| 摘要 |
plastic metal working, namely, manufacture of bottom aluminium-alloy facings operating under pressure. SUBSTANCE: method comprises steps of drawing sheet blank, compressing it, scragging in compressed state and subjecting to heat treatment; before finish drawing applying on blank dimensional grate; at process of finish drawing providing on flange of blank additional conditions for braking and controlling deformation value. EFFECT: improved mechanical properties of material, increased dimensional accuracy of part. 5 dwg, 1 tbl
|
