In reference to cnc drilling cycle time frame 8 minutes 02 seconds and beyond the drill chuck is not concentric causing the drill to act more like a boring bar than a drill. I recommend a small precision chuck may solve the problem.
Sometimes with long use the chip will get caught underneath one of the jaws of the chuck as a result will push the drill bit off center line of the chuck all you may need is a thorough cleaning of the chuck or maybe even disassembly to make sure it's clean. If this does not do the trick rip a piece of paper 1/4 inch wide by 4 inches long fold a piece of paper in half so that it is only 1/8 of an inch wide wrap it around the drill bit then position the drill bit so that the piece of paper catches the very end of the drill chuck jaws. Tighten the drill chuck at all three stations until each station is snug then check for concentricity this should fix your problem PS let me know if this works for you
Nice video Sir, well done.
In reference to cnc drilling cycle time frame 8 minutes 02 seconds and beyond the drill chuck is not concentric causing the drill to act more like a boring bar than a drill. I recommend a small precision chuck may solve the problem.
That’s why I use an undersized bit.
Sometimes with long use the chip will get caught underneath one of the jaws of the chuck as a result will push the drill bit off center line of the chuck all you may need is a thorough cleaning of the chuck or maybe even disassembly to make sure it's clean. If this does not do the trick rip a piece of paper 1/4 inch wide by 4 inches long fold a piece of paper in half so that it is only 1/8 of an inch wide wrap it around the drill bit then position the drill bit so that the piece of paper catches the very end of the drill chuck jaws. Tighten the drill chuck at all three stations until each station is snug then check for concentricity this should fix your problem
PS
let me know if this works for you