Do You Know The Steps Of Injection Mold Opening?

Injection molding, also called injection molding, is a very common production method in plastic product processing. This method is suitable for all thermoplastics and some thermosetting plastics. This production method has high efficiency. The indispensable tool in injection molding is the injection mold. The processing of the injection mold directly affects the quality and production efficiency of the product. The injection mold development Do you know the modeling steps? Today, Shibang Plastics summarizes the following points:

1. First analyze the process of plastic products

Before mold design, we should communicate more with customers about the process details of plastic products, including the geometric shape, dimensional accuracy and appearance requirements of products, and communicate more to avoid unnecessary complexity in mold manufacturing.

2. Mold structure design

On the premise of meeting the requirements of customers, the processing cost is low, the processing difficulty is small, and the processing time is short. To do this, we must first have a good mold design, not only consider the needs of customers, but also have an understanding of the injection molding machine, mold structure, processing technology and the mold factory's own processing capabilities. Therefore, in order to improve the level of mold design, the following points should be done:

1. Understand every detail in the design of each mold and understand the purpose of each part in the mold.

2. When designing, refer to previous similar designs and learn from the experience and lessons.

3. Communicate more with experienced masters to learn and exchange ideas.

4. "There are gods on site" often visit the plastic mold processing site to observe the characteristics and limitations of each processing.

5. Understand the mold trial results and mold modification situation of the mold designed by yourself, and learn lessons.6. Try to use the previous successful mold structure in the design.

7. Study some special mold structures and understand the latest mold technology.

3. Purchasing mold materials

In the selection of mold materials, in addition to considering the accuracy and quality of the product, it is also necessary to make the correct choice in combination with the mold factory's actual processing and heat treatment capabilities. In addition, in order to shorten the manufacturing cycle, the existing standard parts are used as much as possible.

4. Parts processing and mold assembly

The accuracy of the mold is not only the best structure and reasonable tolerance fit during design, but also the processing of parts and mold assembly is very important. Therefore, the choice of processing accuracy and processing method occupies an absolute dominant position in mold manufacturing.

In order to reduce the mold manufacturing error, the processing accuracy should be improved first. In addition, in order to prevent the error caused by the wear and deformation of the mold, when processing the mold with high precision requirements and large product output, the cavity, core, etc. Parts should be quenched. In medium and large molds, in order to save materials and facilitate processing and heat treatment, mosaic structures should be used as much as possible in mold design.

In order to solve the error caused by the uneven shrinkage of the molded parts and the inconsistency between the scheduled shrinkage and the actual shrinkage, 1/3 of the product tolerance is generally selected as the manufacturing tolerance of the mold during mold manufacturing. Large adjustment leeway to solve the errors caused by the molding process.

5. Trial mold and change mold.

A set of molds only completes 70%~80% of its entire manufacturing process from the beginning of design to the completion of assembly. For the error caused by the inconsistency between the scheduled shrinkage and the actual shrinkage, whether the demoulding is smooth or not, how the cooling effect is, especially the size, position, and shape of the gate affect the accuracy and appearance of the product, etc., must be tested by mold testing. If problems are found during mold testing, we will confirm and modify them with customers in time.

Cixi Haofeng Mold Technology Co., Ltd. is a professional Injection Mold Manufacturers. If you need it, you can click the official website to contact us. We are willing to provide you with more service information.