The Firing Line Forums - View Single Post - Best single stage press for concentricity?

daboone · January 28, 2017, 08:20 AM

You probably know this but how do you measure runout? One thing to remember is actual runout is half of what the gage says as it swing from the "zero" from positive to negative. This is called total indicated runout [TIR]. That is if the total TIR from positive to negative is 4 then the cartridge's runout is 2.

January 28, 2017, 08:20 AM	#3
daboone Senior Member Join Date: August 23, 2011 Location: Phoenix AZ, Kealakekua HI Posts: 100	You probably know this but how do you measure runout? One thing to remember is actual runout is half of what the gage says as it swing from the "zero" from positive to negative. This is called total indicated runout [TIR]. That is if the total TIR from positive to negative is 4 then the cartridge's runout is 2.