Injection Molding - Undercuts (How to Avoid and Design)

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. 🔔 Subscribe for more 🔔    / @protolabsmfg   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: http://3dhu.bs/zeBYlu Protolabs is the fastest and most comprehensive digital manufacturing service in the world, combining in-house quick-turn factories and premium manufacturing partners at Protolabs Network. Users can easily upload their design, instantly receive a quote, and start production at the click of a button. Order custom parts online today: https://identity.protolabs.com/   / protolabs   Facebook:   / protolabs   Instagram:   / protolabsmfg     / proto-labs