6. Two-dimensional mechanical part parameter design module Common mechanical drawing construction tools, parametric design, blanking part. ☆ Construction tools Some structures commonly found in mechanical design, such as holes, slots, etc., are called features. The feature design not only improves the drawing efficiency, but also provides an interface for the next CAM. Feature design is the latest in the development of CAD. ☆Parametric design The parametric design system is one of the core modules of Haochen Machinery and the latest research result of 2D CAD technology. It is developed according to the principle of descriptive geometry, using parametric and variable techniques, and is a domestic leader in terms of algorithm and practicality. Dimensional driving is the basis of parametric design, which allows the graphics to automatically change with the change of the size value to achieve the purpose of flexible design. In conventional engineering drawings, the dimensioning is constant and the size cannot be driven. It can be seen that the size of the regular graphics (also called sketch) is first parameterized before the size can be driven to finally reach the user's satisfactory graphics. Therefore, the parameterization process is the core issue of size drive. Parametric design The system is a fully parameterized, variable software. The successful development of the software greatly enhances the ability of conventional CAD in engineering design. It fully considers the various requirements in the engineering design process and can support the concept. From design to structural design, from part design to component design, it is suitable for product sketch design, modification design and serial product design and management. It is a fast drawing and design software for a variety of industries. ☆ blanking The function of block blanking provided by Haochen Machinery is mainly to meet the blanking of multiple closed areas during assembly. The occlusion blanking of the tile can realize the cropping of the irregular shape of the tile, and can restore the original state of the tile entity when needed. The function of text blanking provided by Haochen Machinery is mainly to satisfy the large number of dimensions and texts in the drawings due to overlapping with lines, which affect the quality of the surface. Therefore, through (size) text blanking (cropping) and (size) text blanking (occlusion) function, instant satisfactory results are obtained. The occlusion blanking of text can achieve the blanking of size text and text against the background without damaging the continuity of the lines, and can cancel the text blanking when needed. The main features of Haochen mechanical system: Intelligent, characterization, parameterization, specialization, customization, standardization, integration and international integration 1, high drawing efficiency With Haochen Machinery, the speed of drawing drawings can be 5-8 times faster than that of directly using the CAD platform, which is much higher than the drawing speed of similar software. Such as functions: drawing tools, construction tools, symbology and dimensioning. 2, functional and practical With its meticulous function and practicality, Haochen Machinery can meet the needs of users in drawing, design and management. Such as function super editing, smart annotation, multi-label, super card and so on. 3. Open resource acquisition and conversion Haochen Machinery integrates a variety of data interfaces, not only can use a variety of existing resources (using: extract standard parts, extract title bar, call the sentence database, engineering calculator, read text files, read DWG files), generate details Tables, drawing tables, etc., can also export data of various types (TXT, Excel, etc.) by exporting text files. Such as functional batch data extraction, table data import and export, word library and so on. 4, parameterized library and design tools The parameterized national standard library and serialized parts library of Haochen Machinery are completely based on parametric design, which greatly improves the drawing efficiency of standard parts and common parts. There are 1800 parts in 44 categories, and users can add them themselves. 5. Intuitive and easy to learn human-computer interaction interface In the past CAD system, the process of computer drawing is often inconsistent with the habit of general engineering drawing, so that engineers can not grasp it in a short period of time, and the idea of ​​Haochen mechanical drawing is completely consistent with the habits of engineering personnel, even if the computer operation is not Skilled engineers and technicians can also learn within three days and skillfully use Haochen Machinery within half a month. 6, the drawing is in full compliance with national standards The engineering drawings drawn by Haochen Machinery fully comply with the national standard drawing specifications. Such as functions: drawing settings, serial number / schedule, symbol labeling, dimensioning and national standard parts library. Previous page Test tubes, Pipette guns, Centrifuge Tubes, etc. in the laboratory need to be organized. 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