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  1. trlvn

    For Sale 3AT Collet set -- Canada

    Offering a set of 16 3AT collets from 1/32 to 1/2 inch together with a Morse taper 3 adapter. Asking $75 Canadian plus any shipping at cost. My understanding is that these were designed to work with an Atlas, South Bend or Logan lathe with a MT3 spindle. Missing is an appropriate draw...
  2. trlvn

    DoAll Bandsaw for Brian

    220, 440, 380, 550...it is like Forrest Gump's box of chocolates! You never know what you're going to find!! Larger industrial 3 phase equipment in Canada is more likely to be 550/575/600 volts, 60 hertz. But there are lots of other variants out there...
  3. trlvn

    DoAll Bandsaw for Brian

    BTW, on another forum that I follow, a fellow has been restoring and adding a VFD to a DoAll bandsaw. Albeit is somewhat larger model: https://www.owwm.org/viewtopic.php?f=77&t=226012 Craig
  4. trlvn

    DoAll Bandsaw for Brian

    You are exactly right. If you search for "static phase converter", there are several suppliers of such equipment. The description from North American Phase Converters website, as an example, says: https://www.northamericaphaseconverters.com/phase-converters/static-phase-converters/...
  5. trlvn

    DoAll Bandsaw for Brian

    Just curious what you had before and why you were looking to upsize? Craig
  6. trlvn

    Linked/toothed/segmented vee belts...

    I believe this information is (long) out of date. Some decades ago, maybe the 1970's or earlier, you had to specify if you wanted "a matched set of v-belts". Since then, manufacturing tolerances have tightened so much that this is no longer necessary. All v-belts stretch a little when first...
  7. trlvn

    Heat treating high alloy and high-speed steel tools

    Great writeup! Curious about the stress relief and tempering...is the HSS hot enough to show colour at those temps (500-650 C)? Would love to see pictures when the pieces were at temperature but I'm sure you had more pressing issues to deal with! ;) Craig
  8. trlvn

    Keeping 01 free of carbon buildup while hardening.

    If you want a short summary of traditional high-carbon steel versus the fancy alloys that benefit from cryogenic treatment, try: http://www.hocktools.com/tech-info/o1-vs-a2.html Hock Tools is highly respected in the woodworking arena for making top quality edge tools. Craig
  9. trlvn

    Small heat treat or ceramic oven and toolpost grinder

    Is this the one you ordered? https://littlemachineshop.com/products/product_view.php?ProductID=2001&category= These are remarkably inexpensive! Apparently takes an 80mm wheel (a bit over 3 inches) and runs at 6,000 RPM. As long as it has half-decent bearings, I would think it would be...
  10. trlvn

    Precision Gauge Blocks

    After a bit of searching, I found tolerance info on a 26-leaf Mits set. +/- 0.0002 inches for leaves up to 0.007" thickness. Allowable variation increases to 0.00075" for leaves over 0.020" thickness. https://api.sbsimpson.com/storage/documents/mti/950184.pdf Even the lowest spec Jo block...
  11. trlvn

    Precision Gauge Blocks

    A bit of an offshoot question... How precise are feeler gauges? I have multiple sets of feeler gauges even though I've never bought any new. They all came in auction box lots. Of course, each leaf is labelled as being a certain size but are there "A" grade sets that are spec'd to a higher...
  12. trlvn

    Linux "Q4OS"

    Um, no. The Mac operating system is derived from NextStep which was derived from BSD. All of these, including Linux, have a common lineage to the original Unix and thus a high degree of interoperability. The following diagram may help sort out some of the major lines: Craig
  13. trlvn

    WHAT TYPE OF COLLET IS THIS

    Do the collets match any of these? Craig
  14. trlvn

    Cx701 lathe report

    Was there any charge to you for the board or shipping or was it completely covered under warranty? What shipping method did they use? Craig
  15. trlvn

    Linux "Q4OS"

    https://amigaos.net Did you give up too soon? ;) Craig
  16. trlvn

    CX601 Milling Machine

    What a delightful person you are. We may disagree but I haven't disparaged you. Yet. I will again point out that Brian's mill went down on March 3 and I believe he received the repaired head back on March 11. Are we really calling that bad customer service? Note that I only ever commented...
  17. trlvn

    CX601 Milling Machine

    Interesting. Why did you feel the need to point that out? I certainly haven't written anything that suggests otherwise. You might recheck Brian's first interaction with BusyBee. It was all done remotely and they sent him a new control board immediately. Why his experience was different from...
  18. trlvn

    CX601 Milling Machine

    Late last week BusyBee sent Brian a new board expecting that would cure the described problem. Unfortunately, it didn't: #105 He took the head to them and on Monday this week they called him to say they had found the problem (fuse) and were sending the repaired unit to the...
  19. trlvn

    CX601 Milling Machine

    I don't want to antagonize you but...what did you expect? We all want machines with lots of features but at a really low cost. To achieve that, such machine are built of low-cost components in a far-away, low-labour-cost market. I expect that BusyBee will eventually get you up and going but...
  20. trlvn

    Books to teach 3D CAD for Apple

    @Motorman1946 you might want to check out a couple of TurboCAD forums for links and tips. Eg: https://forums.turbocad.com/index.php?board=16.0 https://tcmacforum.turbocad.com/index.php I'm not a member of any of these but both looked to have some recent activity and multiple resources. Craig
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