The occurrence of burrs is caused by gaps in the mold! We will introduce measures to address the gaps that occur in the mold.
The cause of burr formation is due to gaps in the mold that allow resin to flow in. The reasons for gaps in the mold include "issues with the alignment of the mold, resulting in gaps" and "problems with mold strength, causing gaps to open under resin pressure." As a method of improvement, there are techniques that consider the mold, such as the "IMP method/IMM method," to suppress the occurrence of burrs. 【Molding Conditions】 ■ There are inherent issues with the alignment of the mold, resulting in gaps. ■ There are problems with mold strength, causing gaps to open under resin pressure. ■ Due to molding conditions, excessive injection pressure and injection speed can result in the clamping pressure being insufficient, leading to parting opening or mold plates bending. *For more details, please refer to the PDF document or feel free to contact us.
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**Countermeasures** - Molds that originally have gaps require repair. A well-balanced stop can extend the lifespan of the mold. - Recent trends in molding machines show higher injection pressure and speed. This is aimed at accommodating thin-walled molded products, but it puts molds under harsher conditions. Additionally, resins are becoming more high-performance, with an increase in high-flow materials. Considering this, the strength of the mold needs to be maintained at a high level. - Resin injected with strong force can exceed the clamping force, causing the mold to open. If molding is done under tight conditions for many years, the mold plates can bend, making repairs impossible. *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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We, PLAMO Co., Ltd., have continued to pursue the theme of how to embody the "ideal form" of plastic molded products based on product design technology, mold technology, and injection molding technology with superior cost performance. The unique molding technologies born from the fusion of this orientation and foundational technologies demonstrate their true value as groundbreaking methods that overturn the common sense of plastic molding, leaving no room for others to follow. In the fiercely competitive world of manufacturing, PLAMO continues to challenge itself as a plastic molding manufacturer capable of providing solutions rooted in the creation of new technologies that respond promptly to the needs of the next generation.