| 摘要 |
A low friction machine for manufacturing corrugated board is described. The machine effectively extends the life expectancy of critical machine components such as the feet used in pressure applicators as well as a conveyor belt by reducing friction. The machine includes a foot operative for applying pressure to the substrate. The foot includes a conduit having a first end and a second end. An actuator attached to the foot and moves the foot between a raised position and a lowered position. The lowered position is proximate the substrate. An air supply connected to the first end of the conduit and supplies air to the foot. A check valve coupled to the second end of the conduit and regulates airflow in the foot. The check valve is opened when the foot is in the lowered position and closed when the foot is in the raised position.
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