Causes and Solutions for Weld Lines in Injection Molded Products Introduction to Weld Lines Weld lines not only impact the appearance quality of plastic components but also affect their mechanical properties, such as impact strength, tensile strength, and elongation at break to varying degrees. Additionally, weld lines have a significant impact on product design and … Read more
How to Solve the Color Variation and Black Spots in Transparent Products? Regarding the issue of color variation and black spots in transparent products, we will illustrate how to eliminate them from the root based on a customer’s case to ensure normal production in the future. To protect our customer’s privacy, we will refer to … Read more
Factors Affecting the Service Life of the Injection Molding Machine’s Plasticizing System What is the Plasticizing System of an Injection Molding Machine? The plasticizing components of an injection molding machine include the screw, the melt barrel, the screw tip, check ring and check seat. During the operation of the injection molding machine, the plasticizing components are … Read more
Technical Requirements for Mold Venting In the manufacturing of molds, proper mold venting is a crucial aspect. Mold venting can represent the overall quality of the mold structure to a great extent. Even if a mold is excellent, without effective venting, it is unlikely to produce consistently high-quality products. A good mold should have excellent … Read more
Classification of Molds 1. Various Classifications of Molds 1.1 Classified by Hardness: Soft Mold, Hard Mold (Quenching Treatment) 1.2 Classified by Quality Grade: Grade 1, Grade 2, Grade 3, Grade 4 1.3 Classified by Difficulty: Class A, Class B, Class C, Class D 1.4 Classified by Mold Size: Extra Large, Large, Medium, Small 2. Definition … Read more
Advantages and Disadvantages of Injection Molding Process Injection molding is the most commonly used process for manufacturing plastic components. This process utilizes injection molding machines, raw plastic materials, and molds to melt the plastic and inject it into the mold, where it solidifies and forms the final component. This process exhibits significant variations in size, … Read more
Characteristics of Thermosetting BMC Plastics Introduction to BMC Plastics Bulk Molding Compound (BMC) plastics are bulk molding materials that possess excellent electrical, mechanical, heat resistance, and chemical corrosion resistance properties. They are also suitable for various molding processes, allowing them to meet a wide range of performance requirements for various products. As a result, they … Read more
How to Solve the Issue of Burn Marks on Injection-Molded Parts? Injection Molds often experience burn marks during production due to various reasons. The solutions to these burn marks differ based on the causes, which can stem from mechanical issues, mold-related factors, or molding conditions. Causes and Solutions for Burn Marks on Injection Molded Parts … Read more
How to Modify Mold Cavity Dimensions? If the produced product dimensions deviate, it means there is an issue with the mold cavity dimensions. Once the mold cavity dimensions are set, modifying them again can be quite challenging. But don’t worry, we’ve got some ways. And in this post, we will explain how to modify mold … Read more
Injection Molding Process for Polypropylene An Overview of the Injection Molding Process for Polypropylene Polypropylene, commonly known as PP, is often referred to as the ‘hundred-fold adhesive’ due to its excellent impact resistance. PP is a semi-transparent, semi-crystalline thermoplastic with high strength, good insulation properties, low water absorption, a high heat deflection temperature, low density, … Read more
