Struktura povrchu

Oblast zaměření: Struktura povrchu
Komise : CEN/TC 290 (Dimensional and geometrical product specification and verification)
Původce: CEN
K připomínkám do: 19.07.2019
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This document gives the rules of definition and interpretation of general specifications defined according to ISO 8015 (general tolerancing) applicable on the whole workpiece.

The general specifications can be applied to integral surfaces only, i.e. integral lines are excluded.

The general geometrical and dimensional specifications defined in this document applies to the following:

—    for dimensional specifications:

—    for features of size:

—    linear size (±) (according to ISO 14405‑1);

—    angular size (±)(according to ISO 14405‑3);

—    for geometrical specifications:

—    for integral features:

—    geometrical specifications with the characteristic surface profile (⌓).

Oblast zaměření: Struktura povrchu
Komise : CEN/TC 290 (Dimensional and geometrical product specification and verification)
Původce: CEN
K připomínkám do: 22.07.2019
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This document provides the most important design and metrological characteristics of calliper depth gauges

—    with analogue indication: vernier scale or circular scale (dial), and

—    with digital indication: digital display.

Oblast zaměření: Struktura povrchu
Komise : CEN/TC 290 (Dimensional and geometrical product specification and verification)
Původce: CEN
K připomínkám do: 23.07.2019
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This document specifies the acceptance tests for verifying the performance of a laser tracker by measuring calibrated test lengths, according to the specifications of the manufacturer. It also specifies the reverification tests that enable the user to periodically reverify the performance of the laser tracker. The acceptance and reverification tests given in this document are applicable only to laser trackers utilizing a retro-reflector as a probing system. Laser trackers that use interferometry (IFM), absolute distance meter (ADM) measurement, or both can be verified using this document. This standard can also be used to specify and verify the relevant performance tests of other spherical coordinate measurement systems that use cooperative targets, such as “laser radar” systems.

NOTE          Systems, such as laser radar systems, which do not track the target, will not be tested for probing performance.

This document does not explicitly apply to measuring systems that do not use a spherical coordinate system (i.e. two orthogonal rotary axes having a common intersection point with a third linear axis in the radial direction) however, the parties may apply this part of 10360 to such systems by mutual agreement.

This document specifies:

—    performance requirements that can be assigned by the manufacturer or the user of the laser tracker,

—    the manner of execution of the acceptance and reverification tests to demonstrate the stated requirements,

—    rules for proving conformance, and

—    applications for which the acceptance and reverification tests can be used.

Oblast zaměření: Struktura povrchu
Komise : CEN/TC 290 (Dimensional and geometrical product specification and verification)
Původce: CEN
K připomínkám do: 26.07.2019
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This document defines the maximum material requirement, the least material requirement and the reciprocity requirement. These requirements can only be applied to linear features of size of cylindrical type or opposed planar type.

These requirements are often used to control specific functions of workpieces where size and geometry are interdependent, e.g. to fulfil the functions “assembly of parts” (for maximum material requirement) or “minimum wall thickness” (for least material requirement). However, the maximum material requirement and least material requirement can also be used to fulfil other functional design requirements.