Mr-1 tips & tricks & mods

[JonM]

FYI, MR-1 spindles have non-standard collet threads.
Explained here.

MR1 ER20 collet nut issue(Solved)

Use of aftermarket ER20 collet nuts. My machine seems to be a different spindle thread than the 25mm 1.5mm standard. The OEM nut fits perfectly and seems to be 24mm x 1.5. Anyway it’s a full 1 MM smaller than the standard. [20230621_070454] [20230621_070447] [b19024e800e852043d48cc4735e6261adb1b889e] It may be just my machine but, I certainly don’t want anyone to get hurt or damage their spindle threads. I did not see this problem till it was brought to my attention by AlexW. You would nev…

I’m not sure if it’s been confirmed that are planning on staying with this unique thread size on all future machines.

I like the fixture storage tray, thanks for sharing.