Is this an appropriate qustion for the engineering.stackexchange group?

Note that in the body of the question, I want to ask a simple question and I want to differentiate that question from the research that I did into trying to answer my own question. So I thought I will litterly be using the word 'Question' in bold and 'Background' in bold to differentiate the two. The backgorund area will have a discusion of components that various news sources (cited sources) claim are difficult to mass produce.

Start of question text:

Title: Components of Production Machine that makes Melt Blown Fabric used in N-95 Masks


What are main components of a machine for producing Melt Blown Fabric suitable for N95 masks[1]? Which of these parts are difficult to mass produce and why?


Various research and citations......

  • $\begingroup$ I understand that your whole question isn't here, but this question seems too broad. As I understand it, you are pointing out specialized machines and asking why they are difficult to build. This could be asked about almost every machine that isn't already mass produced. Remember that just because something isn't mass produced now doesn't mean that it is "hard" to do. It just means that there hasn't been a reason to do it in the past. It doesn't mean that it is impossible, but it also doesn't mean that it happens in weeks/months. At this point it comes down to a supply chain question. $\endgroup$ – hazzey May 5 '20 at 13:13
  • 2
    $\begingroup$ @hazzey, your point on still being too broad is taken. Thank you for that. I have since learned which component is the bottle-neck and I think I might be able to boil the question down to airflow over fuid with more research ..... . (It is currently has a "hand-drilled* [emphaisis mine] die tips" part that is considered 'art & science' according to one of approx ~6 manufacturer in the world if your curious.) $\endgroup$ – Roger May 5 '20 at 13:55

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