I have a Takisawa 1000D lathe and am attempting to cut a 16 TPI thread - I have the proper gears assembled in the gear train as shown on the info plate and the levers for threading in the appropriate position but cant seem able to cut 16 TPI
The thread chasing dial shows 24,21,20 and 18 and the appropriate alphabetical position to engage the dial - I cant understand why I cant engage anywhere as the sprocket engaging the leadscrew (24T) engages the fixed TPI leadscrew - does the fact that the chasing dial has only the numbers above mean I can only engage 24,21, 20 or 18 TPI? I am sure I haven't had this problem before so maybe I'm missing something?


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