| 摘要 |
<p>The combination tool set comprising plates in order to cause the relative displacement of a punch in relation to a die and a blank- holder maintaining a blank against the edge of the die during the relative displacement of the punch and the die, characterised in that the die (5) comprises a working portion (16) made of metal which engages with a working portion (26) of the punch (8) also made of metal and with a working portion (34) of the blank-holder (6) also made of metal, one at least of the working portions (16, 26, 34) being supported by a body made of plasticised concrete (12, 12a, 12b) contained in a vessel or case (10, 28, 33) connected to a soleplate carried by the press. <IMAGE></p> |
