The pressure effect of viscosity for polymer melts during die extrusion flow was analyzed.
分析了聚合物熔体于口型挤出流动中粘度的压力效应。
Neural network method was used to investigate the parison swell affected by the die temperature and extrusion flow rate.
采用人工神经网络方法预测了受模口温度和挤出流率影响的型坯成型阶段的膨胀。
The flow characteristics in expanding extrusion of aluminum alloy shapes are analyzed. The expanding extrusion flow model is built.
分析了宽展挤压变形规律及宽展模具调节金属流动的机理，建立了宽展挤压流动模型。
The large diameter mesophase pitch carbon monofiber in uniform size was obtained by controlling the matching of extrusion flow and drawing rate.
熔纺时控制了挤出流量和牵伸速率的良好匹配，获得了丝径均匀的大直径中间相沥青炭单丝。
Talent as sponge in the water, there is no external force of extrusion, it is an absolute flow not to come out.
人的才华就如海绵的水，没有外力的挤压，它是绝对流不出来的。
Grid-experiments are performed to investigate metal flow and deformation in the shear-extrusion process of tubular components with branches.
通过网格试验研究分析了枝叉管形件剪-挤工艺过程的金属流动情况及其变形规律；
Extrusion rate, melt pressure, flow profile and mixing effects of the conical twin screw with mixing elements were observed experimentally.
对混炼型锥形双螺杆的挤出产量、物料压力、物料流动状态及混合效果进行了大量实验研究。
The flow model of extrusion and optimal principles of die design are discussed.
讨论了挤压流动模型、凹模优化设计原理。
The flow rate, pressure drop, die swelling and apparent viscosity in dynamic and static extrusion can be measured by using this equipment.
利用该仪器可以测量聚合物在稳态和动态挤出过程中的流动速率、压力降、离模膨胀和表观粘度等。
A general dynamically permissible velocity field for plane flow is set up in the paper. The force and energy parameters for extrusion (or drawing) are analyzed, and the optimum draw Angle is obtained.
本文建立了平面流动较为一般化的动可容速度场，分析了平面挤压(拉拔)的力能参数，获得了最佳凹模锥角。
Melt fracture (MF) is a kind of instable flow in extrusion.
熔体破裂（MF）是挤出成型的一种不稳定流动。
The formula design, product performance, production technological flow, and key process control parameters of PVC rolled window profile, and the performance of the extrusion equipment were introduced.
介绍了PVC卷帘门窗型材的配方设计要点、产品性能、生产工艺流程、重点工艺参数控制和挤出成型设备的性能特点。
Introduce process flow of antistatic packaging tube. Briefly introduce extrusion die structure and creative auxiliary machine for a special purpose.
着重介绍了防静电包装管的生产工艺流程。对挤出模具结构及独创的专用辅机也做了简要介绍。
The interaction mechanism between humic acid and fertilizer is discussed, the flow sheet, equipment, process parameters of extrusion technology and enterprise standard of product are presented.
并介绍腐植酸与肥料的作用机理，挤压法生产有机无机复混肥的流程、设备、工艺条件及产品的企业标准。
Analyzing the die channel structure and the melt flow of the circle profile in the extrusion die provides the basis of the die design for the circle profile.
分析了模头流道结构和熔体在圆环型材挤出模中的流量，为环类型材挤出模设计提供了依据。
The flow behaviour of LDPE/LLDPE blend melt and its influential factors in capillary extrusion are investigated.
考察了毛细管挤出过程中LDPE/LLDPE共混物熔体的流动行为及其影响因素。
It put forward to the condition accepted for simplified design of extrusion die considering the influencing effects of "clamshell phenomenon" on the flow uniformity of die.
考虑到“蛤壳现象”对挤出模流动均匀性的影响，提出了挤出模简化设计的容许条件。
Based on the actual circumstance of extrusion production of copper lines, the extrusion die and technology flow adapted to the continuous extrusion of copper lines were developed.
根据铜线挤压生产的实际情况，开发了适应铜线连续挤压生产需要的挤压模具及工艺流程。
The flow function method is used to build the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of wide section Aluminum shape extrusion.
用流函数法确定了宽截面薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
There are several flow patterns at melting section in co-rotating twin screw extrusion.
提出同向双螺杆挤出的熔融过程中物料运动具有多种形式的观点。
The flow state analysis of the plastic melt in the extrusion die is the basis of the extrusion die design.
塑料熔体在挤出模中的流动状态分析是挤出模设计的基础。
During polymer processing, such as extrusion, injection molding, and fiber spinning, polymer materials are subjected to various flow fields.
在聚合物加工过程中，比如挤出、注塑以及纺丝等，聚合物材料将遭受各种不同的流动场。
In this paper, the metal flow route during closed die extrusion for spiral bevel driving gear of automotive final drive is analyzed and the profile of preformed blank has been designed.
分析了主动螺旋伞齿轮闭塞挤压的金属流动路线，设计了预制坯的形状。
The results show that the extensional flow of melt in convergent die results in intense entrance elastic effect and distinct extrusion swell in conical die with different angles.
结果表明，不同角度圆锥口模挤出过程中，熔体在收敛流道受到拉伸流变，导致强烈的入口弹性效应，表现出熔体在不同角度圆锥口模挤出时有不同的挤出胀大比。
The flow function method is used to define the kinematically admissible velocity field, the strain rate field and the upper bound deformation power of solid aluminum shape with thin wall extrusion.
用流函数法确定了实心薄壁铝型材挤压变形动可容速度场、应变速率场及上限功率。
The experiments shows that the newly made abrasive media can be used for abrasive flow finishing of extrusion dies.
实验结果表明，这种国产珩磨膏适合用于铝型材挤压模具的珩磨抛光。
Flow and deformation feature of the metal in the process of liquid extrusion were analysed.
分析了液态挤压过程中金属的流动和变形特征。
Flow and deformation feature of the metal in the process of liquid extrusion were analysed.
分析了液态挤压过程中金属的流动和变形特征。
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