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Type: Posts; User: Mcgyver

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  1. Replies
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    Re: Scraping the X2 Ways

    Hi there,

    I stumbled on this thread and am the author of that series (thanks for the kind words) and I couldn't tell you exactly what machine the castings were from! The ubiquitous mini mill. ...
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    night and day imo, that is a brutal mistake of...

    night and day imo, that is a brutal mistake of the supplier. 304 work hardens like crazy whereas 303 is a breeze - 303 is free cutting stainless, easy to machine.
  3. Replies
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    I'm guessing an involute approximation is being...

    I'm guessing an involute approximation is being made similar to this approach GEAR CUTTING ?

    I'd don't think carbide's going to stand up to hss. My money's on the cutter being made being...
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    anymore context? what was the tool - endmill?,...

    anymore context? what was the tool - endmill?, was it making chips and looking like it was starting a fire? who was doing it (shade tree guy or nasa), how do you know it was hss? Its fairly...
  5. Replies
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    Poll: just rearranged and fit a few more in :) Dean...

    just rearranged and fit a few more in :)

    Dean Smith and Grace 13x42 lathe (the rolls royce)
    Monarch 10ee
    Maximat MQ3100 (being reconditioned and will sell it)
    Stark Instrument makers lathe...
  6. there's books written on it so tough to cover in...

    there's books written on it so tough to cover in a post, but basically lapping is done by charging the lap. The abrasive grains become embedded in the softer cast iron (softer than the hardened...
  7. Replies
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    +1 and I've handled hundreds. A very good...

    +1 and I've handled hundreds.

    A very good reason for removing the mic for reading is to have a proper view position and light and to eliminate parallax error; especially if looking at the tenths...
  8. Hi David, because of the recent post, I was...

    Hi David, because of the recent post, I was reminding of this thread....the write up has been running as part of a long series in Home Shop Machinist on scraping. Part 8 is the current issue and...
  9. Replies
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    you should say that then, my mind reading was a...

    you should say that then, my mind reading was a little off today :)
  10. Replies
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    consider paying someone else to make them. in...

    consider paying someone else to make them.

    in business, you have to identify your core competencies. They might design, ideas, sales & marketing - all things you need....but it sounds like...
  11. Replies
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    The precision twist drill sets so many carry are...

    The precision twist drill sets so many carry are decent quality at a reasonable price




    I agree buy quality, but that's baloney saying you're wasting your time if its a set, there's junk sets...
  12. here you go :) ...

    here you go :)

    http://www.homeshopmachinist.net/home?noredirect=true&noredirect=true
  13. Replies
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    like this one? if so, you can see in the pics...

    like this one? if so, you can see in the pics the plastic panels on either side of the ram have been removed - there are is a large hole through the casting through which a strap will pass.

    if...
  14. that's a man sized project! The scraping of the...

    that's a man sized project! The scraping of the mini mill x/y you see above is covered in great detail in a series currently appearing in the Home Shop Machinist on scraping. It started with...
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    Perhaps your discussion does not, I wasn't paying...

    Perhaps your discussion does not, I wasn't paying attention to it. The OP's OP and several others most certainer are....where he begins with what kinds of technology do you use to create your art,...
  16. Replies
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    sanding + wood = an industrial product :D sorry,...

    sanding + wood = an industrial product :D sorry, I'm of the school sandpaper doesn't belong in a wood shop....scrape/plane half a board and sand the other half if you need convincing.


    There are...
  17. Replies
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    Shane I think nailed it on all accounts, thanks. ...

    Shane I think nailed it on all accounts, thanks. My thoughts on brad points is that they work very well thin stuff - they actually cut out a disk, but it would not used them for 'plate' which is...
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    its the most dangerous tool in the shop...as you...

    its the most dangerous tool in the shop...as you found out. How you proceed depends on the material, how thick it is, what you're drilling (hole, counterbore etc) and the diameter. Basically you've...
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    smallest I've done was a 3/16 two start 20 tpi,...

    smallest I've done was a 3/16 two start 20 tpi, just under 5mm. That's a coarse small thread for single pointing! It worked but was a nail biter. Easiest way to tool for it is make it from drill...
  20. If it seems that way, well that's the difference...

    If it seems that way, well that's the difference between us....generally I try to only blabber forth on items where I'm experienced and knowledgeable and ask questions where I'm not. It is actually...
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    dgoodard, sorry for being tardy, didn't notice...

    dgoodard, sorry for being tardy, didn't notice your post earlier. The rollers irrc are just under 2", I'll measure next time i dig it out. btw, the MEW i was referring to is the magazine which is...
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    a good quality vise will hold small items, but i...

    a good quality vise will hold small items, but i know what you mean, you're not going to machine 1/16" pins very easily in a 10" 4 jaw.

    There is no single answer, its innovate as the situation...
  23. thanks Bob, the watermark was mainly put there to...

    thanks Bob, the watermark was mainly put there to stop people from stealing the images or using them without permission. They, like anything else you or I create is copyright so is was a reminder to...
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    x2 , drilling is one of the fastest most...

    x2 , drilling is one of the fastest most efficient ways to remove material because the work is balanced torque along the spindle axis with almost no lateral loads on the machine...in other words the...
  25. thanks, these commerical guys should get a room,...

    thanks, these commerical guys should get a room, I mean buy an ad....feel free to delete these post of mine as well and i'll use the triangle from now on
  26. Replies
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    I've just gone through this thought process with...

    I've just gone through this thought process with a series 1. If the ways, screws and spindle are good (concerns me greatly that it was outside, who knows where the rust is), its a great candidate...
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    I've a 30 and a 60"....problem with the 60 is...

    I've a 30 and a 60"....problem with the 60 is lifting the darn thing, I mean i can carry but its bloody big to spot with.

    look up Stephen Thomas at Practical Machinist, good guy, very...
  28. STOP SPAMMING EVERY thread that mentions surface...

    STOP SPAMMING EVERY thread that mentions surface plates or scraping with your CRAP.

    :mad:

    is there someone watching who can ban this guy, he's just spamming his ads into threads. Of course...
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    STOP SPAMMING EVERY thread that mentions surface...

    STOP SPAMMING EVERY thread that mentions surface plates or scraping with your CRAP.

    :mad:

    is there someone watching who can ban this guy, he's just spamming his ads into threads. Of course...
  30. ditto i'd add that its probably not the...

    ditto

    i'd add that its probably not the fundamental criteria in most cases, lots of other factors would drive the decision on bar stock AL vs steel as you could see movement in either. Cold...
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