change gears

  1. P

    Gear Selection Question

    I'm unclear as to the correct order for the change gears on my lathe based on the thread chart diagram that i have attached. The lathe has a 120/127 tooth transposing idler gear. If i want to cut 1.5mm pitch metric threads would the 35 tooth upper drive gear mesh with the 120 tooth idler and...
  2. S

    Just an FYI On Some Nylon Change Gears for Metric Threading on QCGB Lathes

    I'm sure this is covered in other posts, but so others don't have to go on a search I'll repeat. If I've really screwed something up, please let me know and post corrections! Standard Logan change gear: 16DP, 14.5PA, 7/16" wide, 5/8" hub with 5/32" key slot. The QCGB lathes came with a 24...
  3. N

    Mystery Lathe Help

    Hello! I am a total beginner when it comes to machining but it is something that I have an inexorable draw towards so I was keeping my eyes open for a cheap middling size lathe. I picked this one up in Canada on my way north to Alaska for 500$ it came with a plastic tote full of tooling and...
  4. jrkorman

    Atlas 9-73A Sleeve 1.1

    Non Factory drawing of the change gear sleeve. Based on measurements from my Craftsman 101.07403
  5. jrkorman

    Atlas 9-70A Bushing 1.1

    Non Factory drawing of the change gear bushing. Based on measurements from my Craftsman 101.07403
  6. Cavediver

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

    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...
  7. R

    Change gears for Metric Threading on Lathe 2017-01-20

    Explanation on what change gears to use for metric threading on lathes.
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