In the manufacturing process of medical injection molds, once cracking issues occur, prompt troubleshooting is necessary to ensure smooth subsequent production. So, what factors may lead to cracking in medical injection molds during processing and manufacturing? Next, we will delve into this issue from multiple perspectives.

Firstly, we need to understand the impact of cracking in medical injection molds from different dimensions. Whether from the injection molding process or the mold itself, we can explore the root causes of product cracking from the perspective of the plastic material. Some minor cracking issues can be detected by the naked eye, while more severe cases may require opening the mold and inspecting the injection molding machine to find the crux of the problem.

From the perspective of injection molding, excessive working pressure, fast rate, excessive material injection, as well as prolonged injection and pressure stabilization times, can all lead to excessive internal stress, resulting in cracking. This is the impact of internal stress on cracking issues. To effectively prevent cracking, we need to reasonably control the mold opening rate and working pressure to avoid rapid and forceful pulling of the parts, which can cause product cracking during demolding. At the same time, in the injection molding process, appropriately increasing the mold temperature can facilitate product demolding, while appropriately reducing the material temperature can prevent plastic degradation. Furthermore, for different mold components, we need to make clear assignments and prevent factors such as weld lines and plastic degradation from causing product cracking. During production, we should closely monitor these issues and try to avoid the occurrence of cracking as much as possible.

From the perspective of the injection mold itself, the potential issues that may lead to cracking in medical injection molds can mainly be considered from the following aspects. The formation of stress is an important cause of cracking. We not only need to understand this but also need to know how to effectively avoid the formation of cracking. The ejection of the mold should be balanced, such as having a sufficient number and cross-sectional area of ejector pins, setting a scientific and reasonable demolding angle, and ensuring that the cavity surface is sufficiently smooth. This can effectively prevent cracking caused by concentrated residual stress due to external forces during ejection. As long as we pay attention to these details during production, we can effectively avoid the impact of stress on cracking. Additionally, the product structure design should not be too thin to avoid stress concentration caused by edges and chamfers.

In summary, to effectively prevent cracking issues in medical injection mold manufacturing, we need to comprehensively consider and take corresponding preventive measures from both the injection molding process and the mold itself. Only in this way can we ensure the manufacturing quality of medical injection molds and provide strong guarantees for subsequent product production.

Dongguan Yize Mould Co., Ltd. was founded in 2007, is headquartered in the manufacturing capital of Dongguan, convenient transportation and logistics, is engaged in many years in the design and manufacture of precision molds and precision injection molding products manufacturer, the company focuses on the automotive connectors, medical products injection molding, dust-free plastic injection molding, custom injection molding of PFA products such as design, precision mold manufacturing, injection molding and assembly, after-sales service as a whole set of solutions. The company specializes in product design, precision mold manufacturing, injection molding and assembly, and after-sales service.