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  1. comstock-friend

    New Milling Vice

    "It isn't a vice to use a vise, but it is a vice to call a vise a vice – and vice versa!"
  2. comstock-friend

    $40 digital readout

    Got a good deal on iGaging's quill DRO at Little Machine Shop's (Pasadena, California) open house last week (US$60). Installed it on my 1957 vintage Bridgeport without a hitch. Only issue so far is that the fine feed hand wheel drags a bit on the display case. A trip to the South Bend cured...
  3. comstock-friend

    Fusion 360 for a beginner

    Registered for free F360 more than a year ago and have a dozen or so parts for my locomotive project, but have not yet done the CAM for my PCNC1100. The end of last year I herniated a disc and I had not opened either ACAD or F360 for months. Seeing the recommendation for Paul McWhorter, I logged...
  4. comstock-friend

    Help: Chatter on lathe, what's wrong

    On YouTube, you may see someone like Adam (Abom79) work a piece like yours without tailstock support, but he has a real industrial type lathe that is MUCH more solid than your Grizzly. We have to be much more concerned about support with our smaller hobby lathes...
  5. comstock-friend

    Hullo from Or-straylia

    A late welcome from the left coast of ‘Merica. Re the eternal fight, for machining there is only one conversion factor you need, that’s 1.000” = 25.4 mm exactly. Unless you have a 12” circular slide rule, maintaining 0.001” accuracy, much less 10ths is a dream. I use the good old calculator (and...
  6. comstock-friend

    T type cut-off tools

    (I was trying to figure out why Anthony of Eccentric Engineer, 'EE', was selling parting blades! https://www.eccentricengineer.com/) I see the other EE is an Oz thing...
  7. comstock-friend

    T type cut-off tools

    In the US, Little Machine Shop has Arthur R Warner Co blades. These are great blades and make parting a joy (my South Bend 13" and 9", plus the Enco 12"). However, Little Machine Shop's holder is Chinese which is un-usable until you replace the bolts and remachine to fit the blade...
  8. comstock-friend

    Great coolant except its toxic

    Kind of like my Harbor Freight roll a round tool cabinet. The instructions say that before moving the cabinet, it should be completely unloaded, moved and then the tools replaced!
  9. comstock-friend

    PRICE for MYFORD SUPER 7 PLUS LATHE

    A lathe must be a rare thing in Oz. I've two 9" South Bends (9" swing) , one bench, one underdrive, with quick change gear boxes & taper attachments, 3&4 jaw chucks, Hardinge 1A collets by 64ths, tail stock chucks, KDK quick change tool holders (a Western US thing), plus lots of other bits of...
  10. comstock-friend

    PRICE for MYFORD SUPER 7 PLUS LATHE

    Well, Peter and Scott are about as close as one could hope in their part of the world. Wish all the rest of you lads (and lasses) would add your location to your profile! John
  11. comstock-friend

    South Bend heavy 10 vs....

    My Precision Matthews story was not so happy. They had an eBay close out on Y-axis power feeds for "Bridgeports and clones". As I got a nice 1956 BP (purchased with my 13" SB) with with a Servo power feed on the X-axis, I thought I go for it hearing the usual glowing reports of PM. The first...
  12. comstock-friend

    tachometer, the easy way

    Luc, kit says it doesn't come with the magnet. What are you using for the magnet, a plain cheapy (refrigerator magnet) or rare earth??? Mounting for magnet; drilled and glued in or something else??? Calibration: this would seem to be nuts on as I assume it is counting every time the magnet...
  13. comstock-friend

    South Bend heavy 10 vs....

    I also have a SB 9" and an Enco 12" (Taiwan, belt driven). On paper the larger Enco should be much more capable than the SB 9", but the Enco has several serious design flaws that need to be contended with that make the SB 9" much more fun to run. (Both have quick change gear boxes, and...
  14. comstock-friend

    South Bend heavy 10 vs....

    DJP's "Unless you find a Southbend lathe covered in Cosmoline and stored in a military warehouse, it will have lots of wear and require restoration." is not quite correct. My 13" South Bend (originally shipped in 1958) has a tag from my old college (I may have used it long ago). I bought it from...
  15. comstock-friend

    4 jaw chuck selection--Self centering or individual jaw adjustment type

    The more you use an independent 4 jaw, the quicker the centering gets. It should be the go to chuck. My three jaw has hard and soft, the soft jaws are great when setting up for a pile of wheels and such. Small bar work, round, hex and square goes into my 1A collets on the 9" South Bend, 5C...
  16. comstock-friend

    Is this usable in model machining?

    As Cogsy says, the 'L' low carbon version minimizes (controls) carbide precipitation after welding for better corrosion resistance, although not much in the literature about the effect on machinability (here is an example: http://www.ssina.com/download_a_file/machining.pdf ). 304/304L and...
  17. comstock-friend

    Servo Drive For a lathe Compound

    Yes, we got the 'what' he wants to do but not the 'why', plus the confusion of 'compound (cross slide)'. If the compound, I would assume it would be for the powered cutting of tapers. I would think that a Grizzly G4003 already has a powered cross feed (my Enco 12" does, probably the same lathe...
  18. comstock-friend

    1/4 40 tip lock but

    This is a useful book for playing this game. Pages 86-87 of this edition has the Model Engineer Standard (M.E.) and Special Fine Threads chart. ME 40 and 32 tpi taps and dies are readily available, ebay and brick and mortar stores (especially in the UK).
  19. comstock-friend

    Narrow grooving

    The OP has gone missing and we still don't know the actual ring groove width (0.85mm or (0.334") wide). Hard to offer advise at this point... And what speed was he trying to make his grooves? At 2.65" OD, with grabby aluminum. Snapping grooving tips is easy if run too fast. John
  20. comstock-friend

    Lathe (another discussion)

    Not knowing where you are on this globe limits what I might suggest. Since your picks are priced in Euros it guess you are not in North America. In NA I'd go with good old American iron, especially if doing bike work along with the model work. The bike work kind of takes you away from the bench...
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