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AGMA 6025-D98 Document Information:
Title
Sound for Enclosed Helical, Herringbone and Spiral Bevel Gear Drives
American Gear Manufacturers Association
Publication Date:
Mar 1, 1998
Scope:
This standard describes the instrumentation, measuring methods and
test procedures necessary for
the determination of a gear unit's sound pressure levels for
acceptance testing. Sound power
measurement methods are provided in annexes A, B and C for use when
required by specific contract
provisions between the manufacturer and purchaser.
Application
This standard is applicable to gear drives designed and rated in
accordance with the following
standards: ANSI/AGMA 6010-F97, Standard for Spur, Helical, Herringbone
and Spiral Bevel Enclosed
Drives; ANSI/AGMA 6011-H97, Practice for High Speed Helical and
Herringbone Gear Units; ANSI/AGMA
6019-B89, Standard for Gearmotors Using Spur, Helical, Herringbone,
Straight Bevel or Spiral Bevel
Gears; and ANSI/AGMA 6021-G89, Standard for Shaft Mounted and Screw
Conveyor Drives Using Spur,
Helical and Herringbone Gears.
ANSI/AGMA 6025-D98 applies to only those gear units which are
lubricated in accordance with
manufacturer's recommendations and tested in a system of connected
rotating parts free from serious
critical speeds, torsional vibrations or overloads as tested at the
gear unit manufacturer's
facility.
Where performance of actual shop tests to determine sound level is
required, it shall be the
responsibility of the purchaser to so state in his inquiry and order.
NOTE: The gear unit is only part of the total acoustic system which
includes, in addition to the
gear unit, the prime mover, driven equipment, gear unit mounting,
foundation and acoustic
environment. Each of these might affect the measured level of sound
emitted from the gear unit.
Unless otherwise agreed, the gear manufacturer's responsibility is to
ensure that the level of
noise emitted from a gear unit under the test conditions in his
factory is within contractually
specified or negotiated limits.
Special contractual considerations are discussed in annex D.
CAUTION: Compliance with this standard does not constitute a warranty
of the measured gear unit
sound levels under installed field service conditions.
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