What are the problems that need to be paid attention to in injection mold processing when designing flange shaping molds?
(1) Injection mold processing must read before flanging shaping mold design
(1) Injection mold processing in the flange shaping mold design cover parts product drawing. Overlay product drawings (2D and 3D drawings) are the basis for all process production. Before designing the flange shaping mold, it is necessary to carefully read the product drawing of the cover part, fully understand the product design ideas, the functions and technical quality requirements of the product, and predict or imagine which factors will adversely affect the product quality during flange shaping.
(2) Cover parts products DL. Fig. Combined with the product drawing of the covering, carefully study the DL (2D and 3D) diagram of the covering, clarify the flanging (shaping) part, the direction of flanging, and the relationship between the flange shaping process and the front and back processes. Preventing possible problems is very important for flange shaping die design.
(2) Analysis of flange shaping quality problems
Carefully study the stamping process documents of the cover parts, combine the process samples (if any), analyze and compare the quality problems that may occur during flanging (shaping) according to the spatial shape characteristics of the flanging line, and formulate countermeasures in terms of mold structure, flanging method and shaping content, as well as the contour shape of the end face of the flange insert.
(3) Injection mold processing in the flange shaping mold design data preparation
Prepare the reference materials required for the design of the flange shaping mold, such as the previous similar parts of the flange shaping mold drawing, mold national standard, industry standard and enterprise standard, standard parts and general parts samples, should also have the tolerance of stamping parts, the performance parameters of the plate used in the product and customer requirements.
In injection mold processing, mold inserts are widely used, not only in the front mold, the back mold can be seen in the application of the insert, but also in the slider and inclined top can also be applied to the insert. So what role do inserts have in injection mold processing?
1. Convenient for the processing and maintenance of injection molds
The manufacturing process of injection molds is quite complicated, and in the process of processing, some parts with complex structure and special shape are often encountered, which are difficult to process and are not easy to repair. For these complex structures, the method of removing mold inserts can be used to reduce the difficulty of mold processing and maintenance.
2. It is conducive to product molding and demolding
If there are deep ribs or other structures that are not easy to form in the product, these structures are easy to cause defects such as filling dissatisfaction, burning, and so on during molding. Removing the insert can effectively solve this problem, and the gap around the mold insert can not only facilitate the exhaust during molding, but also prevent the vacuum sticking phenomenon that may occur when the product is demolded.
3. Increase the strength of injection mold
When there is a small area of insertion on molded parts such as mold kernels or sliders, in order to increase the strength of the injection mold and improve the life of the injection mold, the inserted part can be disassembled into inserts to increase the strength of the injection mold.
4. Save materials and reduce costs
When the mold kernel or slider and other molded parts, the shape of the component is much higher than other surfaces, or it is not conducive to processing, the mold insert can be removed to save materials and reduce processing costs, otherwise the size will increase when preparing materials, processing is also time-consuming, and the cost causes cost waste.
5. Shorten the injection mold manufacturing cycle
When there is a deep bone position in the cavity that needs to be processed, it is convenient to process, and it can be disassembled into inserts for processing, which can shorten the processing time of injection molds.
