Re: Thread dial for SB 9

Gregg Eshelman

On 11/2/2014 8:13 AM, Terry McCreary [SOUTHBENDLATHE] wrote:

Hello all,
Not a criticism, just wondering.... I wonder whether a 3-D printer
might be able to make a useful gear for a thread dial. Such a gear could
have curved teeth, a near-perfect tooth profile, etc., and easily could
be replaced when worn.

3-D printing uses plastic, mostly, and some really neat things can be
made. And you need some kind of software. And now you all know as much
as I do about 3D printing. :-)
It should work. Atlas and Craftsman lathe owners have printed plastic replacements for the die cast gears.

Best results on those have been with nylon filament (some varieties of string trimmer line work very well) with 100% infill so they're solid.

To save on plastic, most FDM 3D print jobs are made with a thin solid shell and a honeycombed interior. For load bearing parts you need to use 100% infill.

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