rough projection left on a workpiece after drilling or cutting rotary file for smoothing rough edges left on a workpiece United States politician who served as Vice President under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
United States politician who served as Vice President under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836)
A subtle ridge on the edge of strip stainless steel resulting from cutting operations such as slitting, trimming, shearing, or blanking For example, as a stainless steel processor trims the sides of the sheet stainless steel parallel or cuts a sheet of stainless steel into strips, its edges will bend with the direction of the cut
A guttural pronounciation of the letter r, produced by trilling the extremity of the soft palate against the back part of the tongue; rotacism; often called the Newcastle, Northumberland, or Tweedside, burr
Raised, sharp edge inherent in cutting operations such as shearing blanking, punching and drilling
The thin edge or ridge left by a tool in cutting or shaping metal, as in turning, engraving, pressing, etc
> In printmaking, when a drypoint needle or other engraving tool is used to draw directly into a metal plate, small, fine pieces of metal are raised up on both sides of the scored line This burr holds additional ink during the printing process and gives the lines a velvety or fuzzy texture Burr is very delicate and consequently is easily worn down during the pressures of the printing process Early pulls or impressions taken from such plates are characterized by rich burr In the case of Old Master prints especially, the quantity and evidence of burr can sometimes be used as an aid in determining how early the impression was pulled