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  1. Replies
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    Merry Christmas fellas. 271795

    Merry Christmas fellas.
    271795
  2. Im trying to picture what youre doing. Youve an...

    Im trying to picture what youre doing. Youve an MT4 socket in a 4jaw, with a dead centre in that socket, then indicating an 'Edge alignment bar' between centres? If so youd probably be better off...
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    Nice approach, especially as the damage is...

    Nice approach, especially as the damage is accessible. Id guess the spindle will be pretty hard but could use a small point on a grinder in the same way. Maybe a bit much for someone with no previous...
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    Me neither, I usually tell myself then wonder...

    Me neither, I usually tell myself then wonder what all the fuss was about after its all done :o

    Cheers
    D
  5. Sounds like a great idea.

    Sounds like a great idea.
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    the signs are good. 271625

    the signs are good.
    271625
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    Asides from the damaged area the taper looks in...

    Asides from the damaged area the taper looks in pretty decent shape imo.

    The problem looks to be the raised burr around the 'dig' thats preventing the tool holder seating properly. Id lap it as...
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    Hey Dee, I made a Robin inspired lap tensioned...

    Hey Dee, I made a Robin inspired lap tensioned with a large engineers clamp to finish up a tailstock quill I turned. Diamond worked best by a long shot and spared the lap. I think i used mineral...
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    A tool holder with some diamond rolled in works...

    A tool holder with some diamond rolled in works great for that purpose. Just make sure it covers the whole of the spindle taper and clears any drive keys or draw bars etc.

    Cheers
    D
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    Dam! I wasnt expecting that :(

    Dam! I wasnt expecting that :(
  11. Replies
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    I think the first thing you could do is blue up a...

    I think the first thing you could do is blue up a decent tool holder and see how it seats in the spindle. If when you say 'jacked up' you mean theres high points near the face of the taper, you...
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    Strike one!!

    Strike one!!
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    Hard minge, without the 'm'.

    Hard minge, without the 'm'.
  14. You could mount something nice and round in your...

    You could mount something nice and round in your turret, say a dowel pin etc. Turn down a pin of equal diameter in the chuck then indicate the difference (im guessin from the tailstock in your case)....
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    Ah, at 38 I also struggled with the difference...

    Ah, at 38 I also struggled with the difference between negativity and truth based lulz :D
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    If I was gonna have a go:- i) How hard does...

    If I was gonna have a go:-

    i) How hard does this thing really need to be? Its seems the case hardening breaking down is the problem.
    ii) What material? EN24T/19T? EN8? It needs to be welded to a...
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    Some more on helical milling/grinding, all new to...

    Some more on helical milling/grinding, all new to me.


    https://www.youtube.com/watch?v=7t_SC8C_uIc&t=451s

    Core competences in the production of worm gears

    Heres a pic of a worm my buddy got...
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    You might have something there Bill. I found this...

    You might have something there Bill. I found this on screw stock to finished item, im guessing the size required wont be off shelf so depends on cost. The Induction heater, I want one! :cloud9:
    ...
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    A direct measurement of the man perhaps.

    A direct measurement of the man perhaps.
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    My buddy also mentioned it helps take the shock...

    My buddy also mentioned it helps take the shock out of the steering is you hit a pothole etc. Not sure how true that is but makes sense.

    Cheers
    D
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    https://www.practicalmachinist.com/vb/attachments/...

    https://www.practicalmachinist.com/vb/attachments/f45/270499d1574260197-who-moderator-here-now-capture.jpg
    https://media1.giphy.com/media/lT4sgCJwC7B4c/giphy.gif
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    Its from a Sunbeam Alpine...

    Its from a Sunbeam Alpine. I think the steering box was common to quite few other cars from that era tho.
    The nut sits atop the worm, a fork sits on top of that and held down by a spring. Only the...
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    Steering box worm shaft and nut help

    Looking for general ideas/info on how these parts might have been made, and possibly how they could be reproduced on manual machines.

    270493 270494 270495

    Im guessing the shaft would have been...
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    My experience with CBN is limited but I had no...

    My experience with CBN is limited but I had no issues. Its available in interrupted cut grades, have cut hard jaws like butter.
    Frank used a carbide boring bar that helped on the rigidity side of...
  25. Thread: Recession?

    by Demon73
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    27,626

    I had a friend who was a builder, back in 08 his...

    I had a friend who was a builder, back in 08 his pay was going up 100% per day.
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