Members 29k15engine Posted November 27, 2021 Members Report Posted November 27, 2021 (edited) After much work these are the DXF files required to cut correctly profiled shuttle gears for the 29k15 Singer Patcher, although I have extensively tested these on my machine I take no responsibility that these fir yours, they are however ovet 6 month work and are as accurate as i can make. These can be cut with an EDM wire erosion machine from a suitable steel (Hardened tool Steel) I will provide side profile drawings for the depth to cut the shuttle gear after the EDM has cut the gear profile. thickness for pieces before being cut on EDM, surface grind to these sizes, ideal shuttle5-25mmdia.DXF Description:- pinion gear 6.68mm ideal rack.DXF Description:- rack 3.8mm ideal plate.DXF Description:-Locating plate 2.73mm thick ideal shuttle5-25mmdia.DXF ideal rack.DXF ideal plate.DXF Edited November 27, 2021 by 29k15engine Quote
Members 29k15engine Posted November 28, 2021 Author Members Report Posted November 28, 2021 Here are the files in their stl format for 3d printing, the rack extended for welding is a bit longer to ease welding onto the original or new rack rod.(also in dwx) ideal plate.STL ideal rack extended for welding.DXF ideal rack extended for welding.STL ideal rack.STL ideal shuttle5-25mmdia.STL Quote
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