The size of injection molding should not only meet the requirements of use and installation, but also consider the processing and manufacturing of the mold, the performance of the equipment and the flow of raw materials. Strictly control the factors that affect the accuracy of injection molded parts, including the manufacturing accuracy of the mold, plastic components and process conditions. The surface roughness of injection molding is determined by the roughness of the mold surface, so the surface roughness of the mold is one level lower than that of the product, and the requirements are met by grinding and polishing. The injection molded parts will produce cooling shrinkage in the mold cavity, which makes it difficult to take out the injection molded parts. Therefore, in order to facilitate demolding, the design should also consider that the inner and outer surfaces parallel to the demolding direction have sufficient demoulding slopes.
In terms of precision machining tools, in the process of operation, the first choice is to use its diamond grinding wheel, which can effectively control the amount of cutting tool and feed to a certain extent. way of grinding, that is, nano-grinding. Even the surface of glass can obtain an optical mirror surface.
Corresponding heat treatment process for machined parts will help to increase the hardness, wear resistance and strength of machined parts, and greatly enhance the precision and service life of machined parts.
CNC machining means that CNC machining uses a computer to compile a set of processing programs, such as cutting, tapping, tapping, countersunk holes, etc., which are basically completed by CNC machining, which can reduce product damage
Precision hardware can be cut according to production needs, and then some small accessories can be processed by gong cutting or CNC processing, and precision hardware parts must be cut and punched, then welded, then sanded and sprayed. After the accessories are made done. It should be reminded that small parts also need to be electroplated or sprayed on the surface after grinding. There are many cases of batch processing of precision hardware parts. Therefore, the accuracy of hardware parts almost determines the quality of the product. The more precise the hardware parts, the higher the accuracy requirements will be. So why does the machining accuracy of precision hardware parts deteriorate?
In the current manufacturing industry, CNC machining is a very important processing method, and many companies and manufacturers are using this method for processing. Mainly because CNC machining takes less time and has high precision. Compared with traditional machining, it can save more time. It can complete parts or products with higher precision and more complex structure. Auto parts processing
