Few questions about my “new” lathe

  1. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
    Finally got round to lifting my Lathe into place and having a good look through the stuff it came with. Good points are it’s nice and smooth across the bed- doesn’t look to be much in the way of bed wear, does get tight at the very far end, but no play in the carriage there is some back lash in the cross slide/top slide, most of it I think is down to needing a good clean.

    bad points: not a lot of tooling and when I’ve removed one of the 3 jaw Chuck jaws the spiral on the jaw is broken- inside the chuck looks perfect and no damage though- can anyone identify it? Stamped 8026 think
    That’s the number to match the jaws though? Sticker with the maker is there but ineligible!


    also came with a LK540 Pratt 4 jaw and a stack of gears 25,50,60,80x2,100,120,127.

    Is anyone running one of these on a Transwave converter? Think I’d rather go down this route than the VFD as I’d need a step up VFD and it’s the two speed motor.



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    dobbslc likes this.
  2. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
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    daleyd likes this.
  3. Seadog

    Seadog Forum Supporter

    Messages:
    6,456
    Location:
    NE London - UK
    The chuck number is a serial number. Measure (accurately) the jaw and you may be lucky enough to find someone with a spare set. I've two or three odd sets and someone else on here has, too. Make sure that the scroll inside the chuck is not damaged. If it is it's pretty much scrap. You've got 100/127 which will be useful should you need to cut metric threads.
     
    barking mat and NickMc like this.
  4. dobbslc

    dobbslc Member

    Messages:
    5,373
    Location:
    Hertfordshire UK
    Nice looking lathe, what make is it?
     
  5. imagedude Member

    Messages:
    84
    I run my 140 on a Transwave converter. I previously used VFDs but it killed two of them! I'm tempted to change to a single phase motor.
     
    NickMc likes this.
  6. Matchless

    Matchless Member

    Messages:
    1,192
    Location:
    Essex UK
    The best thing I did for my old, abused Student was to fit a new chuck, I got a TOS from CZ, reused the original backplate, turned to fit on the actual lathe, cannot get better than that!

    I do have a Transwave sitting here that I ran my mill on, nothing wrong with it, not sure about value? the extended switch would be extra!

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  7. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
    It’s a late model Harrison L5a 11” with the metric cutting screw box.

    Hope I can maybe pick up another jaw for the chuck fingers crossed I’ll measure it.


    Is that a factory modification?:laughing: let me know what you are looking for it I have been watching the bay of Evil for one.

    Am I right in thinking the tailstock is MT3? Want to get another chuck the one with it is a bit m’eh and there’s no chuck key. Also no spanner for removing the spindle nut- anyone know the size?
     
  8. Matchless

    Matchless Member

    Messages:
    1,192
    Location:
    Essex UK
    I was talking to the transwave guys at the classic motor show and told them I had modified their machine, they were not that happy until I showed them the mod.
     
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  9. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
    Mr Matchless how did you find the Transwave inverter? Good job? I guess you changed to a VFD on the Mill as it’s good for that application?
     
  10. Matchless

    Matchless Member

    Messages:
    1,192
    Location:
    Essex UK
    It came with the mill, ran with no problems until I moved the mill into my garden shed where I now have 3 phase, well I actually have 3 phase in the garage as well but the workshop is moving one piece at a time down to the shed, I have run the mill for a good few years but probably only once a week? the reason for the switch extender is that someone had tried to convert the mill to single phase and ripped out all the original wiring, when it was wired back for three phase there was no on-off switch! now fitted with a nice new set. I will take a look at the Transwave data label tomorrow,

    In my garden shed I have an old Harrison 12" and the Student roundhead will soon be joining it,
     
  11. Matchless

    Matchless Member

    Messages:
    1,192
    Location:
    Essex UK
    it is running from a 13amp plug with no issues, one thing to be aware of with larger units is the need for 16 amp or larger 240v supply and the minimum loading allowed, this one seems to be 1.3kw. I don't know if it is right for your lathe. 20200712_110522_resized.jpg 20200712_110518_resized (1).jpg
     
  12. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
    Thanks I need at least 2.2kw so not enough juice for me unfortunately :(
     
  13. Matchless

    Matchless Member

    Messages:
    1,192
    Location:
    Essex UK
    Will not eat anything sitting there, was unsure if I wanted to sell it, now I may offer it for sale if I don't use it in a year,
     
  14. NickMc Member

    Messages:
    70
    Location:
    Northern Ireland
    Doubt you’ll have it hanging around long if you do! If it was the right size for mine I would have bit your arm off :D
     
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