On the sign-in sheet of a literature class, he simply scribbled a question mark instead of his name.
在文学课的签名簿上，他只签了个潦草的问号代替自己的名字。
Viscous pressure forming (VPF), a recently developed process, is an advanced approach in sheet metal forming.
粘性压力成形技术是金属板材成形领域里新近出现的一种先进的加工工艺。
Springback is an inevitable and universal phenomenon in sheet metal forming, which may affect the tolerance and final shape of stampings.
回弹是板材成形过程中不可避免的一个普遍现象，直接影响到冲压件的尺寸精度和零件最终形状。
The method can reduce simulation frequency, increase optimization efficiency of parameters, and improve the accuracy of simulation calculating in sheet stamping.
该方法明显地减少了模拟实验次数，提高了参数优化效率，改善了板料冲压成形的仿真计算精度。
Our company is specialized in sheet metal production and processing enterprises.
我公司是专业的钣金生产加工企业。
Our company is specialized in sheet metal processing production base.
本公司是专业化的钣金加工生产基地。
Melt pump-assisted extrusion can be used in sheet, cast, blow and mold, it has a bright future.
熔体泵辅助挤出可用于片材、管材、吹膜和型材，它具有广泛的发展前景。
Main topics investigated formerly in sheet metal press forming technology are breakage and crease.
在板材冲压成型技术中，以前的主要研究课题是破裂和起皱问题。
Material in sheet form having a window, its manufacturing method, and security document comprising it.
具有窗口的片状材料，其制造方法，以及包括该片状材料的安全文件。
Drawbead application is an effect method in sheet metal deep-drawing process to control material flow.
设置拉延筋是板料拉深成形过程中控制材料流动的有效方法。
It can be manufactured in sheet, bead, and solid forms and can be foamed, injection-molded and extruded.
它可以制成板材、珠粒和固体形式，可以发泡、注塑和挤塑。
After being launched, the utility model will be popular in sheet-metal and cold working processing industries.
因此本实用新型推出之后，将受到钣金及冷作加工行业的欢迎。
A calculation method of the flattening in sheet rolling deformation zone, using influence function, was derived.
采用影响函数法推导了薄板轧制时变形区内轧辊弹性压扁的计算式。
Part shape error due to springback is one of most important manufacturing defect in sheet metal stamping process.
回弹是金属板料冲压中的主要缺陷之一，它可以通过修正模具形状加以解决。
It is not proper that the mechanical property parameter tested by one-way drawing is directly used in sheet forming.
认为将单向拉伸实验测出的机械性能指标直接用于板材成形是不妥当的。
Since conical part is one of the typical curved parts in sheet metal drawing, research on it has actual significance.
圆锥形零件是曲面类零件拉深成形中较为典型的零件之一，对其充液成形的研究具有实际意义。
Springback is an inevitable problem in sheet metal stamping forming, and is the research hotspot and difficulty in this field.
回弹现象是车辆覆盖件冲压成形中不可避免的问题，也是该领域研究的热点和难点问题。
The strategy of variable blank holding force is an effective measure for the springback control in sheet metal forming processes.
变压边力策略是在冲压件成型中控制回弹的一种有效措施。
Springback is a common phenomenon in sheet metal forming, caused by the elastic redistribution of the internal stresses during unloading.
回弹是卸载过程产生的反向弹性变形，是板料冲压成形过程中存在的一种普遍现象。
A computer program product and a system configured for implementing the method of designing fold lines in sheet material is also disclosed.
还公开了被配置成实现设计板材内的折线的方法的计算机程序产品和系统。
The article introduces structure of ASI Network module in sheet stripping machine, modification background and plan as well as design ideas.
本文主要介绍电解剥片机组ASI网络模块的结构、改造背景、方案及设计思路。
Many parts are made of sheet metal in sheet metal product, this framework can both decrease the weight of the equipment and reduce the cost of manufacture.
钣金产品中许多结构零件都是采用金属薄板制成的，这种板式结构既可减轻设备的重量，又可降低加工制造的成本。
LOTO sheet metal production (Shanghai) Co., Ltd. is specialized in sheet metal processing joint venture, located in Jiading District in Nanxiang Hi-Tech Park.
乐图钣金制作(上海)有限公司是专业从事钣金加工的合资企业，位于上海市嘉定区南翔高科技园区内。
The strength of the ring nugget in sheet-to-tube single-sided spot welding is different from that of the button nugget in traditional sheet-to-sheet spot welding.
管板单边电阻点焊由于其焊接结构的特殊性，生成熔核的外形为环状，其强度不能用传统的圆形焊点强度经验公式计算。
The similar problem on computing blank size also exists in sheet forming, such as spreading size of bending piece, blank size of axial symmetry parts by deep drawing.
板材成形中同样存在着计算坯料尺寸的问题，如弯曲件展开尺寸的计算，轴对称拉深件坯料尺寸的确定等。
The design of drawing process for automobile panel is called as design "black box"in sheet metal forming domain, while the die-face design of drawing die is the key part.
汽车覆盖件拉延工序设计被称为薄板冲压成形领域的设计“黑箱”问题，而拉延模型面设计是其中的核心内容。
The addendum surfaces are very important for the product quality in sheet forming process, but their design is very time-consuming and requires tedious trial-error corrections.
板料成形过程中工艺辅助面对成形件质量有着重要意义，但其设计非常费时并且需要根据实验和数值模拟结果不断修正。
Softwares ANSYS and MATLAB were employed to analyze and simulate the velocity, pressure and shear stress distribution in sheet extruder dies based on the three-dimensional FEM.
利用ANSYS和MATLAB软件，对缩放型片材机头中熔体的速度、压力和剪切应力的分布进行三维有限元模拟和分析。
Finite element analysis (FEA) plays more and more important role in sheet-metal forming. However, if the analysis is performed on a low quality mesh, the FEA can be inaccurate.
有限元网格质量的好坏对金属成形模拟的精度和效率有很大影响。
Wrinkling and fracture are the major defects in sheet metal forming, and the blank-holder force(BHF) is an important technologic parameter controlling the forming of sheet metal.
在板材成形中，起皱和拉裂是主要缺陷，而压边力是控制板材成形的重要工艺参数。
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