The added benefits of reduced profile defects and protecting the extrusion die from overheating are not calculated in this financial analysis.
减少型材次品和保护过热的挤压模具的效益并没有计算在本财务分析中。
The extrusion die for plastic profile is the key equipment of its production, and has a great effect on the quality and the production circle.
塑料异型材挤出模是塑料异型材生产的关键技术设备之一，直接决定着型材制品的质量和生产周期。
Extrusion is one of the main methods of plastic product and extrusion die is the important equipment to manufacture plastic profile.
挤出成型是塑料加工的主要方法之一，而挤出模具又是成型塑料异型材的主要设备。
On the basis of the analysis of the character of aluminum alloy profile for subway and its producing difficulty, structure design and various technical parameter of extruded die were detailed.
在分析了地铁车辆用铝合金型材的特点及其生产难度的基础上，对挤压模具的结构设计和各项技术参数的确定做了详细说明。
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。
All kinds of reasons of extruded die cracked is analysised when profile is hot extruded, and take the method of preventing and remedying.
分析了异型材热挤压时造成挤压模具开裂失效的各种原因，并提出了预防和补救措施。
While profile, the cross section was composed of annulus and rectangle, was extruded, the flow mechanism the plastic melt in the die was analyzed and the design method of die land was given.
本文分析了异型(圆环型与矩形的组合)材成型时塑料熔体在模头中的流动机理，并给出了模口成型长度的设计方法。
An example shows that using this method can obtain a uniform velocity profile across the die and minimize pressure drop.
通过算例表明，应用该法进行口模优化设计可以减小压力降和口模出口速率变化率。
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。
To receive extruded product with high quality, it is necessary to know the arrangement of the velocity profile at the outlet of die.
为了获得高质量的挤压制品，对模具出口区域速度分布的研究是必须的。
The concepts of profile are abstracted, thus design mode can be understood easily, the thinking of die designing are developed.
将型材的概念抽象化，使设计模型更加容易理解，拓宽模具设计思路。
The forming recesses (1, 3) of a lower die (2) and an upper die (4) are formed to have a semi-oval profile so as to provide a forming space S almost oval in section with the dies closed.
下模具（2）和上模具（4）的成型凹部（1、3）形成为具有半椭圆形轮廓以当模具闭合时提供大体椭圆形横截面的成型空间（S）。
The machining technology of commonly used aluminum profile extruding die is introduced.
介绍了常用的铝型材挤压模的制造工艺。
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。
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 reason why it is difficult to process the titanium precise profile wire is analyzed, and principles, characteristics and superiorities of the roller-die are simply stated.
分析了精密异型钛材难以加工的原因，简述了辊模拉拔法的原理、特点和优越性。
Quantitatively analyzing the effect of two to the profile of tooth, the inversing compensation method is then put forward to modify the die cavity and the electrode is designed.
在定量分析了两者对齿轮精度的综合影响之后，运用反补偿法预先修正齿形凹模，并进行了齿模电极的设计。
A renumbering algorithm is presented in this paper. The algorithm optimizes the node number of the aluminium profile extrusion die, makes the bandwidth reduced and the compute speed increased.
本文用一种新的结点编号优化算法对铝型材模具网格结点编号进行了优化，减少了有限元带宽，提高计算速度。
A new_type die for hot fine forging internal gears was put forward. The structure principle of the die and the method for designing and machining the tooth profile of the die were discussed.
提出内齿轮热精锻成形的新型模具，论述了模具结构和模具齿形设计加工方法。
Some key dimensions were confirmed according to the flow balancing theory and the velocity distribution, and a profile-tube die was designed for thermal polyurethane.
依据流动平衡原则，根据流场速度分布探讨了部分关键尺寸的确定。针对热塑性聚氨酯材料进行了异型管材机头的设计。
A simple and efficient reversing methodology of adjusting featured parameters is proposed for the casting-die profile design of turbine blades.
提出了一种简单高效的涡轮叶片精铸模具型面逆向设计方法：特征参数逆向调整法。
The die-swell mechanism of polycarbasilane(PCS) melt for a spinneret with Y-shaped orifice and the effect of die swelling of PCS on the profile degree (PD) of Y-shaped SiC were investigated.
研究了聚碳矽烷（PCS）熔体在Y型喷丝孔中的挤出胀大机理、膨胀模型以及膨胀比对Y型碳化矽纤维异形度的影响。
A new tool path generation algorithm was presented to eliminate interferences, when nesting convex mold and concave die were machined with tool paths calculated by offsetting the 2D profile directly.
该算法只需要三次等距即可计算出凸台和凹槽加工刀轨，并且能够处理包含自由曲线的轮廓。
Taking the development of the extruder die for a typical complex profile rubber sealing strip as an example, the designing method a...
本文以一典型异型密封条挤出模头的研制为例，详细介绍了组合式异型密封条挤出模头的设计方法及基本思路。
Taking the development of the extruder die for a typical complex profile rubber sealing strip as an example, the designing method a...
本文以一典型异型密封条挤出模头的研制为例，详细介绍了组合式异型密封条挤出模头的设计方法及基本思路。
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