Summary

This is Thread Indicator Dial to facilitate cutting threads on a Harrison m250 Metal Lathe fitted with metric lead screw. To enable all thread pitch options two units are required one with a 20 tooth cog and one with a 21 tooth cog. Do not print Dial.stl, 20t.stl, or 21t.stl they are not needed.

Print Settings

Printer Brand:

Creality

                                            <p class="detail-setting printer"><strong>Printer: </strong>                     <div><p>Ender 3</p></div></p>                                                                                <p class="detail-setting rafts"><strong>Rafts: </strong>                     <div><p>No</p></div></p>                                                                                <p class="detail-setting supports"><strong>Supports: </strong>                     <div><p>No</p></div></p>                                                    <strong>Filament:</strong> mixed PLA                    <br>                        <p class="detail-setting notes"><strong>Notes: </strong>                    </p><div><p>25% fill except Gear135 and Gear14 which should be 100% fill.</p></div>

How I Designed This

This was designed in OpenScad and I have included the scad files.

Thread Indicator Dial Gauge for Harrison m250 Metal Lathe