| 摘要 |
FIELD: manufacture of vulcanite-binder abrasive wheels. SUBSTANCE: die set includes porous gasket arranged on upper plane of knocking out member of blank. Said porous gasket is impregnated with lubricating liquid and it is joined through pressure ring with elastic parts of knocking out member. EFFECT: enhanced quality of blanks, improved commercial appearance of blanks. 1 dwg |
