manufacture technology for a kind of multi-cavity, no-burr and round-section rubber sealing ring with multi-cavity and no-burr were introduced.
介绍了一种无飞边、多腔、圆截面橡胶密封圈压模的设计方法及制造技术，采用这种方法设计制造的模具结构简单、可靠，生产的产品质量良好。
The design technique and manufacture technology for a kind of multi-cavity, no-burr and round-section rubber sealing ring with multi-cavity and no-burr were introduced.
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