After a detailed analysis on the structure of an automotive bumper,a die was developed in which the CAE technology,some measures such as prearrangement of deformation amount,feasible sprue gate and two-way core-pulling mechanism were adopted to meet the requirements for the appearance and fit precision of the plastic component.
通过对塑件结构进行详细分析,利用CAE技术,采取了预留变形、合理浇口及双向运动抽芯等措施,保证了塑件的外观要求和配合精度;同时对模具结构进行了分析,结构合理,生产的塑件符合质量要求。
In soft ground tunneling,the deformation of each cross-section differs very much,which causes great difficulties to the determination of the preset deformation.
在软弱围岩中开挖隧道,各断面变形值差异很大,这给预留变形量的确定造成很大困难;按预留变形量加工的钢架,难以与随时变化的断面形式及设计要求的轴线相吻合。
Study on the Deformation Regularity and Preset Deformations for Large Section Tunnels in Loess
大断面黄土隧道变形规律及预留变形量研究
Method of designing protection coal pillar in mine area based on prediction of surface deformation
基于地表变形预计的矿区保护煤柱留设方法
Conformal Invariants and the Wodzicki Residue for Complex Manifolds
复流形的共形不变量和Wodzicki留数
The Analysis of Deformation Model and Deformation Forecasting;
变形模型的分析研究以及变形的预测
Research on Intelligent Slope-disaster Prediction in EnShi Silurian Stratum Region
恩施地区志留系地层斜坡灾变智能化预测研究
EFFECT OF PRESTRAIN ON THE SUPERPLASTIC DEFORMATION BEHAVIOR OF LOW-ALLOY HIGH-CARBON STEEL
预变形对低合金高碳钢超塑性变形行为的影响
On the Evolution of Traditional Ideas and the Formation of the Trend of Studying in Japan;
传统观念的嬗变与近代留日热潮的形成
The Study on the Forecast and Countermeasure of Great Distortion of Highway Tunnel Wall Rock;
公路隧道围岩大变形的预测预报与对策研究
Deformable Analysis of the Prestressed Subassemblage Concrete Frame;
预压装配式预应力混凝土框架的变形分析
PREDICTION OF DEFORMATION OF PRESTRESSED COMPOSITE SOIL NAILING WALLS BASED ON VERHULST MODEL
基于Verhulst模型的预应力复合土钉墙变形的预估
Forecasting of Grey Correlative Approach as Well as Its Application in Deformation Forecasting
灰色关联预测及其在变形预测中的应用
Optimal Preform Die Shape Design through Controlling Deformation Uniformity and Deforming Force in Metal Forging
控制锻件变形均匀性和变形力的锻造预成形多目标优化设计
Nobody can predict the change of situation.
形势的变化谁也无法预测。
PREDICTION OF TOPOGRAPHY CHANGES IN CHANGJIANG RIVER-ESTUARY BAR
长江河口拦门沙地形变化的统计预报
METHOD TO CALCULATE THE DEFORMATION OF A BEAM CAUSED BY PRE-FORCE
梁受预施力产生变形的计算方法探讨
Study on Stability and Deformation Pridiction of Rock Slope;
岩质边坡稳定性分析及变形预测研究
Welding Deformation Predicting, Controlling and Applying for Box Structure;
箱型结构焊接变形预测、控制及应用
Analysis,control and Forecast of Deformation and Pressure in soft Rock Tunnel;
软岩巷道变形与压力分析控制及预测