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Screws have to be added (without threads) #11

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polemidis opened this issue May 4, 2018 · 5 comments
Open

Screws have to be added (without threads) #11

polemidis opened this issue May 4, 2018 · 5 comments

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@polemidis
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polemidis commented May 4, 2018

All screws have to be added or at least measured in order to be able to provide a BOM
Also nuts, t-nuts

@jurra
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jurra commented May 4, 2018

  • We have to count the screws
  • And classify the different types of screws
    All of the screws are M5 x various lengths.
    Except the 3 screws of the Z motor which are M3x45 or M3x60

@polemidis
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polemidis commented May 4, 2018

I propose to replace the Z motor which is a Nema 17, with a Nema 23. The extra torque is not really needed but removes the need for these uncommon M3x45mm. The Nema 23 accepts M5. The cost difference is minimal.

@jurra
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jurra commented May 4, 2018

Do you think we are ready to start the BOM, wth the components we have? it would give a rough estimate of the cost right?

@polemidis
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Yes we could add the more constant expenses leaving the variable ones for the end.
Can you investigate the market in europe for a plasma cutter that is NOT High Voltage, High Frequency start, but is a blowback or striking system pilot start? I do not know that market. If that helps, in the states a suitable plasma cutter which I have and also saw in videos, is the Harbor Freight one for an entry level, the Lotos cut60d for a better choice which hac already a 50:1 divider fro the THC, and on Hypertherm for the absolute industry workhorse (for double price :)
Anyway, that comment may be as an different issue for BOL

@jurra
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jurra commented May 4, 2018 via email

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