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Hardinge MD5 spindle runout

NCarolinasailor

Plastic
Joined
Oct 28, 2019
I am just getting this running and attempting to mill a 5/16 slot along 2.5” of 1018 with HSS cutters. Currently with essentially no depth of cut. There seems to be 3 thou runout so I think that is causing every attempt to end in the cutter crashing into the side of the work piece as one tooth clearly tries to take a heavier bite. Anyone know anything about these old machines without roller bearings (not sure if it is the same as the first TM/UMs.
 
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