Lettore espatriato
Guest
with the heat staking (or other types of welding) you save a lot of screws, work and complications if the screw loosens. but, as mentioned, depends on the material.I press that I am not a molding expert, but seeing your design comes spontaneously to me the question: is it really necessary to realize the component in a single piece?
I tend to make the pieces thinking about the technologies that I have in the house, I would have designed it as a simple sheet, drilled in correspondence of the "presins", eventualmente svasando or lamando the holes, and then realized the "presins" perforated and threaded axially, joining all with screws.
especially if it is a small prototypal production, save a lot on the cost of the mold.
for a few pieces (some units) could be enough a sls print .