FIELD: plastic metal working, namely apparatuses for flanging openings in sheet blanks, possibly in aircraft making, ship building and allied industry branches. SUBSTANCE: apparatus includes die, punch with inner cavity filled with working fluid whose lower part is in the form of elastic pellets and upper part - in the form of elastic rod supporting press slide. EFFECT: simplified design, lowered cost price of apparatus having no expensive high-pressure hydraulic systems. 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| APPARATUS FOR MAKING HOLLOW ARTICLES | 1998 |
|
RU2155113C2 |
| DIE SET FOR FORMING TUBULAR BLANKS | 1999 |
|
RU2176169C2 |
| METHOD FOR FLANGING OPENINGS IN SHEET BLANK | 1998 |
|
RU2153405C2 |
| WORKING MEDIUM FOR TRAMSMITTING EFFORTS AT EXPANDING TUBE | 2000 |
|
RU2205086C2 |
| DIE SET FOR SHAPING TUBULAR BLANKS | 1996 |
|
RU2094155C1 |
| METHOD FOR DRAWING ARTICLES OF SHEET MATERIALS | 1998 |
|
RU2146981C1 |
| METHOD OF MAKING FITTING-OUT FOR HOT FORMING OF SHEET BLANKS | 1993 |
|
RU2101124C1 |
| APPARATUS FOR MAKING T-PIECES FROM TUBULAR BLANK | 1997 |
|
RU2122478C1 |
| METHOD FOR DRAWING PARTS OF SHEET BLANKS | 1998 |
|
RU2148460C1 |
| OPENING FLANGING METHOD | 1993 |
|
RU2105626C1 |
