Re: confused?

You run two spindles, one from each side which would give a max part
width of 24 feet minus some for clearances.




--- In CAD_CAM_EDM_DRO@yahoogroups.com, "cadcamclub" <cadcamclub@y...>
wrote:

> Good day everyone,


>


> Trying to understand an article from the Techno-Isel site where they


> described configuration of a mill needed to machine a wing 105'x21'


> ____________________________________________


> http://www.techno-isel.com/Tie/Boeing_5.html


>


> In theory, wing spars and wing skins made in one continuous


> piece..... require metal measuring up to 105 feet by 21 feet. ... A


> standard CNC mill has a fixed length arm extending over a table...


> the spindle would have to hang over 12 feet from the column, losing


> precision and strength.


> ____________________________________________


> It appear to me that a spindle overhanging 12' from the column (12'


> throat) have a work envelope of only 12' in that direction? So, is


> Techno-Isel confused or is it me who is confused?


>


> A1