English
Español
中文简体The appearance of the two-color mold is more beautiful than that of the single-color mold, and it is easy to change colors without spraying. The disadvantage is that the cost is expensive and the technical requirements are high:
1. The male molds of the two-color mold are exactly the same, while the female molds are formed by two different ones.
2. The front and back molds of the two-color mold must match. This has higher requirements on the positioning and processing of the mold base.
3. Control the thickness of the front mold panel, the thickness of the mold capacity, the distance of the KO hole, etc. according to the data of the product.
4. When the two-color mold is injected for the second time, it is necessary to avoid the secondary master mold from inserting the glue position of the product that has been molded for the first time, and a part of the void can be designed. However, the strength of each sealant must be carefully considered.
5. During injection molding, the product size of the first injection molding can be slightly larger, so that it can be pressed more tightly with another male mold during the second molding, so as to achieve the effect of sealing.
6. Before the front and rear plates are closed, pay attention to whether the slider or the inclined top of the front mold will reset first and crush the product. You must find a way to close the molds on the A and B plates first, and then the slider or the inclined top of the front mold can be used. reset.
A two-color mold is formed by mixing two materials together. Therefore, the two melts must have good bonding strength. In order to ensure good bonding strength, the bonding performance test must be carried out first, and the bonding can be put into production after confirming that the bonding is qualified.
Rongdu mold Co., Ltd. is well-known China Double color container mould suppliers with more than 30 years of experience in the professional development and manufacturing of all kinds of plastic mold. The company specializes in producing plastic tray molds, turnover box molds, trash cans molds and daily necessities molds. It is located on the coast of the East China Sea, Zhejiang Huangyan, which is known as the kingdom of mold, with convenient transportation and superior geographical location.
