Re: Minimum Number of Change Gears

mike allen

        Make a light pass with a sharp tool & then measure with a thread gauge to see what your setup for now . If your lathe is like most lathes ( we don't know what lathe you have ) there should

        be a spare gear stacked on top of a larger gear that makes no contact with any other gear . That gear is one of the gears that you will have to change depending what thread your trying to cut .

        Have you looked over on thingverse or printables dot com to see if anyone has posted the files to print these gears ?


On 8/1/2022 2:58 AM, benjithestupiddog via wrote:

Hi all,

Quick opinion question.

I'm 3D printing a set of change gears as a bit of an experiment, the cost is low but its quite a bit of time to invest

I know very little about actually using change gears so this might be a redundant question, but is there a minimum number of gears one could "get by" with assuming I only wanted UNF/UNC in 1/8" - 1/2" diameters and maybe pushing my luck with some metric, I have already done the cad for an 80/63T

Buying premade gears in my country is very expensive, prohibitively so, also making them is beyond my current ability.

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