Five requirements for improving the quality of plastic mold steel

When the plastic mold steel is used correctly, it is also necessary to carry out regular maintenance of the mold steel. Planned protective protection of die steel, and data processing in the protection process, to prevent possible problems in the production of die steel, and to improve the efficiency of repair work.

 The planning of the parts should be reasonable, and the best structural scheme should be selected as much as possible.

The planners of the parts should take into account the technical requirements of the parts and their structure must be in line with the craftsmanship and feasibility of mold steel manufacturing.

1. Planning of die steel

This is the most important step in improving the quality of mold steel. Many factors need to be considered, including the selection of mold steel materials, the usability and safety of mold steel structures, the machinability of mold steel parts, and the convenience of mold steel repair. , these should be considered as thoroughly as possible at the beginning of the planning.

2. The selection of mold steel materials must not only satisfy the customer's requirements for product quality but also consider the cost of the material and its strength within the set period. Failure form and other factors to select materials.

When designing the mold steel structure, try to make the structure as compact and easy to operate as possible, and also ensure that the mold steel parts have sufficient strength and rigidity; when the mold steel structure permits, the corners of the surfaces of the mold steel parts should be designed as rounded transitions as much as possible. In order to prevent stress convergence; for the concave mold, cavity and part of the punch, core, a combination of mosaic structures can be used to eliminate stress convergence, and the slender punch or core needs to be structurally appropriate protection methods; Cold punching dies should be equipped with equipment (such as ejector pins, compressed air, etc.) to prevent clogging of parts or waste. At the same time, it is also necessary to consider how to reduce the impact on the quality of die steel caused by the wear of sliding cooperative parts and repeated impact parts in long-term use. 

In planning, it is necessary to reduce the planning of disassembly and assembly when repairing a certain part, especially when the wearing parts are replaced, the planning of disassembly and assembly should be reduced as much as possible.

3. Manufacturing process of mold steel

This is also an important part of ensuring the quality of mold steel. The processing method and machining accuracy in the manufacturing process of mold steel will also affect the service life of mold steel. The accuracy of each component directly affects the overall equipment of the die steel. In addition to the influence of the accuracy of the equipment itself, it is necessary to improve the processing method of the parts and the technical level of the fitter in the process of grinding and matching the die steel. Machining accuracy; if the overall equipment of the mold steel fails to meet the requirements, the mold steel will be moved in an abnormal state during the mold trial, which will have a great impact on the overall quality of the mold steel.

In order to ensure that the mold steel has excellent original precision—the original mold steel quality, in the manufacturing process, we must first reasonably select high-precision processing methods, such as EDM, wire cutting, CNC machining, etc., and pay attention to the accuracy of the mold steel. , including the machining accuracy of the die steel parts, the equipment accuracy, and the accuracy of the die steel after the test and inspection work. When checking, it is necessary to use high-precision measuring instruments as much as possible. For those die steel parts with complex surface structures, if Accurate measurement data cannot be obtained with ordinary rulers and vernier cards. At this time, precision measurement equipment such as a three-coordinate measuring instrument should be used to ensure the accuracy of measurement data.

4. Strengthen the surface of the main forming parts of the die steel

This can improve the wear resistance of the mold steel parts and improve the quality of the mold steel better.

Regarding surface strengthening, different strengthening methods should be selected according to the mold steel used for different purposes. In addition, a technology called FCVA vacuum diamond coating has been developed in recent years, which can form a layer of protective film on the surface of the part that is extremely strong and very lubricating, uniform and dense, which is combined with the matrix. This technology is especially suitable for the surface of mold steel. Protective treatment is also a significant way to improve the quality of the die steel.

5. The correct use and protection of mold steel is also a major factor in the quality of mold steel.

In recent years, the competition in the die steel manufacturing industry in the world has become more and more intense. The ability of enterprises to provide customers with personalized high-quality products with high efficiency and low consumption in the shortest possible time has become a competitive ability of enterprises a logo.

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