成形

基本解释 (translations)

figuration  ·  shape  ·  shaped  ·  shapes  ·  shaping

词组短语

shape up · take shape

与成形相关的网络例句 [注：此内容来源于网络，仅供参考]

Research results show that: 1 The FLSD is basically path independent whether is for steel or for aluminium; 2 Shape of the forming limit curve in stress space is sensitive to the type of material model used in transformation form FLD to FLSD; 3 the anisotropy of sheet metal has considerable influence on the FLSD; 4 The application of the FLSD in sheet metal processes optimization was considered to be effective and more precise.

钢板和铝板应该分别采用不同的材料模型进行转换。3）板料各向异性性能对板料成形极限有影响，在使用FLSD时应该考虑板料的各向异性情况；4）FLSD在应用于多道次成形零件的有限元分析时，由于其具有的与加载路径无关的特点，因此比通常用的FLD更加准确可靠。本课题的研究为以后在板料成形仿真中，使用应力成形极限曲线代替应变成形极限曲线，提供了理论和试验依据。

Analyzing and simulating of the deformation law of the ceramic downspout product after overcoming the shortage of powder material models in the software of MSC. MARC. It shows out the important effects of various factors and the shape of mandril during the process. And it is obvious that the shape of the top mandril has more effects on the process than the bottom.(3) Showing out the important effects of model figure on the flowing of powder and the forming of low-density fields from the analysis. After changing the top of the mandril into spherical shape, an improving model is putting out so that the distribution of stress and strain turns to be even and proper and that the flow rule of powder grains is better.(4) Calculating of the dimensional precision and the cutting ratio of the product and analyzing of the effects of such factors as rubber aging, loading process, mandril, friction etc. on the cutting ratio.

MARC存在的粉末材料模型方面的设计缺陷后，对连铸水口粉末成形件的变形规律及影响因素作用进行了模拟分析，指出芯棒形状对成形件的变形有较大影响，并且芯棒顶部形状与芯棒底部形状相比，对粉末变形有更大影响；(3)分析了成形件出现低密度区域的原因，指出模具形状对粉末流动以及粉末成形件低密度区域的形成有重要作用，提出了密度分布优化改进模型：改进模具顶部形状，并将芯棒顶部设计成球面后，粉末成形件顶部区域的应力、应变分布更加均匀、合理，粉体颗粒流动情况明显改善，低密度区域明显缩小；(4)计算了成形件的尺寸精度及切削率，并指出除模具形状的影响外，充填密度、橡胶模具老化、加载工艺等其他因素对总体切削率也有相当的影响。

Considering the problems of spurgear precise plastic forming, such as high deformation resistance, poor flowability and especial hardness to fill cant of gear, technological plan was developed based on precise plastic forming technique, successive control principle and consecutive local deformation theory. Moreover, structures of the rolling preform die and the die with up and down wellrounded forcer for stamping-extrusion and bulge-extrusion combining forming were designed too.

因此本文的主要研究内容和结果如下：本文以某种直齿轮：模数m＝2，齿数z＝20，压力角α＝200，变位系数x＝0为对象，针对直齿轮精密塑性成形变形抗力大，流动性差，特别是成形中齿轮角隅部分更加难以充满问题，基于精密塑性成形技术、逐次控制原理以及连续局部变形原理提出了"直齿轮滚轧制坯－镦挤、胀挤复合精成形"的工艺方案，设计了滚轧制坯的模具结构和上下冲头带圆角的镦挤、胀挤复合精成形的模具结构。

The gel dynamics experiments showed that the gel formation law was similar with the other polymer systems, which wasrelated with dense surface under the soft coagulating condition and the thickening gel; the square of gel thickness was linear with coagulation time. The qualitative analysis of the surface puckers of fibers spun from wet spinning and dry-jet wet spinning was made. The positions where the die swell appeared were not the same and the die swell appeared at the air gap where the fiber would markedly been elongated and vary little in the coagulant, thus the surface of fiber spun from dry-jet wet spinning was more smooth. The radial component concentration gradient was responsible for the radial structure of PAN fiber spun from dry-jet wet spinning. The thicker surface with microvoid structure of

对湿纺和干湿纺进行比较表层沟槽的产生进行定性分析，原因在于孔口胀大区域出现在不同位置，在干湿纺中，溶液的孔口胀大出现在空气层，并在该区完成大部分形变，进入凝固浴后形变很小，纤维表面较为光滑；干湿纺PAN纤维径向结构存在差异，这与丝条内组分由于双扩散进行导致径向上存在浓度差异直接相关；凝固强度较大的体系，可以获得厚度较大且孔结构尺寸较小的皮层；含较少缠结的PAN原液在纤维成形后截面很圆整，但原液缠结浓度增大时成形后圆整度下降；PAN纤维成形是一个远离平衡的过程，凝固作用缓和的体系可以使成形过程靠近平衡，可获得更大尺寸的孔洞结构；原液中少量的非溶剂添加剂显著改变纤维径向结构，可获得孔洞尺寸更小和更为均一的径向结构，这与径向浓度差异的减小、分相时间的集中相关；PAN原液的成形纤维表面依赖于凝固强度；由AFM对相近凝固条件下成形的PAN膜进下

The experimetal results show that the flexural moment of the sample in the prebending direction is far bigger than that in the vertical direction to pre-bending and the spherical shape can be conquered during pre-loading laser peening forming to a great extent.

试验结果表明，在弹性预加载下，板料在弹性预弯方向获得的弯矩要比与弹性预弯垂直方向上的弯矩大得多，弹性预加载下激光喷丸成形可以有效地克服自由状态下激光喷丸件呈球形现象，激光喷丸件的曲率是自由状态下激光喷丸成形曲率的2～3倍；在相同曲率下，弹性预加载下激光喷丸成形件的表面粗糙度比自由状态下激光喷丸成形件的表面粗糙度要低1～2等级，因此弹性预加载下激光喷丸成形要优于自由状态下的激光喷丸成形。

The research mainly focuses upon the unique deformation mechanism, forming method, quality control and parameter optimization, and the key technologies in Finite Element Analysis for the 3D Non-Axisymmetric thin-walled tube spinning. A CNC spinning equipment for the 3D Non-Axisymmetric thin-walled tube has been designed and manufactured based on the experimental investigation of the forming method.

着重研究变形机理、成形方法、质量控制及优化成形工艺参数，解决三维非轴对称零件旋压成形过程数值模拟关键技术；通过对成形工艺方法的试验研究，研制出能够旋压成形三维非轴对称薄壁空心零件的工艺装备。

Forming limit stress diagram was investigated theoretically and experimentally.

本课题通过试验，有限元仿真和理论分析，研究了应力成形极限的路径相关性问题，应力成形极限和应变成形极限的转换关系，材料各向异性对成形极限的影响，以及应力成形极限在板料成形分析中的应用等。

Based on the WM-model, the various stages of SPIF process was studied and the forming characters have been realized. Based on the SM-model of the truncated cone, the blank thickness element was sub-meshed into three levels. And through the forming simulation of the process, access to the plate stress and strain of the different regions in forming, and proposed the establishment of a sub-regional mechanism to explain the incremental forming, that is, in different regions, sheet deformation is different. In the main region which reflects the major character of SPIF, the deformation pattern is the composition of bending and extrusion.

基于完整有限元分析模型对渐进成形过程的各阶段进行分析，从而全面认识渐进成形的特点；基于方锥台件局部有限元分析模型，并将板材厚度方向的单元细分为三层，通过成形过程仿真，获取成形中，板材不同区域的应力、应变情况，提出并建立分区域的渐进成形机理解释，即，在不同区域，板材的变形方式是不同的，其中，对体现渐进成形主要特点的方锥台件和圆锥台件的侧壁充分变形区域，其变形方式是拉伸-弯曲复合变形。

The Levy style Cable Dome model is made up of 〓5 tension piano-wires and 〓32×1 5 compressive steel pipes, distance between nodes and the tension force of cables is adjusted by screw up and down the turnbuckle The procedure of shaping up included four ways, and the loading included fully loaded and half loaded, to validate the influence of unconservative property, the author carried through the slack procedure and the unload procedure.

该Levy型索穹顶模型，以受拉的〓5高强钢丝和〓32×1.5受压钢管构成，节点间拉索的长度以及拉索的预拉力通过拧紧或放松花篮螺丝来调节。试验内容包括成形试验和承载力试验，成形试验尝试了四种不同的成形方法，为了考察结构非保守性的影响，每种成形方法成形后，还逆序进行了结构的松弛试验，荷载态试验包括均布荷载满载（即在所有压杆上部节点施加集中荷载）和半载（在结构1／2的压杆上部节点施加集中荷载）的加载和卸载时结构工作性能的测试。

The plastic deformation mechanism of the process is explained. The vector equations of the curved conical surface and the figure of the particle motion for the forming process of the bending tube are presented. The theoretical model of stress and strain fields of the forming process is deduced. The practical forming process of tubes of large diameter demonstrates the validity of the new type of design method of the ox-horned core bar and the computation formula of the length of the raw tube.

本文通过研究弯管成形瞬时应力、应变状态及演化过程，阐明了弯管成形过程受力变形特点及力学原理；提出了一种适合弯管变形分析的新单元及数值方法；建立了弯管成形过程应力、应变场&标准图象&；通过研究弯管成形过程金属流动规律及力学条件，阐明了本工艺塑性变形机理；建立了描述弯管成形过程的曲锥面向量方程及其质点运动学图象；推导了弯管成形过程应力、应变场理论模型；结合大口径弯管生产过程，验证了本文给出的新型牛角芯棒设计方法和管坯长度计算公式的正确性。

与成形相关的网络解释 [注：此内容来源于网络，仅供参考]

center buckle：表面中部波皱 (成形不良用语)

cell|气泡(成形不良用语) | center buckle|表面中部波皱 (成形不良用语) | check|细裂痕 (成形不良用语)

compound molding：复合成形 rotary forging 回转锻造

compound molding 复合成形 rotary forging 回转锻造 | compression molding 压缩成形 rotational molding 离心成形 | dip mold 浸渍成形

grinding defect：磨痕(成形不良用语)

grease pits|污斑(成形不良用语) | grinding defect|磨痕(成形不良用语) | haircrack|发裂 (成形不良用语)

dip mold：浸渍成形

rotational molding 离心成形 | dip mold 浸渍成形 | rubber molding 橡胶成形

filler speak：填充料斑 (成形不良用语)

fading|退色 (成形不良用语) | filler speak|填充料斑 (成形不良用语) | fissure|裂纹 (成形不良用语)

hydroforming：液压成形

液压成形(Hydroforming)是指利用液体作为传力介质或模具使工件成形的一种塑性加工技术,也称为液力成形. 按使用的液体介质不同,可将液压成形分为水压成形和油压成形. 水压成形使用的介质为纯水或由水添加一定比例乳化油组成的乳化液;

injection molding：射出成形

塑胶制品依照其材料性质、用途和成品外观特徵而开发了各种加工的方法,例如押出成形(extrusion)、共押出成形(co-extrusion)、射出成形(injection molding)、吹袋成形(blown film)、吹瓶成形(blow molding)、热压成形(thermoforming)、轮压成形(c

injection molder：注射模型成形机=>射出成形機

injection mold 注摸 | injection molder 注射模型成形机=>射出成形機 | injection molding 射出成形

Sheet metal forming：薄板成形

固溶强化型或弱沉淀强...薄板成形(sheet metal forming) 将金属薄板加工成具有不同断面形状和几何造型的制件的加工过程. 薄板成形有压缩、伸长、伸长一压缩复合、弯曲、剪切等5类近20种基本成形方法. (见表)对薄板成形的研究工作,

thermoforming：热压成形

塑胶制品依照其材料性质、用途和成品外观特徵而开发了各种加工的方法,例如押出成形(extrusion)、共押出成形(co-extrusion)、射出成形(injection molding)、吹袋成形(blown film)、吹瓶成形(blow molding)、热压成形(thermoforming)、轮压成形(cal