METHOD FOR APPLYING COATING AND PLASTICALLY DEFORMING BY DRAWING SHAPE-VARIABLE METALLIC ROD MATERIAL AND APPARATUS FOR PERFORMING THE SAME Russian patent published in 2003 - IPC

FIELD: processes and devices for applying lubricant onto plastically deformed metallic rods subjected to shaping by drawing while using lubricants whose consistency changes from solid to liquid state. SUBSTANCE: method comprises steps of applying lubricant onto plastically deformed material in two-chamber system having low-pressure chamber containing lubricant and high-pressure chamber containing lubricant and adjacent to low-pressure chamber; subjecting material to deforming while passing it through working draw plate placed at outlet of each chamber; filling low- pressure chamber with lubricant (whose consistency changes from solid to paste state) fed from system for supplying lubricant and acting upon lubricant with low pressure; creating in high-pressure chamber (due to supplying into it plastically deformed material coated with lubricant) high pressure of lubricant and setting such combination of pressure and temperature of lubricant that to change consistency of lubricant in said chamber from solid to liquid state. EFFECT: enhanced efficiency of plastic deforming, reduced cost of equipment, elimination of problems related with sealing for keeping lubricant inside apparatus, improved technological parameters of processes for deforming and applying lubricant depending upon deformed material, possibility for continuous supply of lubricant and for using grease in liquid state. 10 cl, 1 dwg