In the numerical simulation of parison formation, there are two main methods: one is to treat the polymer melt as a Newtonian fluid, the other is as a viscoelastic fluid.
型坯成型是塑料挤出吹塑中的一个重要阶段。
Parison formation is a critical stage in extr usion blow molding.
型坯成型是挤出吹塑中的一个重要阶段。
For the parison forming,a explanation aboutspecialized method and theory basis of numerical simulation adopted by researchersin China and abroad is given.
介绍了模拟技术在吹塑型坯成型中的研究和发展状况,对国内外学者针对型坯成型过程运用的数值分析方法和理论依据进行了论述,并着重介绍了神经网络方法。
For the parison forming, the explanation had been given about method and theory basis of numerical simulation adopted by researchers at civil and abroad, and the method of neural net was review empnatically.
介绍了模拟技术在吹塑型坯成型中的研究和发展状况 ,针对型坯成型过程 ,对国内外学者进行数值分析的方法和理论依据进行了论述 ,着重论述了神经网络方法。
A systematic study is conducted on the shape and forming cause of abnormal struture about forging blank for auto gear after normalize, on the basis of analyses about primary metallographic structure of forging blank for auto gears.
在分析汽车齿轮锻坯原始金相组织和成因的基础上，比较系统地研究了汽车齿轮锻坯正火后异常组织的形貌和成因。
Analysis and Prospect of Usage Situation of Forging Stock Material Surface Quality
锻坯材料表面质量利用情况分析与展望
Forged steel cold roll blanks
GB/T15547-1995锻钢冷轧辊辊坯
wheel forging press
车轮坯成形模锻压力机
Development and Manufacturing of RCr12Mo1V1 Forging Cold Roll Blank
RCr12M_o1V1锻造冷轧辊辊坯研制
Material economy and design optimization of roll forging blanking die for connecting rod
连杆锻件节料与制坯辊锻模设计优化
Numerical Simulation of Pre-forging for Connecting Rod of Automobile Engine and Optimization of Its Pre-forging Billet
汽车发动机连杆预锻过程模拟及预锻毛坯优化
Rod Forgeable Piece Numerical Simulation and Optimization of Stock;
连杆锻件成形的数值模拟及坯料优化
Research on local upsetting finish forging process of valve blank
气门毛坯局部镦挤终锻成形工艺研究
Invalidation Analyzing and Solutions of Final Forging Dies for Roughcast of Valve
气门毛坯终锻模具的失效分析与对策
Die Forging Process of W6Mo5Cr4V2 Blank of Gear Shaping Cutter
W6Mo5Cr4V2插齿刀毛坯的胎模锻造
According to its characteristics horizontal forging technology of S-shape cam and die have been designed.
根据S形凸轮结构特点,设计了其锻件毛坯的平锻工步及其模具。
The Development of the CAPP System for Flashless Forging of Gear Blanks and Its Design Technology of Preforging and Die;
齿轮坯闭式模锻CAPP系统的研制及其预锻工艺与模具设计技术
blade, for side-arms (incl. blanks, even if only forged)
用作随身武器的小刀（包括坯件，即使只是锻造的）
An Analysis of Three Dimentional Deformation of a Round Bar with Oval Cavity and Its Upper Bound Solution
椭圆型槽辊锻圆坯料三维变形的分析及上限解
Finite Element Simulation of Induction Heating of 45 Steel Roughcast before Forging;
45钢坯锻前感应加热的有限元模拟分析
The Numerical Simulation and Optimization of Precision Performing Forge Rolling Process of Fore Axle;
前轴精制坯辊锻成形过程的数值模拟与优化
The Development and the Key Technology of the Capp System for Gear Blanks;
齿轮坯闭式模锻CAPP系统的研制及其关键技术
Analysis of Upsetting Process of Blank Forgings of Unclear Heavy Disc Forgings by Finite Element Method
核电饼类锻件制坯过程鐓粗工艺的有限元分析