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17344Re: [multimachine] quality of threaded rod

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  • Steve Wan
    Jun 22 11:06 AM
      Hi Dave
      Thanks! I discovered the differences earlier. Lucky did not buy it to swap Metric for Imperial nut for the leadscrew. Nick's idea getting a G-clamp and cutting it. Usually leadscrews are far more longer unless a shorter one.
      Steve Wan

      On Sat, Jun 22, 2013 at 11:30 AM, Nick Andrews <nickjandrews@...> wrote:

      Speaking of cheap sources of ACME-ish threaded rod, how about Harbor Fright (or better) C-clamps?  They are usually on sale for half price and the 5" clamp has at least a 6" long threaded piece, plus I bet you could cut the clamp and have a ready-made 'nut' for it to weld onto a project or bracket.

      On Fri, Jun 21, 2013 at 9:10 PM, David G. LeVine <dlevine@...> wrote:
      On 06/18/2013 11:17 PM, Steve Wan wrote:
      Speaking of square threads or acme threads, any idea where's the supplier?
      Having problems find it on the net.
      Note: Acme threads come in either inches or metric.
      Steve Wan

      Sorry, Steve, but Acme is a specific thread for Imperial dimensions, the Metric equivalent, trapezoidal, has a slightly different profile.  See http://www.roton.com/trapezoidal-lead-screws.aspx?line=Trapezoidal and http://www.roton.com/acme-lead-nav.aspx?line=Acme for a discussion.

      Since there are different classes and accuracies, as well as different surface hardnesses, I can't give you all the vendors, there are thousands.  Try going to Use-Enco.Com and looking for COMPONENTS    THREADED ROD & STUDS    ACME THREADED ROD, there are some 338 different sizes there.

      Dave  8{)


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      Nick A

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