L-Acoustics KS28, Руководство пользователя

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Mechanical safety
Mechanical safety
Flown congurations
The KS28 rigging system complies with 2006/42/EC: Machinery Directive. It has been designed following the
guidelines of BGV-C1.
2006/42/EC: Machinery Directive species a safety factor of 4 against the rupture. The own deployments described in
this manual achieve a safety factor of
5 or more
.
Refer to Soundvision for the safety factor of a specic deployment.
The
safe limit
gives the maximum number of elements for which the safety factor is compliant with the 2006/42/
EC: Machinery Directive, within the use dened in this manual and regardless of the other deployment parameters (site
angles, inter-element angles, etc.).
The
maximum limit
gives the maximum number of elements for which the safety factor can be compliant with the
2006/42/EC: Machinery Directive, when the other deployment parameters provide the best mechanical conditions.
For mixed arrays refer to your Soundvision model.
KS28
conguration rigging accessory maximum / safe limit
Flown KS28-BUMP 16
Other congurations
For other congurations, respect the recommended maximum limit for optimal stability.
Conguration Rigging accessory Maximum limit
Ground-stacked No rigging accessory 4
Stacked upright No rigging accessory 2
Stacked on chariot KS28-CHARIOT 4
Assessing mechanical safety
Mechanical safety of the rigging system
Before any installation, always model the system in Soundvision and check the
Mechanical Data
section for
any
stress warning
or
stability warning
.
In order to assess the actual safety of any array conguration before implementation, refer to the following warnings:
Rated working load limit (WLL) is not enough
The rated WLL is an indication of the element resistance to tensile stress. For complex mechanical systems such as
loudspeaker arrays, WLLs cannot be used per se to determine the maximum number of enclosures within an array
or to assess the safety of a specic array conguration.
Mechanical modeling with Soundvision
The working load applied to each linking point, along with the corresponding safety factor, will depend on
numerous variables linked to the composition of the array (type and number of enclosures, splay angles) and the
implementation of the ying or stacking structure (number and location of ying points, site angle). This cannot be
determined without the complex mechanical modeling and calculation offered by Soundvision.
Assessing the safety with Soundvision
The overall safety factor of a specic mechanical conguration always corresponds to the lowest safety factor
among all the linking points. Always model the system conguration with the Soundvision software and check the
Mechanical Data
section to identify the weakest link and its corresponding working load. By default, a
stress
warning
will appear when the mechanical safety goes beyond the recommended safety level.
KS28 owner's manual (EN) version 1.0 17