Reference number
ISO 14405-1:2016
© ISO 2024
International Standard
ISO 14405-1:2016
Geometrical product specifications (GPS) — Dimensional tolerancing — Part 1: Linear sizes
Edition 2
2016-08
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недоступно на русском языке
Опубликовано (Версия 2, 2016)

ISO 14405-1:2016

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CHF 194
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Тезис

ISO 14405-1:2016 establishes the default specification operator (see ISO 17450‑2) for linear size and defines a number of special specification operators for linear size for features of size, e.g. "cylinder", "sphere", "torus,"[1], "circle", "two parallel opposite planes", or "two parallel opposite straight lines".

It also defines the specification modifiers and the drawing indications for these linear sizes.

It covers the following linear sizes:

a) local size:

- two-point size;

- spherical size;

- section size;

- portion size;

b) global size:

- direct global linear size:

- least-squares size;

- maximum inscribed size;

- minimum circumscribed size;

- minimax size;

- indirect global linear size;

c) calculated size:

- circumference diameter;

- area diameter;

- volume diameter;

d) rank-order size:

- maximum size;

- minimum size;

- average size;

- median size;

- mid-range size;

- range of sizes;

- standard deviation of sizes.

ISO 14405-1:2016 defines tolerances of linear sizes for the following:

- a + and/or − limit deviation (e.g. 0/−0,019);

- an upper limit of size (ULS) and/or lower limit of size (LLS) (e.g. 15,2 max., 12 min., or 30,2/30,181);

- an ISO tolerance class code in accordance with ISO 286‑1 (e.g. 10 h6);

with or without modifiers.

ISO 14405-1:2016 provides a set of tools to express several types of size characteristic. It does not present any information on the relationship between a function or a use and a size characteristic.

[1] A torus is a feature of size when its directrix diameter is fixed.

Общая информация

  • Текущий статус
     : Опубликовано
    Дата публикации
     : 2016-08
    Этап
    : Международный стандарт подлежит пересмотру [90.92]
  • Версия
     : 2
  • Технический комитет :
    ISO/TC 213
    ICS :
    17.040.10 
  • RSS обновления

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