The Flow Pattern Analysis of Hot Extrusion Carbon Steel Pressure Reducing Valve Shell and Die Design 热挤压碳素钢减压器壳体流动成形分析及模具设计
Feasibility Study on SLS Prototype Wax Pattern Instead of Die Wax Pattern SLS原型蜡模代替压型蜡模的可行性研究(在蜡型上套制铸模用的)耐火材料
The entry convergent flow pattern was observed with flow visualization technique when the resin melt flowed through a die featuring abrupt contraction in cross-section of channel and axial symmetry. 应用毛细管流变仪测量了在接近实际挤出工艺条件下低密度聚乙烯熔体的流变性质;应用流动可视化技术,观测了试样熔体流经突然收缩的轴对称口模时的入口收敛流型。
Based on summing up different kinds of technological process of precision forging of spur gear, a new upsetting extrusion process and pattern die are designed. 在总结各种直齿圆柱齿轮精锻工艺的基础上,设计了一种直齿圆柱齿轮镦挤精锻工艺和模具,并进行了实验和上限模拟。
To cool the pattern injection die by refrigerator is more efficient than by water cool, and it provides better working conditions and improves the surface degree of finish of the wax pattern. 使用制冷机冷却压蜡模具比水冷却法效率高,劳动条件好,提高了蜡模表面粗糙度。
The metal moving pattern in the cavity of closed die forging in the filing stage and its application in Engineering 开式模锻型腔充满阶段的金属流动模型及其工程应用
The Pattern Structure and Its Design Key of Hot Die Forging and Roll Forging Combined Technology for Agricultural Hoes 农垦锄头热模锻与辊锻复合工艺的模具结构及设计要点
Etching Decorative Pattern by Electrochemical Machining on Forming Die Made of Stainless Steel 不锈钢压塑模具凹形装饰图纹的电化学蚀刻
Improvement on Structure for the Pattern Die of a Complex Aero-Engine Hollow Blade 一种复杂空心叶片外形模具的改进
Application of artificial neural network in tool path pattern selection for die cavity machining 人工神经网络在模具型腔加工走刀方式选择中的应用
Study on the Improvement of Conventional Investment Pattern Casting Method Die Making Process Based on SLS Technology 基于SLS技术对传统熔铸法模具制造工艺改进的研究
Quick; Directly Pouring the Sn-Bi Alloy Pattern or Press Die by Using a Prototype Made of Paper 用快速成形纸质铸型浇注锡铋合金模具
Abstract Based on the basis of analysing pattern of die fault, determine that regular overhauling is an available mode for die maintenance. 通过对模具故障模式的分析,确立定期检修是一种适用于当前模具维修的方式。
Pattern Selection of Mold Core in Allotype Plastic Profile Extrusion Die by Using Artificial Neural Networks 神经网络方法在挤出模型芯选型中的应用
Observation of flow pattern of LDPE melt in entry region during die extrusion LDPE熔体在挤出口模流动时入口区流型的观测
The metal flowing pattern of the tooth filling process at different stages during closed die extrusion is found through lead deformation test and double-acting extrusion method on a doubled-acting press or on a special die structure with a general press is proposed. 成形试验获得了金属充填齿形腔的流动模式,提出采用专用双动压力机或在通用压力机上采用特殊模具实现坯料双向挤压的成形方法。
The wear pattern and mechanisms of Al2O3/ Ti ( C, N)/ ZrO2 nanocomposite ceramic tool and die materials were analyzed. The main wear mechanisms are abrasive and adhesion. 分析了Al2O3/Ti(C,N)/ZrO2纳米陶瓷刀具的磨损形貌和磨损机理,其主要磨损机理是磨粒磨损、粘结磨损。