SPIRAL WOUND ABRASIVE BELT AND METHOD

摘要

A spiral wound abrasive belt (215) is formed from an abrasive media (210) including a plurality of webs. The webs of the abrasive media may include coated abrasives joined by splicing media or other suitable joining material . Alternatively, the webs may include individual single or multiple layers tha t form a coated abrasive simultaneously along with the spiral belt (215) witho ut the use of additional joining material. A method of forming the spiral belt (215) includes draping the abrasive media over a fixed hub (220) at an angle to form the spiral belt (215) while abutting the edges of the outermost web and overlapping the outermost web and adjacent web or webs. Heat and pressur e may be applied to the joined edges to form a strong bond along the spiral seam. Another method includes introducing the webs forming the abrasive medi a at an angle and draping the webs over a fixed hub (220). The abrasive media may then be passed around an adjustable hub that provides tension in the spiral belt (215) while allowing for different circumferentially sized belts . Continuous feeding of the input abrasive media or webs will result in a spir al belt (215) of ever increasing width that may subsequently be slit to a desir ed width.