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  • #474771
    Graham Nunn
    Participant
      @grahamnunn86979

      Hi everyone,

      I’d like to introduce myself. I’m from the “dark side”. A woodworker, wanting to start up in clockmaking and model engineering. I know very little about the subject but have followed a number of feeds on this site and I thought I should join to get more specific advice. I hope you will forgive my ignorance and bear with me whilst I get up to speed.

      My priority at the moment is getting the right lathe. I’ve researched micro lathes, Cowells, Sherline and Peatol. I like the Cowells 90ME and CW. The latter seems a lathe well suited to making small clocks but, perhaps not as appropriate for model making, so I would probably go for an ME, which may not be optimised for clockmaking but would give me flexibility. I am concerned that I may not be able to make the larger wheels on a Cowells e.g. that on the sort of clock featured in the Clickspring series of videos “How To Make A Clock In The Home Machine Shop”. I’m due to look at a used Cowells 90CW this week which has loads of accessories and the asking price of £2,250. It’s in good condition except for some marks on the bed which may or may not be a problem. I would welcome any comments on this lathe and micro lathes generally.

      My other option is to buy something like a Warco WM250V with all the bells and whistles. It’s a bit large for my work area but looks like a goos machine for the price £2,500 delivered. My only concern about the Warco is it’s level of accuracy for making small clock parts. This is the essence on y dilemma, Do I buy a Cowells that may not be big enough to make the larger items in clockmaking or, but a Warco that may be too big and sloppy to make small gears and pinions. I appreciate that the obvious solution would be to buy both.

      The Cowells is perfect in many ways, it’s small and manageable and has all the clockmaking accessories that I need. The accessories alone have a catalogue value of £2,700. The Warco is big, very heavy and just the starting point for expenditure.

      Finally, I wonder if anyone could provide a list of accessories for clockmaking on a lathe. Do I need a milling attachment, indexers, dividing machines, I’m a bit confused and my clockmaking book doesn’t arrive until next week!

      Any help will be much appreciated.

      Graham

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      #10255
      Graham Nunn
      Participant
        @grahamnunn86979

        Selecting a lathe for clockmaking and model making

        #474832
        Steve Crow
        Participant
          @stevecrow46066

          I am a very happy Sherline user. The system is so versatile. For about £2,500 you can get a lathe and mill with a huge amount of accessories including a CNC rotary table like Clickspring uses for indexing.

          I've just got the horizontal conversion kit for the mill. This enables you to turn the milling column 90 degrees in 3 different positions. This should give the potential to make wheels of much bigger sizes than anything a Cowells is capable of.

          Everything I have got from Sherline has been well designed, well made and well finished. The documentation is superb as well.

          Also, the service from Kevin of Millhill supplies (the UK importer) has been excellent. I have no connection with any of these, just a satisfied customer.

          Cheers, Steve

          #474844
          Bizibilder
          Participant
            @bizibilder

            Something like a Mini-lathe is more than big enough for 99% of all clockmaking. This has a swing (diameter) of 180mm or 7". Apart from the occasional longcase dial there is very little you could not make on it for a clock – and you could make a longcase dial with a bit of a wrangle.

            A lathe like the 250 series would certainly get around that issue (swing of 250mm or 10" diameter) and should cover just about everything you may need. Don't forget that you can make small parts on a big lathe but cannot make big parts on a small one!

            As to accuracy – all the model engineering lathes you can buy today are easily sufficiently "accurate" for clockmaking, No lathe from a reputable dealer will be "big and sloppy"! In fact the only part of a clock that really has to be accurate is the dividing of the wheels in order to cut the teeth – almost all of the rest of it is "hand fitting" where you make each part fit with the others.

            Apart from clock parts it is likely you will eventually want to make a few "fixtures and fittings" to help you and for those the larger lathe will have advantages – you can fit them on it to machine them!

            As for new or second hand? If you buy second hand you really have no idea what you are getting unless you are ably to see and rigorously test any machine. If the one you are interested in has "marks on the bed" walk away from it! It is likely to be damaged and may or may not be useable. Over £2000 is a lot to pay for potential scrap metal! When buying new you get a machine that no one else has used, is built to a specification and comes with a guarantee against faults and problems from a dealer who has built up a reputation over many years.

            For what its worth I currently use a Myford Super 7 for my clockmaking but am seriously considering swapping for a new Warco 250/280 or GH600 sized machine.

            Edited By Bizibilder on 25/05/2020 16:49:41

            #474852
            Roger Woollett
            Participant
              @rogerwoollett53105

              I have a Cowells 90ME and would not be without it. I have turned aluminium discs 120mm diameter using the faceplate and the gap bed. This is about as big as it will take. They are expensive but very accurate and capable of very good work. The back gear allows low speeds with plenty of torque – particularly useful if using a slitting saw with the wokpiece on the vertical slide.

              I am also lucky enough to have their milling machine which is also very accurate and extremely rigid for such a small machine.

              #474857
              Brian H
              Participant
                @brianh50089

                Hello Graham and welcome. As you will have already found, people on here are only too willing to help. Good luck with your search.

                Brian

                #474890
                Graham Nunn
                Participant
                  @grahamnunn86979

                  Thanks to everyone who has responded to my post. Interesting to note Steve's comments on the Sherline. I will certainly reconsider this as an option, especially in the light of Bizibiler's point about the bed on the Cowells 90CW.

                  Since posting, I have found the Ian T Cobb site which sells a book on the John Wilding clock that I would like to make. This may give me information on the size of the great wheel which I will need to make. It also appears that, as a last resort, I can buy the wheel from them for £95.

                  Any comments on the most desirable accessories for a clockmaker lathe?

                  #475058
                  Graham Nunn
                  Participant
                    @grahamnunn86979

                    I've decided to go for a Sherline. If nothing else, it will allow me to learn about clockmaking and model engineering within a reasonable budget. Steve, would you be able to help me specify the new machine? I think I will go for the 4400 because it has a 17" bed. I would want a milling facility and indexing facility. My initial budget would be £3k. I'm not into CNC but would want to machine threads. Any help would be much appreciated.

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