The paper recommends a control system composed of a micro-computer which controls the velocity of extrusion automatically.
介绍采用单片微机组成的控制系统，实现水压机挤压速度的自动控制。
A kinematically admissible continuous velocity field to the plane strain extrusion is established in cartesian coordinates, and an upper - bound analytical solution is thus obtained in this paper.
本文采用直角坐标系建立了平面变形挤压问题的运动学许可连续速度场并获得了该问题的上解析限解。
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。
Data of drawing velocity that is automatically measured by precise extrusion were analyzed.
对精密挤出控制系统自动测量的牵引速度数据进行了分析。
A kinematically admissible continuous velocity field is established and applied to the plane strain in reversible extrusion.
对平面变形的正反向挤压问题建立运动许可的连续速度场并获得上界解析解。
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。
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 flow line function and the flow function for extrusion were obtained from the construction of velocity discontinuity lines(VDL).
由构造速度间断线模型入手，建立正挤压的流线方程，以便求得是流函数。
The metal flow rule of extrusion forming is expounded by velocity vector chart.
并利用速度矢量图阐述了挤压成形时金属的流动规律。
The influences of basic resin, nucleating agents and its content, other agents, extrusion temperature and rotating velocity on the transparency of PP are studied by lab experiment.
小试研究了基础树脂、成核剂种类与含量、其它助剂及加工过程中挤出机温度与转速对PP透明性的影响。
The pressure, velocity and Viscosity distribution is discussed, and the extrusion characteristics of twin screw and tri-screw extruders are compared.
通过速度和压力分布，计算了三螺杆挤出机的螺杆挤出特性参数，并和双螺杆挤出机进行对比分析。
The effect of major parameters of die structure on metal flow velocity is integrated and the mathematical model of design and calculation of aluminum profile extrusion die land length is derived.
并综合主要模具结构参数对金属流动速度的影响，建立了铝型材挤压模模孔工作带设计计算的数学模型。
Have gotten the 3d stress, strain and velocity distribution of arbitrary step in continuous extrusion course.
得到了连续挤压成形过程中任意步骤时的三维应力场分布、应变场分布、速度场分布情况。
There is an important influence of the exit velocity at the aluminum profile extrusion on invalidation of the die land.
铝型材挤出速度对模具工作带的失效有着重要影响。
The non-homogeneous metal flow during the extrusion forming process was well controlled by introducing a non-equilibrium parameter of metal flow, the mean-square deviation of velocity (SDV).
通过引进一个反映金属流速不均衡性的参数———流速均方差，有效地控制型材挤压成形时金属流动的不均匀性。
The key points to control the quality of PE pipeline for gas were discussed in this paper. The raw material, temperature, pressure, velocity of extrusion and so on were discussed.
本文讨论了确保聚乙烯燃气管材产品质量的要点，从原材料、挤出工艺温度控制、挤出压力控制、定型、挤出速度等多个方面进行了讨论。
The key points to control the quality of PE pipeline for gas were discussed in this paper. The raw material, temperature, pressure, velocity of extrusion and so on were discussed.
本文讨论了确保聚乙烯燃气管材产品质量的要点，从原材料、挤出工艺温度控制、挤出压力控制、定型、挤出速度等多个方面进行了讨论。
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