Learn what an undercut in injection molding is and how to design your part avoiding undercuts. We'll demonstrate how to re-design a part with an undercut in Fusion 360 using a shutoff.
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00:00 Intro
00:23 Learn what an undercut in injection molding is. We'll demonstrate how an undercut makes it difficult for a part to be ejected from the mold.
00:50 We'll discuss the 4 main ways to avoid an undercut in injection molding.
01:01 Shutoffs explained. You'll learn how removing material under the undercut can help the part eject better from the mold.
01:26 Moving the parting line explained. This is the easiest way to avoid an undercut in injection molding.
01:42 Bumpoffs explained. Learn when and how to use a bumpoff for undercuts.
02:16 Sliding side-actions and cores explained. Learn to use side-actions when an undercut can't be avoided.
02:47 We'll remodel a part with a snap-fit feature and undercut in Fusion 360. You'll learn how to create a shutoff by making a cut out under the snap-fit feature. Finally, we'll add a draft angle to the design.
FREE injection molding manufacturing and design guide: 3dhu.bs/zeBYlu
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19 июн 2024
