guide idler

guide idler

[′gīd ‚īd·lər]
(mechanical engineering)
An idler roll with its supporting structure mounted on a conveyor frame to guide the belt in a defined horizontal path, usually by contact with the edge of the belt.
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Level checks are made on each piece of equipment--hot places; hot plate entry idler rolls; glue machine; preheater drum, wrap and fixed idler rolls; bridge guide idler rolls; single facers; preconditioner drum, wrap and fixed idler rolls, and roll stands, core chucks.