PROCESS FOR LUBRICATING THE SURFACE OF METAL PARTS, MADE OF COPPER OR OF IRON- OR COPPER- BASED ALLOYS, TO BE COLD OR WARM WORKED AND MEANS OF LUBRICATION IMPLEMENTED

摘要

PROCESS FOR LUBRICATING THE SURFACE OF METAL PARTS,MADE OF COPPER OR OF IRON- OR COPPER-BASED ALLOYS, TO BECOLD OR WARM WORKED AND MEANS OF LUBRICATION IMPLEMENTED.A B S T R A C TA process for lubricating the surface of metalparts, made of copper or of iron- or copper-based alloys,intended for cold or warm deformation or working opera-tions, which process comprises a conventional surfacepreparation and the application of at least one lanthanidehalide.