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PM1022V New to Me!

Discussion in 'PRECISION-MATTHEWS' started by USMCDOC, Jun 5, 2017.

  1. USMCDOC

    USMCDOC United States Active Member Active Member

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    Just picked this lathe up on Saturday.. His girlfriend had just moved out and she had the gear cover and he forgot to give me the 4 jaw chuck.. supposed to be getting that from him this week sometime.. i have been working with it since Sat.. it appears that have removed the tapper, have the backlash down to about 3K on the compound and lead screw. i will have to do something with the tailstock.. it appears that it is too high.. so i guess i will be milling the bottom a tad to get it right. 20170605_185747.jpg
     
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  2. tweinke

    tweinke United States Active User H-M Supporter-Premium

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    Nice find! Before you mill the tailstock down you may want to wait until someone here chimes in due to the how and why of tailstock setup. Seems that I remember a smidge high is better then low.
     
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  3. USMCDOC

    USMCDOC United States Active Member Active Member

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    I will do that then.. thanks for the tip bro!
     
  4. darkzero

    darkzero Global Moderator Staff Member H-M Supporter-Premium

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    How high is it? Many new lathes come withbthe TS slightly high intentionally, to account for wear over time.
     
  5. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    If not manufactured wrong, the tailstock is usually made to sit slightly higher than spindle bore so that when locking the tailstock it is brought down to match that of the spindle bore. Some 'gunsmith' advertised lathes actually have a square drive in the tailstock so that a torque wrench can be used to control/repeat the tailstock height for critical operations. Grizzly has a couple of lathes like this if I recall correctly.
     
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  6. USMCDOC

    USMCDOC United States Active Member Active Member

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    let me check..
     
  7. USMCDOC

    USMCDOC United States Active Member Active Member

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    Ok.. it looks to be about 7K above..
     
  8. USMCDOC

    USMCDOC United States Active Member Active Member

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    Ok.. took it apart.. there was some junk under there.. now when it is all tight.. there is a tad over a thou
     
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  9. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    That's better. :)

    You a jarhead?
     
  10. darkzero

    darkzero Global Moderator Staff Member H-M Supporter-Premium

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    7 thou would raise a red flag, 1 thou, perfectly normal. Continue on enjoying your new lathe!
     
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  11. USMCDOC

    USMCDOC United States Active Member Active Member

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    Partly, i was in the Navy!
     
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  12. USMCDOC

    USMCDOC United States Active Member Active Member

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    You know.. when i was setting this machine up and cleaning it.. i never even thought about taking that apart in the beginning.. lesson learned there! Really, leave no stone un-turned!
     
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  13. wrmiller

    wrmiller Chief Tinkerer H-M Supporter-Premium

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    Thank you Sir for your service. A Navy corpsman saved my life. Can't ever balance the scales after that. :)
     
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  14. USMCDOC

    USMCDOC United States Active Member Active Member

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    Semper Fi! Good on that brother that was there for you and now your able to share with us here!

     
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  15. USMCDOC

    USMCDOC United States Active Member Active Member

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    Gear retainer just broke while workin the lathe.. the gears lucky didn't slam the floor!

    20170630_152344.jpg
     
  16. tweinke

    tweinke United States Active User H-M Supporter-Premium

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    Bummer, looks like you will be giving QMT a call if you cant fix that.
     
  17. USMCDOC

    USMCDOC United States Active Member Active Member

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    Yes.. i tried to call.. no answer.. and it was during biz hours.. also emailed them too.. no response
     
  18. tweinke

    tweinke United States Active User H-M Supporter-Premium

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    I will bet you will hear back soon on the email. Being a holiday weekend might have been no one around?
     
  19. USMCDOC

    USMCDOC United States Active Member Active Member

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    Never have gotten the gear cover from the guy that i bought it from.. i don't think that i ever will.. But i am going to a match in the morning.. there is anther guy that is a hobby machinist, his room is awesome.. so i am going to see if he will make me some extras to get me back on track.. with a better steel to boot!
     
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  20. USMCDOC

    USMCDOC United States Active Member Active Member

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    Todd,

    i suspected that is the case.. but it would have been better if there had been a message saying that they were going to close early or what ever
     
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