Torque Cars

Ball turning attachement for a lathe

Discussion in 'Tools & Garage' started by old-git, 9 December 2014.

  1. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Looking to buy a ball/radius turning attachment for my lathe.

    However, with various designs available, I was wondering if anyone out there has any experience with them, Stamford? :)
     
  2. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    We are being robbed of a lathe from the scrap metal carpet baggers. It is a Colchester Master VS3250. I don't have a ruddy clue what a ball/radius turning attachment is :oops: But I know a man that does, I shall ask him in the morning and try and send you a photo Steve to see if is suitable for your needs :)
     
  3. stamford

    stamford Pro Tuner

    Messages:
    3,800
    From:
    Hampshire
    Car:
    MG ZS200
    I've never actually used one purely because as an ex-toolmaker I would grind a turning tool up to do the job. The type of attachment will depend on the size of radius you intend to create. There is the g-clamp type that clamps into the exiting toolpost holder. The other is one that clamps to the cross-slide but there is a restriction on the diameter to be turned.
    [​IMG] upload_2014-12-10_8-9-49.jpeg
     
    old-git likes this.
  4. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Thanks. I had thought about making a cutter, especially as I mainly deal in aluminium, but that means making one for each radius.

    This one looks interesting as it can do concave as well as convex and bolts into the existing toolpost. I know I could use bull nosed end mills but a collection would be needed.

    http://www.chronos.ltd.uk/acatalog/Lathe_Ball_Turning_Attachment.html

    What do you reckon?
     
  5. stamford

    stamford Pro Tuner

    Messages:
    3,800
    From:
    Hampshire
    Car:
    MG ZS200
    The one in the link looks like it is very flexible and ideal for the job. Have to say the text in the first video is suspect, why zero the 'z' axis readout? That's the vertical plane!
     
  6. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    My apologies for not getting back to this thread sooner OG, the lathe has since gone to the scrap chap with all of the spare accessories! I hope you finally get what you are looking for :)
     
  7. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Story of my life :-( :)

    I am in no rush and will probably wait until after Xmas before splashing out.
     
  8. T9 man

    T9 man TC Pro Founder Moderator

    Messages:
    20,370
    From:
    London, UK
    Car:
    Saab 9-3SS T9
    It's a crying shame as there wasn't a damn thing wrong with it, they just did not want to keep it as the engineering workshop was being dismantled. They actually got paid to write the thing off and the scrap chap came and dismantled it free off charge :(
     
  9. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Yup, still in the throw away society.
     
  10. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Ball turning attachment arrived yesterday. Design changes mean that I don't need this tool now, but it will no doubt prove useful in the fullness of time :)

    [​IMG]
     
  11. stamford

    stamford Pro Tuner

    Messages:
    3,800
    From:
    Hampshire
    Car:
    MG ZS200
    You'll find something to use it on no doubt ;)
     
  12. old-git

    old-git Moderator

    Messages:
    9,178
    From:
    Essex
    Car:
    Elan & Robin Hood
    Absolutely. When you get a new toy you wonder how you managed without it :)
     

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