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20 mar 2023 · Injection moulding defects and their causes can help prevent by changing the part design, mould, material and processing parameters
Causes: Thick wall designs that are typically found at the bases of ribs and bosses. Excessive injection pressure. Inadequate venting in the mould, leading to trapped air pockets. Solution: Design parts with uniform wall thickness, minimize abrupt changes, and add ribs for additional support.
11 paź 2024 · Explore 11 common injection molding defects like sink marks, weld lines, and flash. Identify their causes and learn effective solutions for your injection mold challenges.
Here are 11 common injection molding defects to watch out for when inspecting injection-molded products, what the causes are and how you can avoid them.
2 paź 2024 · 10 Common Injection Molding Defects + How to Fix Them. Injection molding defects can have various causes. According to Bill, addressing defects promptly is essential to maintain operational efficiency, ensure product quality and safeguard molders’ long-term success.
Among the entire polymer processing operations, Injection Molding is the most important along with the extrusion process (Vlachopoulos & Strutt, 2013). Due to its relative ease of use and being able to produce large volumes of pieces with a few manual operations.
Cause of defect: Light and dark stripes appear on flat parts, this effect can be seen especially at the end of the flow path. Tiger stripes particularly appear on PE and PP.
