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Type: Posts; User: jz79

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  1. Replies
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    271

    this is too depressing to read, and the worst...

    this is too depressing to read, and the worst part about it - there is quite a big part of population that see these people as "making it", because they employed also a few honest people apart from...
  2. I can't speak for everyone, just from my...

    I can't speak for everyone, just from my experience regarding 6xxx series alloys, the main (or common among them) alloying element is Si in these, and the amount of it makes the difference (if all...
  3. Thread: Pull scraper??

    by jz79
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    431

    this is the best vid I've seen that shows Swiss...

    this is the best vid I've seen that shows Swiss type scraping and tools:

    https://www.youtube.com/watch?v=TFCVO0fXW1k
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    In theory the witness sample should work, but it...

    In theory the witness sample should work, but it has to be the same stock of material for one, and racking has to be 'ideal' for both parts for them to behave the same way, what I mean by that is...
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    88,406

    I tried Dykem hi-spot this morning on the...

    I tried Dykem hi-spot this morning on the differential gears I mentioned, and just couldn't get a good enough print, getting enough resistance between driving and driven side was also difficult with...
  6. 6063 and 6061 anodize basically with identical...

    6063 and 6061 anodize basically with identical results, 6082 (higher Si content) is where you can begin to see differences, higher Si makes the surface (even if polished to mirror) lose its luster,...
  7. any paint will produce rounded edge on corners,...

    any paint will produce rounded edge on corners, that will create the "parting line" effect

    anodizing will work for this, bright red is certainly possible, the only problem here might be with the...
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    when I said to do trial runs I didn't mean the...

    when I said to do trial runs I didn't mean the actual finished parts, make dummy parts with similar surface area and couple special features you're going to inspect and use the same hanging method to...
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    hard anodizing is done at around -2 degrees C,...

    hard anodizing is done at around -2 degrees C, you will have to take into account the thermal shrinkage if you want to do it that way, in case the parts need to be dyed, you might run into problems...
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    you can't really tell from this "print" anything,...

    you can't really tell from this "print" anything, what one should be seeing is what people look for when finish scraping - high spots (gear tooth contact patches) will be light - no spotting...
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    my eye isn't really trained in adjusting gear...

    my eye isn't really trained in adjusting gear meshing, but somehow I don't think that is the right amount of spotting compound you used there, the idea is to get a very thin and even coat (like what...
  12. Thread: filing titanium

    by jz79
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    672

    steel density is around 8, Ti - 4.7, aluminum...

    steel density is around 8, Ti - 4.7, aluminum ~2.8, if you have the same component from a known material, you could just weigh them on jewelers scale to get an idea if they are Ti or not, apart from...
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    as an exercise, I gave this modification a try,...

    as an exercise, I gave this modification a try, used Dialog 4 post available from Autodesk as a base,

    what it does:
    calculates G0 and G1,2,3 moves for X, Y and Z axis and keeps adding them up in...
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    Fusion does calculate total feed distance for an...

    Fusion does calculate total feed distance for an op, you can see it one of the info windows for an operation, but I did very quick search in the...
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    my experience is nearly 10 years old with this,...

    my experience is nearly 10 years old with this, so there are probably more software solutions out there now to make the work flow easier, but back then the scanner itself (supposedly it was some...
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    this looks more contrast adjustment related, that...

    this looks more contrast adjustment related, that signal is usually set by a voltage divider, a trim pot or couple resistors, usually near the power supply/lcd cable connector area, could try to...
  17. for the ones that don't believe it works on...

    for the ones that don't believe it works on steel, fast forward to around mid part of the video, the part looks it might be aluminum, but then the glowing sparks later in the vid must have come from...
  18. I've seen not just CCFL replacement tubes, but...

    I've seen not just CCFL replacement tubes, but also kits to replace old CCFL tubes with led strips, that was for PC size screens (14-15" and up) back when computer LCD screens were still expensive...
  19. while I was digging inside the control cabinet,...

    while I was digging inside the control cabinet, decided to look into the TNC to see what the problem with the TX signal was, the low amplitude I mentioned previously (-12V to +3V only, when it should...
  20. they are targeting people born after year 2000! :D

    they are targeting people born after year 2000! :D
  21. I was considering doing preventive maintenance on...

    I was considering doing preventive maintenance on the spindle, but I keep putting that off partly because I have no drawings for it, and mine is producing quite a good finish both on facing and side...
  22. So the bad news - Stromag CHA 055.2 spindle motor...

    So the bad news - Stromag CHA 055.2 spindle motor drive failed on my machine couple weeks ago, sparks, smoke etc.

    Good news - after about 30 hours spent reverse engineering it, I managed to repair...
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    it is difficult to see the performance gain from...

    it is difficult to see the performance gain from virtualization of those CAD/CAM workstations when compared to connecting to them on a 10G LAN with a remote desktop, there should be no to very little...
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    you sound very millenialish... if you would...

    you sound very millenialish...

    if you would have given a bit of information on your electronics skills, opened it up, did some basic diagnostics, like look for said bulged caps (yes, there are...
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    the spirit of your question is - you want free...

    the spirit of your question is - you want free answers to expensive questions, hence I wouldn't expect anyone to guide you step by step on how to fix it, this isn't a bulged cap replacement in a pc...
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