Turning Archive

Subject:
pens out of round (HELP)

Ken Ward
OK I just started turning pens this year nand all was going great,untill recently and they started coming out egg shaped.I got new mandrels,but it is running about 5 thousands off,same as the old ones.I checked the lathe and the live center and they are true.Could it be the mandrel chuck its self ?? I gotta get this runout thing straightened out.Any ideas.

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