Sep 29, 2014 · The beauty of ER Collets is that it makes full contact thru out its 1mm clamping range, at least in theory. In your case, I would use .750 ...

Mar 21, 2015 · Have 2 questions: First Question: I will be getting a 50 taper collet chuck in ER40. Apparently each ER collet has a range of 1mm.

Mar 10, 2017 · Every thousands of an inch you need to compress the collet to grip a smaller size shank the less grip and higher the runout will be. If you use ...

Mar 21, 2015 · The identical problem occurs with a, say, 9.5 mm shaft in a 10 mm ER collet. Yes, the clamping range is supposed to be 1 mm so it "should" work, ...

Mar 5, 2008 · IME, not only does clamping power decrease when your tool is at the low end of the collet's range, but concentricity gets worse as well.

Jul 20, 2013 · The size range will work well for most jobs. Unless you are doing small fine details where the size of the collet nut and tool holder get in the ...

Apr 9, 2014 · we recommend no more than +/-.002" to +/-.003" size difference for an optimum setup - going to far under size will cause the material to ...

Sep 12, 2017 · ER system have a WIDE clamping range. A full mm, with both half-mm size and even tighter "limited collapse" collets meant for always working ...

Jun 28, 2017 · It's ER. Unless you have an HP chuck to put them in you may as well not expect <.0005" long term. If you need long term repeatability, ...

Mar 11, 2012 · What's the range of the 3/4" collet? I did a little research and you're right, the 3/8" I was looking at had a range of .336-.375, which would ...