Preferred number
In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes, and other characteristic quantities. While all of these choices are constrained by considerations of functionality, usability, compatibility, safety or cost, there usually remains considerable leeway in the exact choice for many dimensions. Preferred numbers serve two purposes:
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1-2-5 seriesCapacitor typesCeramic capacitorChange-making problemCharles RenardCircuit breakerConvenient numberDX encodingDenomination (currency)E series of preferred numbersElectrolytic capacitorF-numberFilm speedHex keyISO 2848Index of electronics articlesIndex of standards articlesInterchangeable partsJoint European standard for size labelling of clothesList of International Electrotechnical Commission standardsList of common resolutionsLogarithmic scaleMachine taperMeasuring receiverMetricationMixed radixModular coordinationModulorNumber (disambiguation)Point (typography)PreferredPreferred dimensionPreferred metric sizesPreferred numbersPreferred valuePreferred valuesPreferred values systemPreffered numberReal versus nominal valueReification (fallacy)
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Preferred number
In industrial design, preferred numbers (also called preferred values or preferred series) are standard guidelines for choosing exact product dimensions within a given set of constraints. Product developers must choose numerous lengths, distances, diameters, volumes, and other characteristic quantities. While all of these choices are constrained by considerations of functionality, usability, compatibility, safety or cost, there usually remains considerable leeway in the exact choice for many dimensions. Preferred numbers serve two purposes:
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En mécanique, les dimensions l ...... rreur et de réduire les coûts.
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In industrial design, preferre ...... convenient basis, usually 10.
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Los números preferentes, tambi ...... ilidad entre diseños y partes.
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Szereg wartości – wartości nom ...... zb normalnych (ciągi Renarda).
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Vyvolené číslo je součást číse ...... apíru vycházející z norem DIN.
@cs
Перева́жні чи́сла — це числа, ...... злів, машин, устаткування тощо
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Ряды предпочтительных чисел (в ...... атом оптимизационных расчетов.
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標準数 1.
* JIS Z 8601。製品などの寸法を選 ...... 定)を丸めたもので、機器の寸法や値などを決める場合に用いる。
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1,024,037,774
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date
May 2019
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comment
En mécanique, les dimensions l ...... coulisser, de les assembler).
@fr
In industrial design, preferre ...... ed numbers serve two purposes:
@en
Los números preferentes, tambi ...... ilidad entre diseños y partes.
@es
Szereg wartości – wartości nom ...... ają prawidłową pracę urządzeń.
@pl
Vyvolené číslo je součást číse ...... apíru vycházející z norem DIN.
@cs
Перева́жні чи́сла — це числа, ...... рядів має міжнародне значення.
@uk
Ряды предпочтительных чисел (в ...... 5 — 2,8 — 3,6 — 4,6 — 6 — 7,7.
@ru
標準数 1.
* JIS Z 8601。製品などの寸法を選 ...... 定)を丸めたもので、機器の寸法や値などを決める場合に用いる。
@ja
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Dimension linéaire nominale
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Números preferentes
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Prefera nombro
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Preferred number
@en
Szereg wartości
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Vyvolené číslo
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Переважні числа
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Ряды предпочтительных чисел (в технике)
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標準数
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