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9" SB head stock spindle needed

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  • 9" SB head stock spindle needed

    i have a 9" SB lathe SN #46139A cat#480A 4' bed. the headstock spindle needs replaced. the lathe bed is wider than the newer machines. i would like any info on year and where i could find this shaft. any info would be great. thanks ken

  • #2
    How about here?

    http://cgi.ebay.com/South-Bend-9-Lat...item53e6fa88bc

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    • #3
      That looks about as good as you will find. There certainly isn't any new old stock kicking around. The main question is the spindle bore. If the spindle is shot the cast iron bore is probably worse. That means line boring it and relining it with bronze bushings and probably changing the oil system to overhead cups.
      Free software for calculating bolt circles and similar: Click Here

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      • #4
        On further examination, based on the serial number it is likely that what you have is a South Bend Junior model A made around 1929 or 1930. The above spindle may not fit. You need to measure it precisely and contact the seller to find out if the dimensions are the same.

        This is the 9" Junior from that time period. Is this your Lathe?

        Free software for calculating bolt circles and similar: Click Here

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        • #5
          Originally posted by Evan
          On further examination, based on the serial number it is likely that what you have is a South Bend Junior model A made around 1929 or 1930. The above spindle may not fit. You need to measure it precisely and contact the seller to find out if the dimensions are the same.

          This is the 9" Junior from that time period. Is this your Lathe?

          it looks rite but how can i be sure. the neibor kid was working on a project yesterday and got into the spindle and shortend it. i should have checked it sooner but didnt.

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          • #6
            My first piece of advice is to not let the neighbour kid use the lathe. I did some more checking and the spindle for the later South Bend 9 inch lathes will not fit since the tumble reverse gears are of a different pitch. It will be very difficult to find a spindle to replace yours. The only other option is to have one made.

            That is a very collectible lathe and in good condition would be worth a lot of money. In 1929 it sold for $190 which adjusted for inflation is nearly $3000 today.
            Free software for calculating bolt circles and similar: Click Here

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            • #7
              A great source for old SB stuff is Ted Pflugner - latheman1 at att dot net

              Also check out www.plazamachinery.com, the last time I checked his PDF, I think I remember seeing a spindle or two. Joe gets to things when he gets to them, so don't expect a response from him in an hour

              Andy
              Last edited by murph64; 04-17-2011, 01:04 PM.

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              • #8
                i have a 9" SB lathe SN #46139A cat#480A 4' bed. the headstock spindle needs replaced. the lathe bed is wider than the newer machines. i would like any info on year and where i could find this shaft. any info would be great. thanks ken
                Ken, I think Evan is right about the age. I have one of those wide-bed 9" SBs from the '30s. Nothing, or almost nothing, is interchangeable between it and the later SBs.

                Mine needs a new spindle, too. I figure the only way I'll get one is to make it. If you go that route you'll need to use stressproof material.

                Orrin
                So many projects. So little time.

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                • #9
                  Ok, pics of the 'broken' spindle are needed. Outside of melting it there is a real good chance the folks around here can come up with a fix. Show us a pic of the machine with spindle in it and lets go from there.

                  Shortened it how? Can it be sleeved, welded, added to in some way to make it work again? Otherwise the hunt for the part, of even buying an entire machine to get the part, could take a long time.
                  James Kilroy

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                  • #10
                    The "good news" if there is any, would be that unless the spindle is seized or frozen in the bearings, it is still part of a "lathe", which is a device well-adapted to making 'spindles", and probably can be used to fix itself
                    1601

                    Keep eye on ball.
                    Hashim Khan

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                    • #11
                      Originally posted by jkilroy
                      Ok, pics of the 'broken' spindle are needed. Outside of melting it there is a real good chance the folks around here can come up with a fix. Show us a pic of the machine with spindle in it and lets go from there.

                      Shortened it how? Can it be sleeved, welded, added to in some way to make it work again? Otherwise the hunt for the part, of even buying an entire machine to get the part, could take a long time.
                      I have pictures but have no idea how to get them loaded, can someone PLEASE HELP!!! thanks, ken's wife
                      Last edited by melvin1218; 04-25-2011, 09:28 PM.

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                      • #12
                        On Evan's picture (post #4) what is that crankshaft looking apparatus shown underneath between the legs? ...is that some sort of tracing device?
                        Lynn (Huntsville, AL)

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                        • #13
                          Originally posted by lynnl
                          On Evan's picture (post #4) what is that crankshaft looking apparatus shown underneath between the legs? ...is that some sort of tracing device?
                          That's the back drive for the spindle. Driven by an overhead shaft. The two plain pulleys would have been driven by two different diameter pulleys on the line shaft and the clutches would let you engage them for the speed you wanted.
                          Gene

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                          • #14
                            Originally posted by melvin1218
                            I have pictures but have no idea how to get them loaded, can someone PLEASE HELP!!! thanks, ken's wife
                            jkilroy could you email at my home e-mail [email protected] so I can attach the photos you are requesting.
                            Thanks, Melody
                            Last edited by melvin1218; 04-25-2011, 10:52 PM.

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                            • #15
                              Originally posted by jkilroy
                              Ok, pics of the 'broken' spindle are needed. Outside of melting it there is a real good chance the folks around here can come up with a fix. Show us a pic of the machine with spindle in it and lets go from there.

                              Shortened it how? Can it be sleeved, welded, added to in some way to make it work again? Otherwise the hunt for the part, of even buying an entire machine to get the part, could take a long time.

                              James could you email at my home e-mail [email protected] so I can attach the photos you are requesting.
                              Thanks, Melody

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