METHOD FOR APPLYING ANTIFRICTION COATING AT SURFACE PLASTIC DEFORMING OF INNER CYLINDRICAL SURFACES Russian patent published in 2002 - IPC

FIELD: working of high-accuracy inner cylindrical surfaces, for example in openings in butt assemblies of mounting outer wings of aircrafts, inner surfaces of hydraulic cylinders and so on. SUBSTANCE: method comprises steps of supplying technological mixture through ducts of working tool in the form of drift and distributing said mixture along surface of worked part at translation motion of drift; supplying technological mixture and simultaneously starting operation of deforming portion of drift; using as technological mixture suspension of finely dispersed powder and binder. Antifriction coating is applied due to intrusion of coating particles out of suspension at surface plastic deforming by action of temperature and force factors. EFFECT: high quality antifriction coating of surface. 1 dwg, 1 ex, 1 tbl