Jun 28, 2006 #1 mechvhstech Mechanical Joined Dec 29, 2005 Messages 21 How do I tap a 1.5-11.5 TPI (feed .0869")on a machine that has all metric scales? Thanks, -mechvhs ========================================= Mech Rulz
How do I tap a 1.5-11.5 TPI (feed .0869")on a machine that has all metric scales? Thanks, -mechvhs ========================================= Mech Rulz
Jun 29, 2006 #2 MikeHalloran Mechanical Joined Aug 29, 2003 Messages 14,450 Location US Tapholder with axial float? Mike Halloran Pembroke Pines, FL, USA Upvote 0 Downvote
Oct 26, 2006 #3 kagan Mechanical Joined May 5, 2005 Messages 17 Location US If you have a CNC, thread milling can be a solution. Or you can calculate the feed rate per revolution TPI/25.5 then make a syncronization among the cutting speed and feed according to that value. Upvote 0 Downvote
If you have a CNC, thread milling can be a solution. Or you can calculate the feed rate per revolution TPI/25.5 then make a syncronization among the cutting speed and feed according to that value.
Oct 27, 2006 #4 jbel Mechanical Joined Jun 9, 2003 Messages 109 Location US (1 in) / (11.5 thd) = 0.086957 in/thd (0.086957 in/thd) / (0.03937 in/mm) = 2.2087 mm/thd lead. Just use 2.2087 mm as your pitch in your tapping cycle. Upvote 0 Downvote
(1 in) / (11.5 thd) = 0.086957 in/thd (0.086957 in/thd) / (0.03937 in/mm) = 2.2087 mm/thd lead. Just use 2.2087 mm as your pitch in your tapping cycle.