Articles by: Aditya Chandurkar

Troubleshooting Injection Molding Warpage with SOLIDWORKS Plastics

What is Injection Molding Warpage Warpage? The occurrence of shape change of the injection molded part after it has been ejected from the mold cavity is called warpage. A warp part will have twist and bends resultant due to internal stresses subjected on the part due to uneven shrinkage…

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How to Avoid Sink Marks with SOLIDWORKS Plastics

Plastic part with Sink Marks

Ejected mold parts often have cavities or pits on the surface, they are called Sink Marks. The physical appearance of these marks are fairly small but are strikingly visible as they reflect light in different direction on the part’s surface.  Sink marks do not affect…

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How to Prevent Injection Molding Air Traps with SOLIDWORKS Plastics

Injection Molding Air Traps occur when a bubble of air is trapped as plastic flow fronts coincide.  The air bubble, or air trap, can cause various defects in a plastic part such as blemishes on the surface, incomplete filling and packing. Common Air Trap Causes Race Track Effect…

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Troubleshooting Short Shot Injection Molding Defects with SOLIDWORKS Plastics

What is a Short Shot? When the plastic material does not completely fill the mold cavity during the injection molding process, this phenomenon is called a Short or Short Shot. An example is shown in the SOLIDWORKS Plastics simulation results video below: Causes of Short Shot Poor Plastic material…

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How to detect Weld Lines in Plastic Part Design with SOLIDWORKS Plastics

Weld Lines

During the injection molding process it is common to see the occurrence of lines where two flow fronts meet due to the inability of those two flow fronts to knit together — these lines are called weld lines. Weld lines are molding defects that cause…

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