BIG-PLUS is a dual contact spindle system where the shank contacts the spindle taper and the spindle face simultaneously, resulting in increased tool rigidity.

Short, sturdy holders and axial cutting forces enhance stability and performance, highlighting the importance of tool selection in challenging operations. The ...

Jun 10, 2011 · I like the idea but was wondering what machine companies can handle Big-plus type of holder. I've looked all over and cannot find an ...

Oct 2, 2018 · It is my understanding that all Big Plus means is that the tool holder makes contact with the spindle not only at the taper but also at the ...

Nov 6, 2019 · So I have heard. I have some Big Plus holders but nothing with a Big Plus spindle. I've often though about removing the drive keys and ...

Feb 20, 2013 · We recently ordered an Okuma MU500VA 5 axis mill, with a 20k Big Plus double contact spindle. What is the general consensus with Big Plus ...

Arc welding on taper and taper face due to improper fitting tool. Customer was not using a BIG Daishowa tool holder. For some firsthand insight on this topic, I ...