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Eight categories of mold design


Traditional Design and Green Design
The traditional mold design only considers the ability to design and manufacture qualified molds. It does not think too much about whether the material has an impact on the environment. Can the produced mold be reprocessed and reused after use, etc. In the green design of the mold, the impact on the environment is considered from beginning to end, and the recycling of the mold is also considered.
2. Selection of materials
The green degree of the mold material has a very important influence on the green performance of the final product. The choice of materials for green design must be based on green materials. Abandon the chemical methods used in the past for surface treatment of materials. Instead of physical methods to achieve the purpose of corrosion or easy demoulding. Select high-quality mirror mold steel to process the mold cavity; use stainless steel to process anti-corrosion molds instead of electroplating; or use nickel-phosphorus plating instead of chromium plating with little harm to the environment.
The basic properties of green materials are: ① low pollution, low energy consumption, low cost; ② easy processing and processing without pollution or less pollution; ③ degradable, reusable.
3. Design standardization and standardization
Mold standardization is a prerequisite for organizing specialized production of molds. The specialized production of molds is the key to improve mold quality, shorten mold manufacturing cycle and reduce costs.
(1) Adopt and purchase standard formwork and other standard parts. Formwork and standard parts are produced by specialized manufacturers and enterprises through socialized division of labor, so that limited resources can be optimally allocated. The mould is usually only convex and concave after being scrapped. But the formwork is still pretty much intact. The use of a standard mold base therefore facilitates reuse of the mold base. Stamping die and injection mold mold base has many types, and these mold base is basically by the standard upper and lower mold base. Guide pillar. Guide sleeve and other components. At the same time. The standardization of the mold base can greatly reduce the equipment used in the production of the mold base, thus saving resources. Also conducive to management.
(2) the standardization and standardization of each structural unit of the mold. This can speed up the design speed, shorten the design cycle, convenient processing management.
4. Removable design
During the use of the mold, some parts are worn due to excessive friction and impact. At this time. Only need to replace this part of the mold can still be used. In addition. Sometimes a new product can be produced as long as the working parts are replaced. Non-removable not only results in a large amount of material waste of repeatable parts. And because the waste is not good disposal. It will also seriously pollute the environment. Therefore, it is necessary to consider the problem of disassembly in the early stage of design: ① choose the common structure as much as possible for replacement. ② Under the premise of meeting the strength requirements. Try to use detachable connection. Such as with threaded connection, without welding, riveting, etc.
CAD,CAPP/CAM is a major measure to the overall automation of mold design. Using CAD/CAPP/CAM technology, it can realize the processing and management of less drawings or no drawings, save resources and shorten the mold design and manufacturing cycle. Can improve the success rate of mold development and mold quality. Today, CAE technology has been widely used. First of all, CAD technology can be applied to design the general structure of the product. The basic size is marked, and then the structural analysis, feasibility analysis and process analysis of the product are carried out by CAE technology. Now the CAD three-dimensional software (such as Pro/E, SolidWorks, UG, etc.) are basically integrated with CAE technology, which can simulate the flow of materials and analyze their strength, stiffness, impact resistance experimental simulation, etc. The use of CAD/CAE provides a basic platform for the realization of concurrent engineering, so the design efficiency of the mold is improved and the entire design cycle is shortened. Realize the green product analysis.
6, Design of Manufacturing Environment
The noise and pollution in the machinery production workshop, especially the stamping workshop, are very serious. It poses a great threat to the health of the staff, and also interferes with the surrounding peace. Therefore, the noise generated should be controlled during the mold design. even eliminated. Usually, there are several ways to eliminate machine noise: replace gear transmission with V-belt; replace rigid clutch with friction clutch; do a good job in the dynamic balance of rotating bodies such as flywheels: cover the main parts of the press that generate noise with a sound insulation cover: use Non-impact formwork with shock absorbers, etc.
7. Packaging scheme design
The design of the packaging scheme mainly includes three aspects: the selection of packaging materials, the improvement of packaging structure and the recycling of packaging materials and their waste. The use of packaging materials and waste have a huge impact on the environment. In particular, some difficult to recycle or difficult to drop, the solution of materials, these materials can only be incinerated or buried. Therefore, the packaging of products should be as simple as possible and use green packaging materials (non-toxic, pollution-free, easy to recycle, and easy to degrade materials), which can reduce the waste of resources and reduce environmental pollution.
8, Recycling Design
Mold recycling is the design stage of the mold to consider the possibility of recycling after the use of the mold and the method and cost of recycling. The main contents of recycling design include recyclable materials and signs, recycling treatment methods, technical and economic evaluation of recycling and structural design of recycling. Its main measures are as follows;
① Use mold materials with less impact on the environment, such as non-toxic and harmless materials, renewable materials, and materials that are easy to recycle;
The use of reusable materials;
③ Refurbishment and reprocessing of used mold parts.


How to effectively improve the accuracy of mold processing

With the rapid development of China's economic construction and the improvement of people's living standards, China's construction industry is developing rapidly, and the demand for aluminum profiles is increasing. Therefore, the demand for aluminum alloy extrusion die design, manufacturing and production is also increasing.

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