With the development of society, people's living standard will be improved, and the global warming, people on the air conditioning of the increasingly high demand, commercial air-conditioning is no exception, if still remain in the manual calculation on the level of design only screw cannot meet the needs of people in today's society.
In order to design a high precision screw, requires the application of the computer that has powerful computing ability of the tool, and now, the software development tools once updated, high-level programming languages like C have been developing rapidly emerge in an endless stream, such as language but also in recent years, in such an environment, a screw compressor profile software is it is not difficult to write.
At present, China's existing line design software has SCCAD and so on, but most of them are toll software. In order to provide help for developers, this paper introduces a software for profile design of screw compressors written in C language.
In order to achieve the purpose of line design and calculation, this software is developed by VisualStutio2010 development software, written by C high-level language. A variety of algorithms are adopted to achieve data computing, storage, rendering, and other functions.
The working mode of the 1 type line design software bookmark1 (1) the architecture diagram of the software architecture line design software.
The design of the software line, the block line display program, the block line, the H tool calculation line, the tool tooth profile display, the I 2D and 3D simulation line design software architecture, male, Hebei Shijiazhuang people. Bachelor's degree from East China Jiaotong University, bachelor degree, major in mechanical design, control program design and software programming of screw compressor profile design software is mainly composed of a line profile calculation module, display module, calculation module, line type cutter type line tooth profile display module and PROE 2D 3D animation simulation structure.
The main body of the design software of the type line is the design and calculation of the type line, and the other is the subsidiary function.
The calculation of the type line is mainly completed by the calculation module.
The display module of the type line is mainly completed by the display module.
The two dimensional 3D simulation is mainly completed by the simulation module.
A, a wide range of application. This product is small in size and low in cost. It is suitable for the design and calculation of various types of lines, such as XSM line, Yue erect line and GHD type line.
B, good performance. This product runs fast and has high accuracy.
C, high content in science and technology. This product can realize the interaction between human and software, and can change parameters at any time. It can import the company's profile and design and modify it on the original basis, so as to make the performance better.
D, the auxiliary effect is big. This product also has the shape of the milling cutter coordinates of the calculation, making the self designed type of line have special machining tools.
2, the class library data in software is stored in the corresponding directory, so that the corresponding lines can be displayed in the corresponding window by reading and writing classes and graphics display classes.
In software, the graphic display of data is unavoidable. In the whole graphic display class, we mainly use the following processes: in this class library, we define the profile equation of Yin-Yang rotor, and solve the contact equation and the calculation of milling cutter.
Among them, the contact equation of the Yin and Yang rotor type line is solved. Here, the author uses a dichotomy, and the specific flow chart is not.
In the software design, reading and writing class is the software center, because the data points are all stored by the form of text documents in the installation directory, therefore, and interactive text became the main factor that software can run at the same time, it provides the data for the following calculation processing and milling cutter.
In the software, whether the type line shows a central symmetry, mainly through rotating and reading and writing class implementation, here is the first of the data points of a single tooth will be calculated by the center of rotation, the rotation angle is 360/ designers to define the number of teeth. In this way, we can display the whole flow diagram of the rotor's teeth in the software, we set up the data storage path, usually in the installation directory, but the designer can also modify the path according to his hobby. Then, after the path changes, the other call paths for the associated classes will change accordingly.
The class dependency graph in the software are as follows: each kind of software dependencies in the software main interface of B. graphic display interface 4. According to the current domestic screw compressor profile design software is not much and charge social background, combined with the practicality of VisualStudio 2010 and the superiority of the C language, the design of a screw compressor line type design software, and provide help for the design of screw compressor.
In the software, the need for large amounts of data were screened, so running speed of the computer has certain requirements; at the same time in the process of calculation, the data of high precision is generally reserved to seven or eight decimal places, therefore, the accuracy of the data is worth considering.