In addition to its chassis and engine, most of the "parts" are large and small "thin-walled parts", and these "parts" are "punched" and "injected" through various types of molds. of. Therefore, the design, processing and inspection of the molds have become very important. DELCAM from the UK has launched a full range of mold processing aids.
Automotive mold design generally includes both forward and reverse methods. The forward design includes the structural design of the mold and the complementary design of the process. The structural design of the mold can be done indoors, but the mold must be molded and the process needs to be supplemented. The breakthrough that can shorten the forward design cycle of automotive molds is here. There are a variety of 3D modeling software available on the market to complement the process, but these common functions are not obvious in improving the design efficiency of automotive molds.
In addition, in a model, it is usually only partially unable to meet the stamping process requirements and needs to be modified. At present, the local modification is often a re-sizing method, which greatly increases the workload. The global model editing function and global change function advocated by Delcam's Power Shape and PS-Diemaker modules can effectively improve the forward design efficiency of automotive molds, which are embodied in the complete product design (Embossing) and rapid product deformation design. (Morphing) features.
The complete model is to use Delcam's full styling capabilities to create and manage models in the same environment. The uniqueness of the model is a combination of a solid model and a Triangle model as a cut feature. Morphing technology can be used for dynamic deformation editing in all areas (including the Emboss area). Either Emboss elements or Morphing operations are associated features of entities, ie they are all re-editable. The characteristics of the complete shape are as follows:
1. Complete modeling integrates all the design methods to facilitate the designer to use;
2, can be a complete design, no need to consider starting from new ideas, 2D sketches or existing designs, without any restrictions;
3. Designers can more easily combine different design methods and can quickly see the results of the changes;
4. The designed elements can be wrapped on the solid model and can be adjusted using the imitation deformation technique, reducing the time for remodeling;
5, the complete modeling ability to ensure the need for innovative design in a short time.
In addition to the forward design, the reverse design is often used in the design of automobile cover moulds, namely physical scanning → processing point cloud → surface construction → processing preparation. Since this must be a serial process, it sometimes fails to prepare the blank before the surface comes out. The preparation of the blank often takes several months, which makes the reverse design extremely inefficient, so many companies have abandoned the reverse design method. The key problem that reverse design needs to solve is the parallel processing of design and processing.
Delcam offers a complete solution for "reverse design", including Copy CAD software for scanning point clouds and reshaping, Power SHAPE software for full styling and editing, and Power MILL for mold processing software. The Copy CAD module can be run separately, and the STL model can be generated directly from the scanned point cloud in a short time. This model is not a surface model, but it can be used as a model for blank preparation and can be machined in Power MILL processing software. Thus, with the end of the design work, the processing of the mold is also ended, thereby greatly improving the efficiency of the reverse process.
The stage in which a mold is designed to be completed in the development room is only the first part of the entire development cycle. In the case of complex injection molds, it is also necessary to design the mold structure and the core-pulling mechanism, including the mold surface and the parting line of the mold core and the cavity plate, the design of the cooling water channel, and the design of the automatic side pumping structure. Increase the design of the mold standard parts and various simulations after the completion of the entire mold design, including cavity demoulding simulation, automatic side pumping simulation, mold opening simulation, etc., to ensure that the mold solves all problems before it is actually manufactured. In the development phase.
Delcam's PS-Moldmaker is a solution for the assembly of 3D solid model assembly, which can design and assemble all the components in the mold. It contains a library of standard mold parts, and the degree of automation of non-standard mold designs is also higher.
PS-Moldmaker not only continues to maintain its highly automated mold design capabilities, but also provides great design flexibility with the high integration of Power SHAPE's full styling and model analysis tools, while it also has its unique features, namely At any stage of the mold design, the user can exit the automatic design mode, use Power SHAPE to make some manual modifications to the design, and then continue back to the automatic design mode to complete the new model design. This means that users can not only benefit from the simplicity and convenience brought by high-automatic design, but also get the high-precision model design results according to their own needs, regardless of the size and complexity of the model.
In addition, PS-Moldmaker can generate 3D assemblies for solid models and list all the components in the model. This feature is made more flexible thanks to the addition of a large number of parts catalogs for new standard component providers. During the mold design process, the system will continue to automatically prompt, when possible, the user is expected to use standard parts as much as possible, and the system also proposes the appropriate part size for parts that need to use non-standard parts. Users can modify these suggested data and save non-standard parts in the user-defined parts catalog for later use.
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