Boss design is a common design in a plastic part, it is used for mating part or for attaching fasteners such as screws or accepting threaded inserts. if our engineers design a bad boss in a plastic part, we will meet many molding problems, so I think The wall thicknesses of a boss should be less than 60 % of nominal wall. of course, it depends on the boss’ position in a plastic part, if it is in an unimportant or invisible position, the wall thickness can be increased a little. even can be used self-tapping screw, a greater radius at the base would be better, a least 0.25 x thickness. Gussets or connecting ribs reinforce the boss.
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thanks for sharing your experience on plastic product design
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These are just the tips in mold design or plastic product design
I bet your guy is just a good mold designer
maybe some mold designers or product designers need your experience
your suggestion is correct, I got it, thanks!
I understand your meaning, yes! it is very important
You seem to deeply understand plastic molding, You are a very experienced designer
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