FIELD: metal pressure forming. SUBSTANCE: unit has a container, connectable along two horizontal planes. A lower connection plane of the container coincides with a supporting plane of the die cushion plate 6, and its upper plane coincides with a zone of arrangement of step of the container opening. Upon loading process a mean portion of the container is being resiliently moved to radial direction by action of inner stresses. The upper and lower portions of the container are remained stationary as they are not subjected to radial efforts. EFFECT: enhanced reliability and strength of the unit. 1 cl, 1 dwg
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