• 针对问题本文研究零件加工误差对动位置的影响得出了零件加工误差的范围,计算了由于摩擦力对合放大比的影响关系式

    Aiming at these problems, this paper studies how the original error affects the accuracy, works out its allowable values, and finds out the equation between friction of pins and clamping force.

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  • 新型精压设有顶件装置锻件斜度小锻件半的金属敷料

    There is a shedder on the upper die of the new type of finish forging die so that pattern draft Angle of half axle of forging is small oversize for machining is little.

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  • 由于采用数、结合方法(利用数字技术实现时间的反转),使整个滤波器具有结构简单快速、实时特点。

    Through the use of the combine analogical with digital technique, it has the advantage of the simplicity, the high speed and the real time.

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  • 介绍通用压力机上成形小型零件一种新型切断、冷自动送料连续的结构形式、工作原理设计要点。

    A description has been made on a structure and principle of progressive die used on a general press for shear, upsetting and automatic feed used for forming small axial parts.

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  • 系统为系统深入地研究精密成形过程约束自由变形机理成形规律提供了有效手段

    It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.

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  • 结合六齿矩形花键实际成形情况进行计算获得了入半锥角较佳取值范围。

    By numerical simulation of a six-tooth rectangle spline, the optimized half-angle of the concave die can be got.

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  • 本文介绍了一种利用慢度曲面判断三晶系晶体方法

    A method of obtaining the pure mode direction of the trigonal system by the slowness surfaces is introduced.

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  • 本文给出了花键开式整体挤压时挤压力计算上限分析法

    A three dimensional upper bound analysis technique for calculating the extrusion pressure of a spline shaft was presented in this paper.

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  • 完成连铸LZ50疲劳裂纹扩展试验,得到了两类LZ50车疲劳裂纹扩展曲线。

    The fatigue crack propagation testing were completed for CT specimens of LZ50 axle steels with continuous casting and mould casting.

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  • 圆角成形应用表明方法可靠实用实现管压精密成形工艺参数的合理选取提供了方法依据

    Used in the forming process under fillet die the result shows that the method proposed is reliable and practical, and can serve as a significant guide to the design and optimization of the process.

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  • 提出一种基于GA自适应积分控制策略,并将其用于具有非线性动态摩擦力的单运动控制系统中。

    An adaptive fuzzy integral type sliding mode control method based on GA was proposed to control single-axis motion control system with nonlinear dynamic friction.

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  • 试验旨在研究较高条件下,高弹PVA纤维超高混凝土抗震延性改善作用

    The primary objective is to study the effect of high-modulus PVA fibers on improving the seismic performance of super-high-strength concrete short columns with high axial pressure ratio.

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  • 分析总结汽车覆盖冲压加工特点,并举实例说明3 +2加工详细过程

    The manufacturing characters of automobile body metal sheet punching die are analyzed and summarized, as well as, the detailed process of 3 + 2 axes manufacture is explained by taking real instance.

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  • 新型精压设有顶件装置,锻件斜度小,锻件半的金属敷料

    There is a shedder on the upper die of the new type of finish forging die, so that pattern draft Angle of half axle of forging is small, oversize for machining is little.

    youdao

  • 散热器进出水管采用浮动结构形式

    A structure form of floating matrix core shaft has been adopted in the die for slitting the water pipe of the radiator.

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  • 侧面凹槽鞋底采用雕刻方法,给出加工步骤,实现了鞋底的五面数控加工。

    The process steps were given to sole mould with groove both sides by using five axis sculpture.

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  • 使用DDS- 70微机控制电磁式振动仪,三种矿砂试样进行强度、动本关系动弹阻尼三方面动力特性研究

    DDS-70 electromagnet kinetic equipment was used to study the dynamic strength, stress-strain relationship, dynamic modulus and damping ratio of three tailing sand types.

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  • 分析冲压工艺性传统工艺进行了改进,介绍了复合结构及设计要点。

    The work process of the trimming die for vertically forming the thin-wall barrels of the shell top part of hot-water shower device was introduced.

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  • 介绍使用五联动高速加工轮胎活络过程内容涉及CADCAM加工、五五联动介绍和加工方法

    The process how to use five axis high-speed milling machining in tire mould was introduced. The content includes CAD modeling, CAM machining, five axis tool machine and the processing method.

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  • 对由异材料构成闭式万向进行光弹性实验研究

    In this paper, a three-dimensional photoelastic experiment was presented for studying closed var-ied-orientation transmission shaft, being made of materials with various modulus of elasticity.

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  • 论述了汽车差速器半齿轮具结构存在的问题,改进了锻造工艺锻件设计,设计新型粗锻和精压

    A new precision forming technology was presented, which uses an ordinary forging machine and a high precision rotary forging machine to make the closed-tolerance semi-axle bevel gear forgings.

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  • 每一只导向、挤出套都根据用户提供数据设计制造,100%检测确保电缆同志度,从而使绝缘导线具有精确特征

    The 100% coaxial grade inspection can assure users of the coaxial wires and cables, thus featuring the insulted conductor with high precision of electrical property.

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  • 介绍管材实验,研究表明适度褶皱有助于提高成形极限。

    It has been experimentally indicated that moderate wrinkle will make a contribution to enhancing the formability of the dieless tube hydroforming.

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  • 特点工作垫底左右自动移位旋转切自动换位使切口刀痕重复提高刀垫使用寿命

    Its characteristics are: the work of cutting knife around the bottom axis automatic shift, rotating cutting automatic transposition, the incision Daogen not repeat and improve knife pad life.

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  • 特点工作垫底左右自动移位旋转切自动换位使切口刀痕重复提高刀垫使用寿命

    Its characteristics are: the work of cutting knife around the bottom axis automatic shift, rotating cutting automatic transposition, the incision Daogen not repeat and improve knife pad life.

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