The forming die is capable of transferring a precise shape of a die surface of the forming die to optical parts as designed.
该成形模能 够如所设计的那样将成形模的模表面的精密形状转印至光学部件。
To the deficiency of the algorithm of sewing die-surface model, an algorithm to reconstruct die surface based on Reverse Engineering is proposed.
针对原有型面缝合算法的不足，提出了基于逆向工程的型面缝合重构算法。
The die surface is represented by the Ferguson surface with tension parameter through transverse sections of product and billet, so it is universal and flexible.
模具曲面用通过毛坯和型材截面的带张力参数的弗格森曲面表示，具有通用和曲面形状变化丰富的特点。
With laser cladding Co-base alloy coatings, the high temperature hardness and thermal fatigue resistance of H13 hot-working die surface were appreciably increased.
H13 热作模具钢表面经激光熔覆钴基合金后显著提高了模具的高温硬度和热疲劳抗力。
As styling method of compound curved surface has been widely used in die surface styling, it possesses a very important position in surface styling of motor vehicle body cover panels.
由于混合曲面的造型方法在模具表面的造型中广泛采用，从而使混合曲面的造型方法在汽车覆盖件表面造型中占有很重要的地位。
The developing success of this machining and control system provides with a new machining equipment for the realization of automatic grinding and polishing of a complex mould and die surface.
该系统的研制成功，为实现模具复杂形面的自动高精度光整加工提供了条件。
Sometimes lower die temperatures can create a cool layer of resin on the inner surface of the die that creeps slowly to the die exit and then separates from the bulk flow, causing buildup.
有时，较低的口模温度会在口模内表面上生成一个冷却的树脂层，这个树脂层慢慢地移出到口模出口，然后与本体料流分离，从而引起积料。
For high tolerance parts, a sintering part is put back into a die and repressed. In genera this makes the part more accurate with a better surface finish.
对较大公差的零件，烧结后可放回模具重新挤压。一般而言这会使零件更精确同时具有更好的表面光洁度。
Closed-die forging can produce components of greater complexity and accuracy, with a better surface finish than the more traditional methods not using closed dies.
闭式模锻能生产高度复杂和精确的零件，而且表面光洁度要比不用闭式锻模的更传统方法好。
Die-building can produce not only the traditional brick style, but also can produce the effect of ginning brick to the surface more bright.
华建模具不但可以生产传统砖的风格，还可以生产轧花砖的效果，使其表面更加光亮。
The experiment shows that fusion welding reinforcement could proceed on the surface with crack of the die after crack arresting.
脉冲放电止裂后，可对带有裂纹的表面进行强化处理。
Mean while, surface material of die and medium environment influenced the wettability and bondability.
同时，成型模具表面材质、介质环境等对润湿性与粘接性都有影响。
Extruding velocity, temperature of billet and container, die roughness and the chemical composition of the billet are the major factors which affect the surface quality of the extruded product.
挤压速度、挤压毛坯的温度、型腔温度、模具的表面粗糙度以及挤压毛坯的化学成分是影响热挤压件表面质量的主要因素。
The article introduces the method of superhardening treating hard alloy drawing die core with thermochemistry copermeation method so as to improve its surface hardness.
介绍采用热化学共渗法对硬质合金拉丝模芯进行超硬化处理，以提高其表面硬度的方法。
The surface invalidation of H13 hot extruding gear die is analyzed, ion nitriding is used in order to improve H13 hot extruding gear die life.
对H13热挤压齿轮模的表面失效进行了分析，为提高H13热挤压齿轮模的寿命对其进行了离子渗氮。
The fine surface quality and dimensional accuracy cast hot work die was obtained by special sand V method casting technique.
采用特种砂v法铸造工艺获得了良好表面精度和尺寸精度的铸造模具。
This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain, size, crack morphology and propagation mode.
提出了通过显示奥氏体实际晶粒度、裂纹形貌和扩展方式来分析热锻模具型腔表层塑性变形行为的试验方法。
All kinds of surface strengthening technique have been introduced with introduction to effect on die service life and comparison among respective application.
在分析各种表面强化工艺优劣的基础上，介绍了这一技术对模具寿命的影响。
Material compoSition, compacting method and die structure of P/M bush with step and prismatic surface on cylinder were outlined.
介绍带台阶并在圆柱体上有三棱面的粉末冶金村套的材料配方、压制方法和模具结构。
The key design points of die for direct squeezing casting and the die with two-parting surface were introduced.
给出了直接式挤压铸造模具和双分型面挤压铸造模具设计技术要点；
In die manufacture, grinding defects such as surface burning, grinding cracks, grinding trace and grinding stress affect the serve life of dies.
模具制造过程中，磨削加工造成工件表面烧伤、磨削裂纹、磨削痕及磨削应力等缺陷，直接影响模具的使用寿命。
By bulging forming technology analysis of color kinescope shaded cover, die structure and main parts designs are introduced. Punch surface shape is also designed by surface equations.
对彩管荫罩零件进行张拉成形工艺分析，介绍了模具结构及主要零件设计，并运用曲面方程进行凸模曲面形状设计。
Punch and die, according to customer requirements for finishing, surface finish, tolerances.
凸模和凹模，可根据客户要求进行精加工，表面光洁度高，公差准确。
The factors including of melting-casting process, extrusion process, die, and extrusion device resulting in the surface streaks of 6063 aluminium alloy profiles were analyzed.
从熔铸工艺、挤压工艺、模具、挤压设备等方面分析了6063铝合金型材在挤压过程中产生表面条纹的原因，并提出了相应的对策。
The important role of liquid surface pressure control system on density of casting during die casting process and different process has been put forward.
论述在低压、差压铸造的生产过程中，液面加压控制系统对提高铸件致密度的重要作用。
Results showed that effect of using the hot spray-welding process to strengthening the hot-working die steel surface was good.
结果证明采用热喷焊工艺对热作模具钢表面进行强化的效果优良。
The method of divided-area machining for complicated surface panel die based on UG software has been presented with introduction to such CAM process in details of production of an automotive panel.
本文基于UG软件提出了一种复杂曲面覆盖件模具的分区加工方法，并以汽车前盖内板的凸模加工为例，详细介绍了基于该法的模具CAM过程。
The result of the research here can provide reference for improving the life of hot forging die and optimizing the structure of surface of die.
为提高模具的使用寿命、优化模具表面结构提供了理论依据。
The result of the research here can provide reference for improving the life of hot forging die and optimizing the structure of surface of die.
为提高模具的使用寿命、优化模具表面结构提供了理论依据。
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