针对这一问题,本文研究了零件加工误差对动模板合模位置的影响,得出了零件加工误差的许用值范围,并计算了由于销轴摩擦力对合模力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.
新型精压模的上模设有顶件装置锻件半轴的拔模斜度小锻件半轴的金属敷料少。
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.
由于采用数、模结合的方法(利用数字技术实现时间轴的反转),使整个滤波器具有结构简单和快速、实时的特点。
Through the use of the combine analogical with digital technique, it has the advantage of the simplicity, the high speed and the real time.
介绍了用在通用压力机上成形小型轴类零件的一种新型切断、冷镦自动送料连续模的结构形式、工作原理和设计要点。
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.
该系统为系统深入地研究管轴压精密成形过程中无模约束自由变形机理和成形规律提供了有效的手段。
It provides an effective approach to further and systematical study of free deformation mechanism and law in tube axial compressive precision forming process.
结合六齿矩形花键轴实际成形情况进行模拟计算,获得了入模半锥角的较佳取值范围。
By numerical simulation of a six-tooth rectangle spline, the optimized half-angle of the concave die can be got.
本文介绍了一种利用慢度曲面判断三方晶系晶体纯模轴的方法。
A method of obtaining the pure mode direction of the trigonal system by the slowness surfaces is introduced.
本文给出了花键轴开式整体凹模挤压时挤压力计算的三维上限分析法。
A three dimensional upper bound analysis technique for calculating the extrusion pressure of a spline shaft was presented in this paper.
完成了连铸和模铸LZ50车轴钢疲劳裂纹扩展试验,得到了两类LZ50车轴钢的疲劳裂纹扩展曲线。
The fatigue crack propagation testing were completed for CT specimens of LZ50 axle steels with continuous casting and mould casting.
对圆角模管轴压成形的应用表明该方法是可靠实用的,为实现管轴压精密成形工艺参数的合理选取提供了方法和依据。
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.
提出一种基于GA的自适应模糊积分型滑模控制策略,并将其用于具有非线性动态摩擦力的单轴运动控制系统中。
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.
试验旨在研究在较高轴压比条件下,高弹模PVA纤维对超高强混凝土短柱抗震延性的改善作用。
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.
分析总结了汽车覆盖件冲压模的加工特点,并举实例说明3 +2轴加工的详细过程。
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.
新型精压模的上模设有顶件装置,锻件半轴的拔模斜度小,锻件半轴的金属敷料少。
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.
散热器进出水管剖切模采用浮动凹模芯轴结构形式。
A structure form of floating matrix core shaft has been adopted in the die for slitting the water pipe of the radiator.
对侧面带凹槽的鞋底采用五轴雕刻方法,给出了加工步骤,实现了鞋底模的五面数控加工。
The process steps were given to sole mould with groove both sides by using five axis sculpture.
使用DDS- 70微机控制电磁式振动三轴仪,对三种尾矿砂试样进行了动强度、动本构关系、动弹模阻尼比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.
分析了轴盖的冲压工艺性,对传统工艺进行了改进,介绍了其复合模和修边模结构及设计要点。
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.
介绍了使用五轴五联动高速铣加工轮胎活络模的过程,内容涉及CAD建模、CAM加工、五轴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.
对由异弹模材料构成的闭式万向接轴进行了三维光弹性实验研究。
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.
论述了精锻汽车差速器半轴齿轮原模具结构存在的问题,改进了锻造工艺和锻件设计,设计了新型粗锻模和精压模。
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.
每一只导向模、挤出模套都可根据用户提供的数据设计制造,100%同轴度检测确保电缆同志轴度,从而使绝缘导线具有精确的电特征。
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.
介绍了管材无模轴压胀形的实验,研究表明,适度的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.
其特点是:工作中模切刀垫底轴左右自动移位,旋转模切自动换位,使切口刀痕不重复,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.
其特点是:工作中模切刀垫底轴左右自动移位,旋转模切自动换位,使切口刀痕不重复,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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