What is the difference using plastic or bronze mould for pasta maker?
I don't know how robust the plastic mould for your machine will be, I have had issues with plastic parts breaking on Philips kitchen appliances (always outside of warranty, naturally), so I can't really comment on that. However, depending on the type of pasta you intend to extrude may have a bearing on your choice. The bronze dies were traditionally used for the harder &quot;higher quality&quot; durum semolina pasta that has much more &quot;tooth bite&quot;, hence using metal rather than plastic due to the stresses involved. Nowadays, manufacturers use Teflon dies as they are cheaper, but this results in a smooth pasta.
If you are intending on making dense pasta such as penne or conchiglie, semolina flour and a bronze die would be a good choice. If you are looking to make a finer pasta such as vermicelli or spaghetti, the use of 00 flour and a plastic mould would probably be fine.
I would also consider the amount of use the pasta maker will be exposed to. If you are only occasionally going to be making fresh pasta, a brass mould is probably overkill. If you are going to be making penne regularly with semolina rather than 00 flour, the bronze die is probably a better long term investment.
https://www.epicurious.com/ingredients/what-is-bronze-cut-pasta-and-is-it-worth-it-article
https://fabulouspasta.com/guide/best-pasta-flour/