This paper introduces the process of coiling the rhombus steel wire for steel wire screw-thread bush and the calculation method about moulding surface in the process of drawing, and the structure of its mould is given
Regarding the complex moulding surface of aerospace part components,this issue elaborates the typical part constitution with the help of Pro/E Wildfire,and emphasizes the correlation of typical part design and process planning as well as product data unification.
针对研究对象零件型面复杂的特点,使用Pro/E W ildfire创建典型零件,并重点考虑典型零件设计和成组工艺过程设计的相关性,保持产品数据统一。
Based on the technical requirement of the tongue-and-groove moulding surface and the chemical constitutions and the mechanical properties of the turbine disk in designing of tenon tooth broach, some problems such as the materials and the structural styles of broach, the choices of broaching methods and distributing work of broach and the confirmation of the nominal dimensions and the tolerances of the broach tooth forms can be defined.
The secondary development of UG is introduced to accomplished blade surface contour error analyse syetem with a good master of it and amalgamation of UG/Open MenuScript、UG/Open UIStyler、UG/Open API and Visual C~(++)(6.0).
在深入研究UG二次开发技术的基础上,综合运用UG/Open M enuScript、UG/Open UIStyler、UG/Open API和V isual C++6.0等UG二次开发工具,开发了叶片型面误差分析评定系统。
It is not enough only concerned with surface contour error when checking the quality of blade's surface. Making full use of the measured data form the CMM, more blade's surface quality indexes are raised. This blade checking system paves the way for improving efficiency of measuring and machining precision of the blade.
s:Features of surface contour for dies & moulds' profiles after CNC milling are analyzed, based on which, corresponding lapping and polishing technology is put forward, and a tooling applicable to CNC machine tool is developed so as to realize automation of lapping and polishing and improve working efficiency.
A slightly elevated fasting blood glucose profile, 1.5 fold higher serum insulin levels and impaired glucose tolerance was prevalent in ethanol treated rats.
An antibiotic producing strain Streptomyces violaceusniger was isolated from soil sample, characterized and studied for antibacterial and antifungal activity profile.
Indeed, compound 13c showed the highest activity profile against individual leukemia subpanel cell line SR (GI50?=?0.91?μM).
It is shown that when Γ = γ0/(1 + 2γ0t), the solution given here still maintains the hyperbolic secant profile.
In this paper, the estimation method based on the "generalized profile likelihood" for the conditionally parametric models in the paper given by Severini and Wong (1992) is extended to fixed design semiparametric nonlinear regression models.
Introduced in this paper is a new method by which the camber line of the turbine blade profile is described by a number of high order polynomial function sections, and which ensures the absence of flex point that is usually accompnied with that function. The paper offers to give a'description of the radius of the inscribed circles of the profile by a number of high order polynomial function sections & to find with numerical envelope method two envelops of the inscribed circles family of the profile, thus forming...
Introduced in this paper is a new method by which the camber line of the turbine blade profile is described by a number of high order polynomial function sections, and which ensures the absence of flex point that is usually accompnied with that function. The paper offers to give a'description of the radius of the inscribed circles of the profile by a number of high order polynomial function sections & to find with numerical envelope method two envelops of the inscribed circles family of the profile, thus forming the pressure surface and the suction surface of the blade profile respectively.
With reference to the popular theoretical contour of helicopter rotor airfoil - a form of blade, having trapezoid in plane view , with negative linear twisting and variable airfoil sections, mathematical models of the airfoil section, the whole airfoil, and the surfaces isometrie surface of the locus of cutter centers have been established by means of vector analysis here.A routine is made by using ALGOL-60 Language according to the presented method .