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Type: Posts; User: gbent

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  1. Maybe ok ballscrews have dual nuts with a spring....

    Maybe ok ballscrews have dual nuts with a spring. Good ballscrews have dual nuts fastened hard together. This way the nut is a hard coupling in either direction.
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    368

    Yes, I would like it. Mine doesn't have the...

    Yes, I would like it. Mine doesn't have the support.
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    578

    If it were me and the offset tip grind didn't...

    If it were me and the offset tip grind didn't work, I would weld up the margin for the first quarter inch slightly larger. I would tig weld it with high speed steel filler. Worn out small drills...
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    368

    My large Starrett square is 21 by 39 in. The base...

    My large Starrett square is 21 by 39 in. The base is 3 inches tall and the blade is 3 1/2 inches wide.
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    Volstro rotary milling head

    Spindle mount is for a 3 9/16 quill, so will need a sleeve or fabricated mount for Series 1 Bridgeport. No pulleys or belts for power rotation. Imcludes 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, and 1/2...
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    Looks like HGR has a competitor.

    Looks like HGR has a competitor.
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    503

    I don't think they're obsolete at all. IMHO...

    I don't think they're obsolete at all. IMHO everyone with a surface grinder needs one.
  8. You talk out of both sides of your mouth. You...

    You talk out of both sides of your mouth. You left a populated area where your ecological footprint was small to go to a less populated area where your footprint is much larger. While I completely...
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    692

    Me, I have to hold the calipers close to my nose...

    Me, I have to hold the calipers close to my nose and look over the top of my glasses, even though they are bifocals. As for digitals, if it was only that easy. The 6 inchers, no problem. But its...
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    Looks pretty simple to make, whether HSS or...

    Looks pretty simple to make, whether HSS or carbide tipped. A little time on a mill for a steel blank for brazing, or a large piece of HSS and send it out for wire edm if you don't want to spend...
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    Air/acetylene plumbers torches.

    Air/acetylene plumbers torches.
  12. Thread: OT-Split rims

    by gbent
    Replies
    16
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    831

    Those are the true "widow maker" rims that are...

    Those are the true "widow maker" rims that are illegal to repair. They separate by turning one half about 1/3 of a turn and then the two halves separate. The problem is the latches. They are...
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    Looks like a hat/coat hook to me.

    Looks like a hat/coat hook to me.
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    420

    Lovejoy Stepdex. The shallowest is set largest...

    Lovejoy Stepdex. The shallowest is set largest diameter. It allowed lower power/rigidity mills to take larger depth of cut single pass. It worked well back in the day.
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    Your picture shows your cutting tool above...

    Your picture shows your cutting tool above center. Not much, but it doesn't take much. Your tool will cut fine .050 below center, and not cut well at all .005 above center. The insert you show has...
  16. Post some pictures of what you are doing. How...

    Post some pictures of what you are doing. How are the carbide attached, brazed, pressed in, or some other method? The best thing that comes to mind is a tap burner, but I don't know if they work...
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    485

    All sold pending funds.

    All sold pending funds.
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    934

    Are you going to have a single upright or A frame...

    Are you going to have a single upright or A frame uprights? What size hoist will you hang? Keep in mind failure will probably be in a dynamic mode rather than static. You are wheeling a load and...
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    How to machine it off depends on what you have...

    How to machine it off depends on what you have for machines. Assuming an adequately sized lathe, chuck the spline end of the spindle, and put the tool end in the tailstock. Secure a dog to the...
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    FS assorted 40 taper tool holders

    Dirty, some with light rust. $5. each plus shipping.
    289933
    289934
    289937

    Flynn #35 boring head, shop built soft #40 shank $50.
    289935
    289936
  21. 10,000 hours of California-burden wages? That...

    10,000 hours of California-burden wages? That gives you lots of room for custom machinery. What about a special custom length belt sander? Do the whole part at one time.
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    Holding tenths is easy. I like to hold at least...

    Holding tenths is easy. I like to hold at least 50 of them at a time.
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    Right hand thread. I believe the set screw above...

    Right hand thread. I believe the set screw above the Gamet badge locks the arbor. Remove the set screw before removing the arbor.
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    The difference is there are a lot of people that...

    The difference is there are a lot of people that could use a cross slide rotary table, and rigging and shipping isn't a killer. If you gave me the mill where it sits on your floor, I would probably...
  25. Tell us a little more about exactly what you are...

    Tell us a little more about exactly what you are doing. Are you rolling sheet metal to make tubing? Are you shearing the sheet metal to size and the shear cut isn't straight?
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