WM18 – Broken it again :(

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WM18 – Broken it again :(

Home Forums General Questions WM18 – Broken it again :(

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  • #531922
    not done it yet
    Participant
      @notdoneityet

      Well done, Nick Webb 1 – that definitely looks the bizz.

      Apart from driving a 1.5kW (2HP?) motor with 4 grub screws (I think I would have sourced a suitable tapered coupling) it looks as though that has very neatly removed the ‘weak point’ of these machines with an improved drive.

      Obviously not cheap, but likely a lot cheaper than (almost predictable) further motor/control board failures if the machine were to be driven with a good load at low speed.

      Now, if only the manufacturers would go that way my opinion of these machines would be very much improved. The old saying of ‘buy cheap, buy twice’ has been addressed in your instance. I reckon that second drive on your mill will prove to be far better than the original.

      My machines all have mechanical speed control (continuously variable or by gearbox) so easily effectively operate at slower spindle speeds. How are you finding yours at slow speed? Like, does it need the extra cooling? A reasonably easily swapped two-speed pulley system might be the optimum for your drive?

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      #531933
      Nick Webb 1
      Participant
        @nickwebb1

        Ian, thank you.

        NDIY, also thanks. I don't know about the low speed performance yet – I'm waiting for the ally to come in for the motor plate, to do that as the first job, not wanting to try my luck with the plastic version too much – but the extra cooling from the fan certainly isn't going to hurt. But if it can power tap (spiral flute) M8 I'll be happy.

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