ISO tolerance
[/ˈaɪ.soʊ ˈtɒl.ər.əns/]
nounpl: ISO tolerances
tolerância ISO
1. A standardized system of limits and fits established by the International Organization for Standardization (ISO) to specify the permissible variation in dimensions of manufactured parts
The engineer specified an ISO tolerance of H7 for the shaft diameter to ensure proper fit with the mating component.
O engenheiro especificou uma tolerância ISO de H7 para o diâmetro do eixo para garantir um encaixe adequado com o componente acoplado.
2. The allowable deviation from a nominal dimension in mechanical engineering, expressed using ISO 286 standard notation
ISO tolerance grades range from IT01 (most precise) to IT16 (least precise) depending on the application requirements.
As classes de tolerância ISO variam de IT01 (mais precisa) até IT16 (menos precisa) dependendo dos requisitos da aplicação.
ISO tolerance is a universal technical standard adopted globally in manufacturing and engineering sectors. In Brazil, it is essential in automotive, aerospace, and precision manufacturing industries. The term is used consistently across Portuguese-speaking countries and maintains its English acronym 'ISO' in professional documentation and technical drawings.
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