I wanted to hold some thin stock in a longworth chuck so came up with this.
It is an eccentric clamp with an O ring at the centre, the clamp can be rotated to grip the work then locked with a butterfly nut.
Customisable with whatever nuts, bolts and Orings you have knocking about.
chuck_jawOring27-3-4.stl | 565.6KB | |
knurled_nut_holder.stl | 57.6KB | |
longworth_chuck_jaw.scad | 1.6KB |