Lathe reliability

Lathe reliability

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  • #113737
    John A Cole 1
    Participant
      @johnacole1

      Im about to get my first lathe and have settled on a SIEG C3 type. Before I get into other specifics my first thought is, are they reliable? Its a lot of my hard earned (to me!) and I want to know it will work every time so that the only spending will be accessories and materials, not keeping it going! appreciate any views, thanks

      #6611
      John A Cole 1
      Participant
        @johnacole1

        SIEG C3…. yes or no

        #113834
        Sub Mandrel
        Participant
          @submandrel

          It depends how hard you work it. I've thrashed my Clarke mini-lathe and I have only broken one change wheel, a couple of drive belts and the toothed gear on the motor in 13 years. Except that

          1 – I have blown up two brushed motors – consider one of the brushless motor versions (as per Arc and others – these are supposed to be much more robust)

          2 – I blew up the motor control board by letting a long bit of swarf find its way into the control housing.

          This is what caused my first motor burn-out:

          Full capacity

          I think many people would think twice about making a Myford tackle a 6 1/2" long block of cast iron.. but I was to new to the game to realise! I have now converted my cl300m to run off a 1/2HP Hoover Fractional motor.

          Neil

          #113839
          Andyf
          Participant
            @andyf

            John, asto reliability, cynics say that Seig C3s often don't work that well straight out of the box. They do sometimes need a bit of fettling to get everything working right. If you buy one from Arc Euro Trade, you can pay them to do this preparatory work for you, or if you are reasonably confident, do it yourself; they very sportingly show what is involved here.for the standard C3 and here for the Super version.

            As Neil says, the Super version has its advantages. The motor is more powerful and more capable of delivering torque at low speeds, so the High/Low gearbox hidden inside the headstock of the standard version is not needed. The gears in there are made of Delrin, a type of enginering plastic, and have been known to break.

            If your budget rules out the Super C3, you might consider the Real Bull (I kid you not!) mini-lathe sold by some UK suppliers under their own names – Warco and Amadeal spring to mind. This is very nearly the same as the standard C3, and indeed most of the parts you might ever want to replace are interchangeable between C3s and Real Bulls. Some say RBs come with a slightly better standard of fit and finish, and they do have various little oil ports to help you lubricate most of the bits which need it. They use an American (KB Electronics) speed control dircuit, rather than a Chinese one, and KB controllers have a better reputation.

            Don't forget that buying the lathe is only the beginning of wallet drain. By the time you are finished, you can easily spend half as much again on tooling, though at least most of that can be bought as and when needed, which reduces the pain somewhat.

            Andy

            #113840
            Paul Lousick
            Participant
              @paullousick59116

              Hi John,

              I do not have a Sieg lathe but have one of their milling machines and am very happy with it. The reports on the mill also stated that they did not work very well straight out of the box and needed some extra work but I did not find this. Have had it for more than a year w with no problems.

              Paul

              #113849
              Derek Drover
              Participant
                @derekdrover32802

                I started out with the Clarke mini lathe, and was very pleased with it (once it was setup). It was surprisingly accurate and easy to use. I used it alot for making small bits and pieces, but found the tool post not rigid enough for larger work. Also the motor wasnt powerful enough for screwcutting, therefore I upgraded to a bigger (Chineese) lathe which allows me to do alot more.

                I now have a Chester 920, which although isnt vari-speed is a more capable bit of kit.

                Del.

                #113852
                John A Cole 1
                Participant
                  @johnacole1

                  Thanks everyone for the info. I had my ideas about limitations but its good to get practical first hand experience based comments. Set up Ive looked through and see nothing that concerns me so getting it to perform reasonable should be ok (any problems I have you all to ask!)

                  Im not using it for large, heavy items so should be ok with loading (mostly model aero engine repair and parts and some airgun parts). Most thread requirements will be tap or die I expect. And I am on a learning curve as the last time I used a lathe was as an electrical engineering apprentice in 1977!

                  I fully expect to spend out cash on tooling, gauges, parts etc. as I do with all my hobbies, usually followed with an exclamation from the wife on spotting something new arrive in the post.

                  I'll have another look through the catalogues and online info before deciding. You'll all know when as i'll have a thousand questions no doubt. Thanks again.

                  #113853
                  Michael Gilligan
                  Participant
                    @michaelgilligan61133
                    Posted by Andyf on 05/03/2013 21:52:52:

                    If you buy one from Arc Euro Trade, you can pay them to do this preparatory work for you …

                    Andy

                    .

                    Andy,

                    If I understand correctly; they no longer offer this service

                    … Ketan has explained why, on other threads.

                    MichaelG.

                    #113854
                    Andyf
                    Participant
                      @andyf

                      Thanks for the correction, Michael. I've found the thread you mean. That explains why Ketan has changed the name of the documents from "Preparation Guides" to "Dismantling and Reassembly Guides".

                      Andy

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