| 摘要 |
FIELD: plastic working of metal. ^ SUBSTANCE: method of deep drawing-shaping on punch of box-type parts comprises steps of making flanged blank; then shaping blank at reserving formed material in annular grooves on flange of blank; stretching formed material onto punch; additionally reserving formed material in central part of blank in recess of said part; drawing material from reservation zones at braking it. Invention provides increased depth of drawn box type parts by 1.5 -2 times. ^ EFFECT: increased depth of drawn parts. ^ 2 cl, 2 dwg |
