| 摘要 |
A high speed pneumatic press is provided with an arrangement which reduces moving mass thereby reducing the tendency of the press to vibrate and "walk" during operation and also minimizing wear on the press. The press includes a fluid actuated ram having a ram cylinder and ram piston, the ram cylinder being lower in mass than the ram piston and connected to a reciprocating platen thereby reducing the moving mass associated with the reciprocating platen.
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