WebAug 9, 2024 · Bad habits can cause many different problems with injection molding machines, and flow lines are included in that. The mold settings can run flawlessly until … WebThe injection molding of resin (plastic) materials is a delicate process, which can be subject to molding defects that impair quality depending on molding requirements and the conditions of materials and additives. ... flow lines, and other fine defects in molded products even for low-magnification observation capturing the target in full. Low ...

Top 10 Injection Molding Defects (And How To …

WebMar 8, 2024 · 1. Burn Marks. This injection molding defect appears as black or rust-colored discoloration on the molded part's surface or edge. Like flow lines, burn marks do not usually compromise the item's integrity, but they may become a problem once the product is burnt to the point of degradation. WebKnit lines, weld lines, mold lines, or flow lines in injection molding are faint lines that become visible on certain plastic parts. Weld lines may appear like seams or scratches, … github ais

Basics of Injection Molding Design 3D Systems

WebMay 21, 2024 · Therefore, changing the edges and corners of the mold core to make it buffer transition and keep the melt flow stable can prevent the occurrence of wavy lines. – Change the thickness of the product. The uneven thickness of the product will make the … WebJun 10, 2024 · The flow line is usually connected to injection specifications, mold and injection material, it can be defined as linear grooving, or round surges, on the surface … WebJul 5, 2024 · Injection molding machine . Some of these factors could be the flow rate, the pressure, or the temperature settings of plastic injection molding. Let’s take a look at some defects that are caused purely due to faults in the injection mould process. 1. Flow Lines Or Flow Marks. What it is: github aitemplate