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Change gears for a newbie on a 7x10 HF lathe, metal or plastic?

Discussion in 'MINI-LATHE & MINI-MILL INFORMATION' started by Cavediver, Apr 3, 2017.

  1. Cavediver

    Cavediver United States Active Member Active Member

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    The time has finally come to start messing around with threading. I have a used lathe that arrived without the change gears, so I need to buy some.

    Should I buy metal change gears or plastic gears?

    I would buy the plastic, but LMS is out of stock on the full set. I'm a little concerned about using metal since the plastic gears should provide a failure point if / when I crash the carriage.


    If plastic is the way to go, does anyone have a US source other than LMS? I'd like to buy from them, but their estimated availability date for the full set is unknown :(
     
  2. DAT510

    DAT510 United States H-M Supporter - Premium Content H-M Supporter-Premium

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  3. Doubleeboy

    Doubleeboy Active User Active Member

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    Have you tried harbor freight for the gears?
     
  4. Cavediver

    Cavediver United States Active Member Active Member

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    I asked at the store; they told me it'd take 4-6 weeks.

    Brilliant! Thank you for that suggestion. It looks like those parts are in stock and can ship out this week.
     
  5. old toolmaker

    old toolmaker United States Active Member Active Member

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    Concerning your choice of plastic vs metal I would strongly recommend the plastic gears. Plastic gears run quieter. Plastic gears need no lubrication which is a plus as lubrication such as oil or grease attracts and holds chips and dirt (this is an important point. Well adjusted plastic gears will last indefinitely I have not had any issues with them in over 6 years of frequent use.

    Dick
     

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