Sheet folding machines: Noise (NT ACOU 052)

  • Report #: NT ACOU 052
  • Approved: May 1985
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This NORDTEST method specifies operating conditions and methods to determine the sound power level and the sound pressure level at the operator’s position of sheet fed folding machines such as buckling, knife folding, rotary folding machines, machines for folding in quires, heliographic folding machines, combined buckling and knife folding machines.