发明授权
US3747393A Drop forging press 失效
DROP锻造压力

Drop forging press
摘要:
A drop forging press has a fixed table support and a press frame comprising four columns, eight crosspieces and a plurality of tie members, the columns being of hollow polygonal cross-section, each column and being connected at its top and at its bottom to both adjacent columns by said crosspieces, the crosspieces being arranged, both at the top and at the bottom of the press frame in a rectangular configuration as seen in plan, two of said crosspieces overlapping at each end of each column, the tie members passing through each pair of overlapping crosspieces into the respective end of the respective column to secure the crosspieces to the column. Wedges may be interposed in the frame firmly to brace it. The table support may be supported by a bending support via a piston and cylinder unit. The press frame may be capable of moving up and down.
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