| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention relates to metal forming and can be used in metal forming machinery. In compliance with all versions of this invention, proposed version comprises upper platform and winch with its drive, pulleys and rope connected with upper platform eyes. Sheet forming in processing rig is performed in moving upper platform and by striking on flexible material layer and sand layer, or sandy gravel, or rocks. Processing rigs can represent die-lower die or die. ^ EFFECT: reduced costs, longer life. ^ 12 cl, 12 dwg |
