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ČSN EN ISO 7096 (277696)
Stroje pro zemní práce - Laboratorní hodnocení přenosu vibrací sedadlem obsluhy (Norma k přímému použití jako ČSN).
NORMA vydaná dňa 1.9.2020
Informácie o norme:
Označenie normy: ČSN EN ISO 7096
Rozlišovací znak: 277696
Katalógové číslo: 510392
Dátum vydania normy: 1.9.2020
Kód tovaru: NS-1003383
Počet strán: 36
Približná hmotnosť: 108 g (0.24 libier)
Krajina: Česká technická norma
Kategória: Technické normy ČSN
Kategórie - podobné normy:
Anotácia textu normy ČSN EN ISO 7096 (277696):
This document specifies, in accordance with ISO 10326-1:2016, a laboratory method for measuring and evaluating the effectiveness of the seat suspension in reducing the vertical whole-body vibration transmitted to the operator of earth-moving machines at frequencies between 1 Hz and 20 Hz. It also specifies acceptance criteria for application to seats on different machines. This document is applicable to operator seats used on earth-moving machines as defined in ISO 6165. This document defines the input spectral classes required for the following earth-moving machines. Each class defines a group of machines having similar vibration characteristics: - rigid-frame dumpers > 4 500 kg operating mass; - articulated-frame dumpers; - scrapers without axle or frame suspension1); - wheeled loaders > 4 500 kg operating mass; - graders; - wheeled dozers; - soil compactors; - backhoe loaders; - crawler dumpers; - crawler loaders; - crawler-dozers <= 50 000 kg operating mass2); - compact dumpers <= 4 500 kg operating mass; - wheeled compact loaders <= 4 500 kg operating mass; - skid-steer loaders, wheeled <= 4 500 kg and tracked <= 6 000 kg operating mass. The following machines impart sufficiently low vertical vibration inputs at frequencies between 1 Hz and 20 Hz to the seat during operation that these seats do not require suspension for the attenuation of transmitted vibration: - excavators, including walking excavators and cable excavators3); - trenchers; - landfill compactors; - non-vibratory rollers, except soil compactors; - vibratory rollers, except soil compactors; - pipelayers; - horizontal directional drills (HDD). The tests and criteria defined in this document are intended for operator seats used in earth-moving machines of conventional design. NOTE - Other tests can be appropriate for machines with design features that result in significantly different vibration characteristics. Vibration which reaches the operator other than through the seat, for example that sensed by the operator´s feet on the platform or control pedals or by the operator´s hands on the steering-wheel, is not covered
Náhľad normy ČSN EN ISO 7096 (277696)
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