| 摘要 |
A lubrication device is applied in a punching machine, and includes a hollow workpiece-guiding unit, and an oil feeding assembly, and a compressed-air supplying unit. The workpiece-guiding unit defines an interior chamber, and has a plate passage unit for extension of a horizontal metal plate therethrough. The plate passage unit is in fluid communication with the interior chamber in the workpiece-guiding unit. The oil feeding assembly supplies lubricating oil into the workpiece-guiding unit. The compressed-air supplying unit supplies compressed air to combine with the lubricating oil so that the lubricating oil is trained on the compressed air to form an oil gas, which flows into the interior chamber in the workpiece-guiding unit and onto the top and bottom surfaces of the metal plate.
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