On Wed, 3 Oct 2018 at 06:49, Roland Jollivet <roland.jolli...@gmail.com> wrote:
> If only the speed was a lot higher, it would be an awesome spindle motor > for rigid tapping. How much did you pay for it? What do you imagine would happen if you ran it faster? You could always gear it up. Maybe have a 1:1 ratio for tapping and a speed-up for normal milling. Either one toothed belt and two sets of (carefully chosen) pulleys or two permanently-engaged toothed belts with a peg to engage the high-speed ratio and an over-running clutch on the low-speed one: This one can do 85Nm: https://simplybearings.co.uk/shop/p152524/CSK25PP-25mm-Sprag-Clutch-One-Way-Bearing-with-Internal-&-External-Keyways-25x52x15mm/product_info.html -- atp "A motorcycle is a bicycle with a pandemonium attachment and is designed for the especial use of mechanical geniuses, daredevils and lunatics." — George Fitch, Atlanta Constitution Newspaper, 1916 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
