Here is the insert centered to the live center.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #91 Here is the insert centered to the live center.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #92 This insert will not allow me to thread all the way to the end with this live center.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #93 Here is my parting blade set to the right height. I am making .040" grooves in the workpiece.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #94 A groove just wide enough to do the job.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #95 This is the first time that I have ever used a fishtail with an insert tool:
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #96 After cutting a groove in the headstock end, this is my setup for that end:
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #97 This was the right RPM choice for threading, I'll tell ya. Easy money.
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #98 Touch off and set zero on the cross slide (I have a DRO).
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #99 After 2 or 3 passes:. Last edited: Feb 18, 2020
erikmannie H-M Supporter - Sustaining Member H-M Platinum Supporter Joined Sep 8, 2019 Messages 4,392 Feb 18, 2020 #100 I use a lot of dark thread cutting oil ($20/gallon on Amazon!).