The ability to tilt the side rolls and the central roll makes it possible to respectively set the cone angle and drag the sheet at its largest development. 4HEL series CNC bending rolls designed and built by Faccin are the best solution to bend plates of length between 1500 and 18000 mm with thickness 5 to 150 mm. This field is required.
A setting burr has a pointed tip and straight sides. It is used to drill down to create a 'seat' for a facetted stone to sit, and its pointed shape creates the perfect housing for the pointed pavilion or underside of a stone. When choosing the burr size, go for the exact size of the stone you are using or slightly smaller to create a tight fit.