17.040.10 - Limits and fits
ICS 17.040.10 Details
Limits and fits
Toleranzen. Passungen
Tolérances et ajustements
Tolerance in ujemi
General Information
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Specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four classes, these being based on customary workshop accuracy. The main criterion for the selection of a particular class should be the functional requirements.
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This document specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four tolerance classes, based on customary workshop accuracy. The main criterion for selection of a particular tolerance class is based on the functional requirements which are to be met. The applicable tolerances are always those which are stated in the drawing. Instead of specifying individual tolerances the tolerance classes according to this document can be used. General tolerances for linear and angular dimensions and for shape and position as specified in this document apply for weldments, welding assemblies, welded structures, etc. Special provisions can be necessary for complex structures. The specifications given in this document are based on the independency principle of ISO 8015, according to which the dimensional and geometrical tolerances apply independently of each other. Manufacturing documentation in which linear and angular dimensions or indications for shape and position are presented without individually indicated tolerances shall be deemed incomplete if there is no, or inadequate, reference to general tolerances. This does not apply to temporary dimensions.
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This document specifies the rules for geometrical dimensioning and tolerancing of final moulded parts and parts machined out of moulded parts. It also specifies rules and conventions for the indications of these requirements in technical product documentation and specifies the proportions and dimensions of the graphical symbols to be used. This document provides symbols for identifying the relative completeness of the moulded features and parts. These graphical symbols differ from the graphical symbols for surface texture according to ISO 1302[1], which are notably larger. This document specifies general geometrical tolerances using surface profile tolerances related to a general datum system that remains on the final part. It also specifies machining allowances and draft angles (tapers) for castings in all cast metals and their alloys produced by various casting manufacturing processes. This document establishes the general principles for presentation of general geometrical tolerances that apply to 2D technical drawings in all disciplines and trades but which are also applicable to 3D applications. NOTE All figures are shown in 2D views only. When cast datum surfaces are machined, this document is not applicable. [1]Cancelled and replaced by ISO 21920-1.
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This document specifies the general conditions for the thermomechanical analysis of thermoplastics and thermosetting materials, filled or unfilled, in the form of sheet or moulded parts.
Thermomechanical analysis consists of the determination of deformations of a test specimen under constant load as a function of temperature and/or time.
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This document specifies general dimensional and geometrical tolerances as well as machining allowance grades for castings using ± tolerances for indicated dimensions as delivered to the purchaser according to ISO/TS 8062-2. It is applicable for tolerancing of dimensions and geometry of castings in all cast metals and their alloys produced by various casting manufacturing processes.
This document does not apply to 3D CAD models used without indicated dimensions.
This document applies to both general dimensional and general geometrical tolerances (referred to in or near the title block of the drawing), unless otherwise specified and where specifically referred to on the drawing by one of the references in Clause 11.
The dimensional tolerances covered by this document are tolerances for linear dimensions.
The geometrical tolerances covered by this document are tolerances for:
— straightness;
— flatness;
— roundness;
— parallelism;
— perpendicularity;
— symmetry;
— coaxiality.
This document does not cover other position tolerances, angular dimensional tolerances or cylindricity tolerances.
This document can be used for the selection of tolerance values for individual indications.
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This document specifies general dimensional and geometrical tolerances as well as machining allowance grades for castings using ± tolerances for indicated dimensions as delivered to the purchaser according to ISO/TS 8062-2. It is applicable for tolerancing of dimensions and geometry of castings in all cast metals and their alloys produced by various casting manufacturing processes. This document does not apply to 3D CAD models used without indicated dimensions. This document applies to both general dimensional and general geometrical tolerances (referred to in or near the title block of the drawing), unless otherwise specified and where specifically referred to on the drawing by one of the references in Clause 11. The dimensional tolerances covered by this document are tolerances for linear dimensions. The geometrical tolerances covered by this document are tolerances for: — straightness; — flatness; — roundness; — parallelism; — perpendicularity; — symmetry; — coaxiality. This document does not cover other position tolerances, angular dimensional tolerances or cylindricity tolerances. This document can be used for the selection of tolerance values for individual indications.
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This document specifies tolerances on form and position as well as the surface roughness of shafts, flanges and thrust collars as used in plain bearing units. It is applicable to journal or thrust plain bearing units or to a combination of both, installed either horizontally or vertically.
This document is not applicable to crankshaft bearing units in combustion engines.
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This document illustrates the ambiguity caused by the use of dimensional specifications to control properties other than linear or angular size and the benefit of using geometrical specifications instead.
Dimensional tolerancing can be indicated by ± tolerancing or geometrical specifications.
The ambiguity caused by using ± tolerances for dimensions other than linear or angular sizes (for individual tolerances and general tolerances according to, e.g. ISO 2768-1 and ISO 8062-3) is explained in Annex A.
NOTE 1 The figures, as shown in this document, merely illustrate the text and are not intended to reflect actual usage. The figures are consequently simplified to indicate only the relevant principles.
NOTE 2 For indications of dimensional specifications, see the following:
— ISO 14405-1 for linear size;
— ISO 14405-3 for angular size;
— ISO 2538-1 and ISO 2538-2 for wedges;
— ISO 3040 for cones.
NOTE 3 The rules for geometrical specifications are given in ISO 1101.
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This document illustrates the ambiguity caused by the use of dimensional specifications to control
properties other than linear or angular size and the benefit of using geometrical specifications instead.
Dimensional tolerancing can be indicated by ± tolerancing or geometrical specifications.
The ambiguity caused by using ± tolerances for dimensions other than linear or angular sizes (for
individual tolerances and general tolerances according to, e.g. ISO 2768-1 and ISO 8062-3) is explained
in Annex A.
NOTE 1 The figures, as shown in this document, merely illustrate the text and are not intended to reflect
actual usage. The figures are consequently simplified to indicate only the relevant principles.
NOTE 2 For indications of dimensional specifications, see the following:
— ISO 14405-1 for linear size;
— ISO 14405-3 for angular size;
— ISO 2538-1 and ISO 2538-2 for wedges;
— ISO 3040 for cones.
NOTE 3 The rules for geometrical specifications are given in ISO 1101.
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This document establishes complementary rules to ISO 1101 to be applied to pattern specifications and defines rules to combine individual specifications, for geometrical specifications e.g. using the symbols POSITION, SYMMETRY, LINE PROFILE and SURFACE PROFILE, as well as STRAIGHTNESS (in the case where the toleranced features are nominally coaxial) and FLATNESS (in the case where the toleranced features are nominally coplanar) as listed in Annex C.
These rules apply when a set of tolerance zones are grouped together with location or orientation constraints, through the use of the CZ, CZR or SIM modifiers.
This document does not cover the use of the pattern specifications when the least and maximum material requirement is applied (see ISO 2692).
This document does not cover the establishment of common datum (see ISO 5459) based on pattern features.
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This document illustrates the ambiguity caused by the use of dimensional specifications to control properties other than linear or angular size and the benefit of using geometrical specifications instead. Dimensional tolerancing can be indicated by ± tolerancing or geometrical specifications. The ambiguity caused by using ± tolerances for dimensions other than linear or angular sizes (for individual tolerances and general tolerances according to, e.g. ISO 2768-1 and ISO 8062-3) is explained in Annex A. NOTE 1 The figures, as shown in this document, merely illustrate the text and are not intended to reflect actual usage. The figures are consequently simplified to indicate only the relevant principles. NOTE 2 For indications of dimensional specifications, see the following: — ISO 14405-1 for linear size; — ISO 14405-3 for angular size; — ISO 2538-1 and ISO 2538-2 for wedges; — ISO 3040 for cones. NOTE 3 The rules for geometrical specifications are given in ISO 1101.
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This document establishes complementary rules to ISO 1101 to be applied to pattern specifications and
defines rules to combine individual specifications, for geometrical specifications e.g. using the symbols
POSITION, SYMMETRY, LINE PROFILE and SURFACE PROFILE, as well as STRAIGHTNESS (in the case
where the toleranced features are nominally coaxial) and FLATNESS (in the case where the toleranced
features are nominally coplanar) as listed in Annex C.
These rules apply when a set of tolerance zones are grouped together with location or orientation
constraints, through the use of the CZ, CZR or SIM modifiers.
This document does not cover the use of the pattern specifications when the least and maximum
material requirement is applied (see ISO 2692).
This document does not cover the establishment of common datum (see ISO 5459) based on pattern
features.
- Standard52 pagesEnglish languagesale 10% offe-Library read for1 day
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This document establishes complementary rules to ISO 1101 to be applied to pattern specifications and defines rules to combine individual specifications, for geometrical specifications e.g. using the symbols POSITION, SYMMETRY, LINE PROFILE and SURFACE PROFILE, as well as STRAIGHTNESS (in the case where the toleranced features are nominally coaxial) and FLATNESS (in the case where the toleranced features are nominally coplanar) as listed in Annex C. These rules apply when a set of tolerance zones are grouped together with location or orientation constraints, through the use of the CZ, CZR or SIM modifiers. This document does not cover the use of the pattern specifications when the least and maximum material requirement is applied (see ISO 2692). This document does not cover the establishment of common datum (see ISO 5459) based on pattern features.
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ISO 1101:2017 defines the symbol language for geometrical specification of workpieces and the rules for its interpretation.
It provides the foundation for geometrical specification.
The illustrations in this document are intended to illustrate how a specification can be fully indicated with visible annotation (including e.g. TEDs).
NOTE 1 Other International Standards referenced in Clause 2 and in Tables 3 and 4 provide more detailed information on geometrical tolerancing.
NOTE 2 This document gives rules for explicit and direct indications of geometrical specifications. Alternatively, the same specifications can be indicated indirectly in accordance with ISO 16792 by attaching them to a 3D CAD model. In this case, it is possible that some elements of the specification are available through a query function or other interrogation of information on the model instead of being indicated using visible annotation
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ISO 1938-2:2017 specifies the most important metrological and design characteristics of reference disk gauges.
ISO 1938-2:2017 covers linear sizes of the gauge up to 500 mm.
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SIST EN ISO 1101 defines the symbol language for geometrical specification of workpieces and the rules for its interpretation. It provides the foundation for geometrical specification. The illustrations in this document are intended to illustrate how a specification can be fully indicated with visible annotation (including e.g. TEDs).
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This document gives the rules for geometrical specifications of integral and derived features, using the
line profile and surface profile characteristic symbols as defined in ISO 1101.
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This part of ISO 14405 establishes the default specification operator for angular size and defines a number of special specification operators for features of size with angular size (e.g. wedges or cones).
This part of ISO 14405 also defines the specification modifiers and the drawing indications for these angular sizes.
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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.
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ISO 1101:2017 defines the symbol language for geometrical specification of workpieces and the rules for its interpretation. It provides the foundation for geometrical specification. The illustrations in this document are intended to illustrate how a specification can be fully indicated with visible annotation (including e.g. TEDs). NOTE 1 Other International Standards referenced in Clause 2 and in Tables 3 and 4 provide more detailed information on geometrical tolerancing. NOTE 2 This document gives rules for explicit and direct indications of geometrical specifications. Alternatively, the same specifications can be indicated indirectly in accordance with ISO 16792 by attaching them to a 3D CAD model. In this case, it is possible that some elements of the specification are available through a query function or other interrogation of information on the model instead of being indicated using visible annotation
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ISO 1938-2:2017 specifies the most important metrological and design characteristics of reference disk gauges. ISO 1938-2:2017 covers linear sizes of the gauge up to 500 mm.
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This part of ISO 14405 establishes the default specification operator for angular size and defines a number of special specification operators for features of angular size: cone (truncated, i.e. frustum, or not), wedge (truncated or not), two opposite straight lines (intersection of a wedge/truncated wedge and a plane perpendicular to the intersection straight line of the two planes of the wedge/truncated wedge, intersection of a cone/frustum and a plane containing the axis of revolution of the cone/frustum). See Figure 1 and Figure 2. This part of ISO 14405 also defines the specification modifiers and the drawing indications for these angular sizes. This part of ISO 14405 covers the following angular sizes: — local angular size: — angular size between two lines; — portion angular size; — global angular size: — direct global angular size: — least squares angular size; — minimax angular size; — rank order angular size/indirect global angular size: — maximum angular size; — minimum angular size; — average angular size; — range of angular sizes; — mid-range angular size; — median angular size; — standard deviation of angular size. This part of ISO 14405 defines the meaning of tolerances of angular sizes indicated as — + and/or - limit deviations, e.g. 0°/-0,5°, or — indicated with upper limit of size (ULS) and/or lower limit of size (LLS), e.g. 35° max. or 15° min., 34°/36°, — with or without modifiers. This part of ISO 14405 provides a set of tools to express several types of angular size characteristics. It does not give any information on the relationship between a function or a use and an angular size characteristic.
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This part of ISO 14405 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.
This part of ISO 14405 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;
1) A torus is a feature of size when its directrix diameter is fixed.
d) rank-order size:
— maximum size;
— minimum size;
— average size;
— median size;
— mid-range size;
— range of sizes;
— standard deviation of sizes.
This part of ISO 14405 defines tolerances of linear sizes for the following:
— a + and/or − limit deviation (e.g. 0/−0,019) (see Figure 11);
— 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)
(see Figure 13);
— an ISO tolerance class code in accordance with ISO 286‑1 (e.g. 10 h6) (see Figure 12);
with or without modifiers (see Tables 1 and 2).
This part of ISO 14405 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.
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This part of ISO 4759 specifies tolerances for flat washers of product grades A, C and F with nominal
diameters of 1 mm to 150 mm inclusive, designed to be used in bolted joints in combination with bolts,
screws, studs and nuts.
This part of ISO 4759 may be applied to non-flat washers however it does not include all the tolerances
related to these washers.
It applies to non-captive and captive washers, and to standard and non-standard washers.
It does not apply to dynamic disc springs.
Washers of product grades F and A are intended to be used with bolts, screws, studs and nuts of product
grades A and B; washers of product grade C are intended to be used with bolts, screws, studs and nuts
of product grade C.
NOTE The product grade refers to a specific tolerance range related to dimensional and geometrical
characteristics (product grade F for fine tolerances, product grade A for precise tolerances, product grade C for
large tolerances).
Annex A presents tolerances taken from ISO 286-1 and ISO 286-2.
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This European standard specifies tolerances on dimensions and shape for hot-rolled uncoated embossed steel strip and plate/sheet cut of it with a maximum width of 2200 mm and thicknesses up to 20 mm, of non-alloy and alloy steels.
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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.
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This International Standard specifies graphical indication applicable to a cone (right-angle circular
cones) to define its dimensioning or to specify its tolerancing.
For the purposes of this International Standard, the term “cone” relates to right-angle circular cones
only (any intersection by a plane perpendicular to the axis of the nominal cone is a circle).
NOTE 1 For simplicity, only truncated cones have been represented in this International Standard. However,
this International Standard can be applied to any type of cone within its scope.
NOTE 2 This International Standard is not intended to prevent the use of other methods of dimensioning and
tolerancing.
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ISO 1938-1:2015 specifies the most important metrological and design characteristics of plain limit gauges of linear size.
ISO 1938-1:2015 defines the different types of plain limit gauges used to verify linear dimensional specifications associated with linear size.
ISO 1938-1:2015 also defines the design characteristics and the metrological characteristics for these limit gauges as well as the new or wear limits state Maximum Permissible Limits (MPLs) for the new state or wear limits state for these metrological characteristics.
In addition, ISO 1938-1:2015 describes the use of limit gauges. It covers linear sizes up to 500 mm.
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ISO 1938-1:2015 specifies the most important metrological and design characteristics of plain limit gauges of linear size. ISO 1938-1:2015 defines the different types of plain limit gauges used to verify linear dimensional specifications associated with linear size. ISO 1938-1:2015 also defines the design characteristics and the metrological characteristics for these limit gauges as well as the new or wear limits state Maximum Permissible Limits (MPLs) for the new state or wear limits state for these metrological characteristics. In addition, ISO 1938-1:2015 describes the use of limit gauges. It covers linear sizes up to 500 mm.
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This part of ISO 286 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286-1. This part of ISO 286 covers values for the upper limit deviations ES (for holes) and es (for shafts), and the lower limit deviations EI (for holes) and ei (for shafts) (see Figures 1 and 2).
- Corrigendum7 pagesEnglish languagesale 10% offe-Library read for1 day
This part of ISO 286 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces. It defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities. Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
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This part of ISO 8062 gives the rules for geometrical dimensioning and tolerancing of final moulded parts and parts machined out of moulded parts. It also gives rules and conventions for the indications of these requirements in technical product documentation and specifies the proportions and dimensions of the graphical symbols to be used. This part of ISO 8062 provides symbols which may be used to identify the relative completeness of the moulded features and parts. These graphical symbols should not be confused with the graphical symbols for surface texture according to ISO 1302, which are notably larger.
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- Technical specification65 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TS 8062-2:2013 gives the rules for geometrical dimensioning and tolerancing of final moulded parts and parts machined out of moulded parts. It also gives rules and conventions for the indications of these requirements in technical product documentation and specifies the proportions and dimensions of the graphical symbols to be used.
ISO/TS 8062-2:2013 provides symbols which may be used to identify the relative completeness of the moulded features and parts. These graphical symbols should not be confused with the graphical symbols for surface texture according to ISO 1302, which are notably larger.
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- Technical specification65 pagesEnglish languagesale 10% offe-Library read for1 day
This part of ISO 286 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286-1. This part of ISO 286 covers values for the upper limit deviations ES (for holes) and es (for shafts), and the lower limit deviations EI (for holes) and ei (for shafts) (see Figures 1 and 2).
- Corrigendum7 pagesEnglish languagesale 10% offe-Library read for1 day
This part of ISO 286 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces. It defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities. Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
- Corrigendum7 pagesEnglish languagesale 10% offe-Library read for1 day
ISO/TS 8062-2:2013 gives the rules for geometrical dimensioning and tolerancing of final moulded parts and parts machined out of moulded parts. It also gives rules and conventions for the indications of these requirements in technical product documentation and specifies the proportions and dimensions of the graphical symbols to be used. ISO/TS 8062-2:2013 provides symbols which may be used to identify the relative completeness of the moulded features and parts. These graphical symbols should not be confused with the graphical symbols for surface texture according to ISO 1302, which are notably larger.
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ISO 5459:2011 specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. It also provides explanations to assist the user in understanding the concepts involved.
ISO 5459:2011 defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of ISO 5459:2011.
The detailed rules for maximum and least material requirements for datums are given in ISO 2692.
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This International Standard specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. This International Standard also provides explanations to assist the user in understanding the concepts involved. This International Standard defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of this International Standard.
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ISO 5459:2011 specifies terminology, rules and methodology for the indication and understanding of datums and datum systems in technical product documentation. It also provides explanations to assist the user in understanding the concepts involved. ISO 5459:2011 defines the specification operator (see ISO 17450-2) used to establish a datum or datum system. The verification operator (see ISO 17450-2) can take different forms (physically or mathematically) and is not the subject of ISO 5459:2011. The detailed rules for maximum and least material requirements for datums are given in ISO 2692.
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ISO 14406:2010 specifies the basic terminology for GPS extraction. It defines a framework for the fundamental operations used in GPS extraction and introduces the concepts of sampling and reconstruction for extraction, together with some principal sampling schemes on several basic geometries.
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ISO 286-2:2010 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286‑1. ISO 286-2 covers values for the upper limit deviations eU, hole (for holes) and eU, shaft (for shafts) and the lower limit deviations eL, hole (for holes) and eL, shaft (for shafts).
The ISO system for tolerances on linear size provides a system of tolerances and deviations suitable for features of the following types:
cylinders;
two parallel opposite surfaces.
For simplicity, and also because of the importance of cylindrical workpieces of circular section, only these are referred to explicitly. It should be clearly understood, however, that the tolerances and deviations given in ISO 286-2 equally apply to workpieces of other than circular sections.
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ISO 14406:2010 specifies the basic terminology for GPS extraction. It defines a framework for the fundamental operations used in GPS extraction and introduces the concepts of sampling and reconstruction for extraction, together with some principal sampling schemes on several basic geometries.
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This part of ISO 286 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces. It defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities. Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
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ISO 286-1:2010 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces.
ISO 286-1:2010 defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities.
Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
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This part of ISO 286 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286-1. This part of ISO 286 covers values for the upper limit deviations ES (for holes) and es (for shafts), and the lower limit deviations EI (for holes) and ei (for shafts) (see Figures 1 and 2).
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ISO 286-2:2010 gives values of the limit deviations for commonly used tolerance classes for holes and shafts calculated from the tables given in ISO 286‑1. ISO 286-2 covers values for the upper limit deviations eU, hole (for holes) and eU, shaft (for shafts) and the lower limit deviations eL, hole (for holes) and eL, shaft (for shafts). The ISO system for tolerances on linear size provides a system of tolerances and deviations suitable for features of the following types: cylinders; two parallel opposite surfaces. For simplicity, and also because of the importance of cylindrical workpieces of circular section, only these are referred to explicitly. It should be clearly understood, however, that the tolerances and deviations given in ISO 286-2 equally apply to workpieces of other than circular sections.
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ISO 286-1:2010 establishes the ISO code system for tolerances to be used for linear sizes of features of the following types: a) cylinder; b) two parallel opposite surfaces. ISO 286-1:2010 defines the basic concepts and the related terminology for this code system. It provides a standardized selection of tolerance classes for general purposes from amongst the numerous possibilities. Additionally, it defines the basic terminology for fits between two features of size without constraints of orientation and location and explains the principles of “basic hole” and “basic shaft”.
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ISO 8062-1:2007 establishes a vocabulary of terms and definitions used to describe the features, form and tolerance types when assigning dimensional and geometrical tolerances to moulded parts in geometrical product specifications (GPS).
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This part of ISO 8062 specifies the terms and definitions used to describe the features, form and tolerance types when assigning tolerances to moulded parts. It applies to general tolerances and/or machining allowances given on a technical drawing, and to individual tolerances and/or required machining allowances. The specified system applies when the manufacturer provides the pattern or die equipment, or accepts responsibility for proving it. This part of ISO 8062 does not apply to the surface(s) of moulded parts which have a protective or decorative surface treatment applied to them.
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