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  • #16
    Difference between three phase conical burr and single phase conical burr

    Hi all,

    What is the difference between a three phase conical burr and a single phase one? which one is better? The reason i ask this is because I just saw some spec about the Mazzer Robur, it has two types of conical burr. It either has a 71mm single phase conical burr or a 83mm three phase conical burr

    Thanks,

    Tony.

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    • #17
      Re: Difference between three phase conical burr and single phase conical burr

      Originally posted by 737567696C756E000 link=1296970735/0#0 date=1296970735
      Hi all,

      What is the difference between a three phase conical burr and a single phase one? which one is better? The reason i ask this is because I just saw some spec about the Mazzer Robur, it has two types of conical burr. It either has a 71mm single phase conical burr or a 83mm three phase conical burr

      Thanks,

      Tony.
      Hi Tony- thats an easy one. $$$, throughput, speed, burr size and power requirement. You need a 3 phase circuit for the hotty model. This would only be relevant in the busiest operation.

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      • #18
        Re: Difference between three phase conical burr and single phase conical burr

        Is that mean a 83mm three phase conical burr robur has a bigger motor than the 71 single phase one?

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        • #19
          Re: 3 phase and single phase

          Originally posted by 7C7A6866637A610F0 link=1227009589/17#17 date=1296971589
          Is that mean a 83mm three phase conical burr robur has a bigger motor than the 71 single phase one
          Not necessarily the 900W motor is a nominal operating power and I doubt if the standard 71mm burrs will be using anywhere near when actually grinding that it is the starting torque available that is of more concern 415V 3 phase moters develop far more torque than 240V moters of the same nominal power hence they can kick over bigger burrs on start up.

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