Sieg C3 Lather motor

Sieg C3 Lather motor

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  • #195115
    Mark Lawson 1
    Participant
      @marklawson1

      Sieg C3 Lather motor

      I have a problem with the motor on my sieg C3 late which I believe requires replacement I have tried ArcEuro and they are out of stock the motor is a 350w Brushed DC motor type95D-1-600rpm anyone know where I may be able to obtain one

      #23959
      Mark Lawson 1
      Participant
        @marklawson1

        Motor replacement

        #195117
        Neil Wyatt
        Moderator
          @neilwyatt

          Hi Mark,

          Amadeal, Chester, Warco, Machine Mart and (I think) Axminster sell mini-lathes with brushed motors but check the mounting arrangements and power rating.

          Neil

          #195292
          Mark Lawson 1
          Participant
            @marklawson1

            Thanks for the information Neil I will have a look at what they have to offer

            #195303
            John Shepherd
            Participant
              @johnshepherd38883

              Mark

              Are you sure you need a replacement motor?

              For example, are the brushes worn and are you sure the supply is getting to the motor OK?

              You may save a lot of money if it is not the motor. I am sure help is at hand on this forum to carry out some checks if you need it. However, if you do need a replacement Neil's advice is good.

              Regards

              John

              #195312
              Mark Lawson 1
              Participant
                @marklawson1

                John, I have a new set of brushes as yet not fitted the original are about 20-25% shorter than the new ones my initial thoughts was worn brushes and it still may be but I like to be prepared for the worst

                #195319
                Ketan Swali
                Participant
                  @ketanswali79440
                  Posted by Neil Wyatt on 27/06/2015 12:32:50:

                  Hi Mark,

                  Amadeal, Chester, Warco, Machine Mart and (I think) Axminster sell mini-lathes with brushed motors but check the mounting arrangements and power rating.

                  Neil

                  From the above list, Chester is the only one who might have them – for their Conquest Lathe Super. I know that their PR says 400w, etc.etc., but it is the 350w brushed motor. Their Conquest Lathe Super is a SIEG C3 (not a SIEG Super C3).

                  ARCs stock of this motor spare expected back by end of this month.

                  Ketan at ARC.

                  Edited By Ketan Swali on 29/06/2015 11:02:25

                  #195344
                  Mark Lawson 1
                  Participant
                    @marklawson1

                    Thanks for the information Keten, initially I had noticed that the chuck had a notchy feeling which was becoming worse until the motor started what I would describe in mechanical terms as misfiring I don’t know the electrical term, my first thought were knackered bearings and brushes these were replaced least ways I bought some several months ago but haven’t had the time to look at the lathe, I have now striped and rebuilt the lathe and it would appear that the brushes use about 20-25% before they lose contact and the motor starts misfiring once the drive belt was removed I tested the chuck bearings and all seemed fine the notchy feeling was coming from the motor not the chuck so as I had the bearings (ArcEuro 7206B-2RS Spindle Angular Contact Bearings) I replaced them as well as the brushes also a liberal application of nice grease as opposed to the sticky mess Sieg use reassembled everything and it works a treat once again and the notchy feeling has gone from the motor on the plus side the motor has gone from spinning at 3000rpm to 3400rpm, the increased performance I can only put down to better quality bearings and better grease, so now I can start on my 1/6 scale Panther tank :O)

                    #195367
                    Neil Wyatt
                    Moderator
                      @neilwyatt

                      I have an X2 which has a similar motor. With the power off there is a very definite 'cogging' feel to the motor – not eth bearings, it's the interaction between bearings and magnets.

                      Neil

                      #195371
                      Ketan Swali
                      Participant
                        @ketanswali79440
                        Posted by Neil Wyatt on 29/06/2015 19:21:20:

                        I have an X2 which has a similar motor. With the power off there is a very definite 'cogging' feel to the motor – not eth bearings, it's the interaction between bearings and magnets.

                        Neil

                        It's the same motor (provided it is specifically a SIEG X2 mill), with a slightly different mounting and a paint job.

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