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Bridgeport J head step pulley speeds

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  • Bridgeport J head step pulley speeds

    Would somebody please post the speeds chart for a step pulley J head, both high and low range?

    Thanks
    ----------
    Try to make a living, not a killing. -- Utah Phillips
    Don't believe everything you know. -- Bumper sticker
    Everybody is ignorant, only on different subjects. -- Will Rogers
    There are lots of people who mistake their imagination for their memory. - Josh Billings
    Law of Logical Argument - Anything is possible if you don't know what you are talking about.
    Don't own anything you have to feed or paint. - Hood River Blackie

  • #2
    Low- 80, 135, 210, 325
    High- 660, 1115, 1750, 2720

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    • #3
      Or if you have a 2-speed motor like me, the speeds are as follows:
      (UK 50Hz)

      Low range: 67-115-180-275 / 134-230-360-550
      High range: 550-920-1500-2300 / 1100-1840-3000-4600

      Peter

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      • #4
        Or if you have a VFD the range is 3 RPM to 4000 or so in 8 steps..

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        • #5
          Forrest,

          Thats mean . Accurate, but mean

          Robin
          Robin

          Happily working on my second million Gave up on the first

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          • #6
            Thanks X39 - exactly what I was looking for.

            So the gear reduction is somewhere around 8.3:1? If I do the numbers, I get anywhere from 8.25 to 8.333.....

            Anybody know the actual gear ratio?
            ----------
            Try to make a living, not a killing. -- Utah Phillips
            Don't believe everything you know. -- Bumper sticker
            Everybody is ignorant, only on different subjects. -- Will Rogers
            There are lots of people who mistake their imagination for their memory. - Josh Billings
            Law of Logical Argument - Anything is possible if you don't know what you are talking about.
            Don't own anything you have to feed or paint. - Hood River Blackie

            Comment

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