(Topic ID: 276843)

Rottendog. Anyone know why the website/account is suspended?

By sniffsnerk

3 years ago


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    #99 3 years ago

    I'm not aware of any company that has manufactured a DIP insertion machine in decades. Nobody uses them anymore because almost nobody is still designing new boards with DIP components. So the bent over leads likely won't be an issue going forward. Fun machines to work on and watch operate. Used to maintain one at my previous job. We ran it maybe one shift per month. I think they scrapped it by now.

    That's one thing, at some point, people will need to realize..... DIP components are almost completely gone from industrial manufacturing, and are becoming increasingly difficult to source. We are not far from the point where it will impossible to make boards with these parts. I know at least one pinball PCB maker that is dependent on used parts for multiple components. Audio processing and amplifiers are the biggest examples right now but even 74XX logic stuff is rapidly disappearing in quantity. Eventually, as a hobby, we're going to have to accept surface mount manufacturing in order to survive.

    Same with axial resistors and diodes. On the industrial level, they're becoming increasingly rare. Parts are easy to get but very few places are still running axial sequencers and inserters. Too much of a footprint and they're maintenance hogs. That and, again, nobody is designing stuff with axial resistors anymore for production purposes. They're exponentially more expensive than SMT parts, and take a massive amount more labor. Getting harder to find places that are even willing to give a quote on assemblies with high numbers of axial parts.

    #101 3 years ago
    Quoted from Robotworkshop:

    Maybe others will chime in too but it is certainly something to consider. They don't have to be huge, just something reasonable.

    For the pad size, I've finally found the 'golden standard' which works very well for me. IPC-2222 Class A. This is the industry standard for most robust productability in low density applications.

    To quote the IPC standard....
    Hole size = maximum lead diameter + 0.25mm
    Pad diameter = minimum hole size + 0.7mm (there's a longer formula, but this is what it works out to).

    Before I found the formulas it was a lot of guesswork that didn't always go well. Just make sure to measure the max lead size properly for square pins, it's from corner to corner, not from flat to flat. I've done that a few times and it gives you holes that are too small.

    1 week later
    #115 3 years ago
    Quoted from lordloss:

    I need to advertise more and get these Williams boards selling first. Sales are OK so far, but not enough to expand to other board types yet.
    Dream is to have every major test fixture and boards for that Era

    I just prototyped an 8x10 lamp matrix set for Sega/Stern. Want a sample?

    -Hans

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