GUIDE ROLLER FOR WIRE SAW, WIRE SAW WITH GUIDE ROLLER, METHOD FOR PRODUCTION OF GUIDE ROLLER, AND REGENERATION METHOD FOR OUTER COVERING LAYER

摘要

PROBLEM TO BE SOLVED: To prevent a resin layer composing the outer peripheral part from peeling out of a guide roller to be reused.SOLUTION: A guide roller for a wire saw comprises a cylindrical roller body (23), a resinous adhesive auxiliary layer (25) integrally molded in such a state as adhered to the outer peripheral face of the roller body (23), and a resinous outer covering layer (26) integrally molded in such a state as adhered to the outer peripheral face of the adhesive auxiliary layer (25). The adhesive auxiliary layer (25) has an adhesiveness to the outer covering layer (26) higher than that to the roller body (23), and has a heat resistance such that the adhesiveness to the roller body (23) is not damaged at the temperature during molding of the outer covering layer (26).SELECTED DRAWING: Figure 4