Wet Edge Control

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Deckles run along the wire edges adjacent to the headbox to keep the stock on the wire until it has dewatered sufficiently. Curling boards and water jet deckles can help minimize the formation of deckle wakes. Edge showers are used to keep the deckles, curling boards and wire edges clean and lubricated. Trim squirts are used to trim off the edges at the end of the former and establish the sheet width into the press section. They must all be installed and positioned properly to minimize wear and prevent edge profile and edge transfer issues. This module will describe the function and operation of each of these device.