A METHOD OF CREATING EFFECTIVE BRANDING OR MARKING OF COIL SURFACE OF COLD ROLLED CLOSE ANNEALED (CRCA) PRODUCTS IN COIL FORM

摘要

This invention relates to a method of creating effective branding or marking of coil surface of cold rolled close annealed (CRCA) products in coil form, which method comprises the following steps - i) grinding the roll surface, ii) texturing the roll at logo/lettering portion to provide on the inside of logo/ lettering the required roughness with the help of electro discharge texturing machine and dielectric as herein defined, iii) cleaning the entire roll above the textured portion, iv) marking the logo/lettering on the initial textured portion of the roll, v) texturing the entire roll to provide required roughness unloading and wrapping the roll, vi) cleaning unloading and wrapping the roll, vii) sending the ready roll to skin pass mill for logo/lettering marking on CRCA product.