Hinge design plays an important role in Flip Top Cap design. FTC design is accepted only when the hinge action is good. Can any product designer share the hinge calculations to achieve a good Flip Top Cap Design with nice hinge action?
Hinges are really a pain to work with. Sometimes everything is perfect in theory but when the part is injected it doesn't work at all... A little tip I can share is to always try to put the gate parallel to the hinge's line of movement, so the plastic flow across the hinge area without any major disturbances. And you can also try to create a little radius on the corners of the hinge, guiding the flow to a single path.
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