ER40 to 9x20 lathe spindle nut spanner
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I designed this in F360 so I could use my ER40 spanner wrench to remove/tighten the spindle nut on a 9x20 lathe.
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Model information
- Source
- Printables
- Category
- Mechanical Parts
- License
- Creative Commons — Attribution — Noncommercial
I did not have the correct spanner wrench for removing/tightening the spindle nut on my 9x20 lathe but I do have an ER40 wrench I use with collets on the lathe. This model is an adapter to use the ER40 wrench on the spindle nut.
The original intent was to mill this adapter out of aluminum, but I thought it was worth an attempt in Polymaker Fiberon PETG-rCF08. Removing the nut required a lot of torque, but the print held up and removed the nut! If the print doesn't hold up long term, I will either reprint or mill out the proven design.
I included the F360 files in case anyone wants to adapt this to a different spanner. The spindle nut is 40mm OD, I don't think an ER32 wrench is big enough for an adapter.