maybe you have some products at hand, they consist of some plastic parts, I think you might be interested in how to assembly and disassembly, when we put them together, it snaps into a groove or a slot in the mating part, and maybe you have seen it on those plastic parts, it is so called snap latches, snaps allow an easy method of assembly and disassembly of plastic parts, generally they are directly designed onto the plastic parts, of course, no doubt, in most cases, they will Increase the cost of the mold, the common snap design consist of a cantilever beam with a bump, as a general rule, Snaps should have an uniform cross-section or a tapered cross section. The tapered cross-section results in a smaller strain compared to the uniform cross-section. Next time we will discuss more details about snap latches.

snaps of plastic part