What is the difference between precision injection molding and prototype model

The prototype is generally processed in plastic or metal on a carving machine or 3D printed or re-molded in the form of several samples or small batch production. Precision injection molding refers to the processing of the mold first, and then using the mold to injection mold the mass production of products. Generally, the customer first confirms with the hand board, and then opens the mold for mass production. There are big differences in production quantities.

Shouban refers to the sample of the product. After your design drawings are published, the finished product is generally not perfect or even unusable. If there is a defect in direct production, it will be completely scrapped, which will greatly waste manpower and material resources and time. However, the production cycle of the prototype is short, and it consumes less manpower and material resources. It can quickly find out the shortcomings of the product design and improve it, providing a sufficient basis for product stereotypes and mass production.

3D printing: Laser printing is used to add materials to make the prototype. The production cycle is very fast. Generally, it only takes half a day to complete the printing and polishing process. Now metal materials such as stainless steel and aluminum alloy can be printed. The surface of the printed prototype It's rough, but metal printing is expensive.

CNC processing: CNC processing is to use CNC equipment such as precision engraving machines to process. It is the mainstream processing method in the prototype industry at present. There are no special restrictions on the processing materials. Basically, plastics, aluminum alloy plates, foams, foams, etc. can be realized.

Silicone mold: This process is to make an original version. The original version can be made by CNC processing or 3D printing. After repairing the original version, you can make a silicone mold. The silicone mold can be selected from ABS, PP, PC, and POM. , TPU and other materials.

CNC hand processing and precision injection molding are not much different in terms of processing methods, and both use machining centers, precision carving, CNC cars and other CNC processing equipment. Shouban processing is mainly processing polymer materials, such as plastics such as PC.ABS and nylon. Block materials are engraved and milled and then polished and painted. The final product is generally a model developed by the customer. The product looks exactly the same. The purpose is self-explanatory, in order to have a visual confirmation of the product's shape, color, and fit before the mold is opened, and reduce the risk of mold opening.

An injection mold is a metal mold for each plastic or metal part after the hand plate is confirmed. It is a tool that can produce parts with certain shape and dimensional accuracy requirements. Generally, steel molds require much higher machine tools and tools than processing hands, and the processing costs are much higher. Common products in our daily lives, such as televisions, telephone casings, plastic barrels, etc., are heated by pouring plastic into the mold to cool and mold. Produced.

There is still a relationship between hand plate processing and injection molds. Generally, the shape of the hand plate model is first confirmed to the customer, and the mold is then mass-produced after confirmation. The cost of mold manufacturing is very high. If the structure is unreasonable or other problems occur in the process of making the mold, the risk is very high. The prototype model can solve this problem well and reduce the danger caused by mold opening.

 


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