SIST EN ISO 5463:2024

SLOVENSKI STANDARD
01-december-2024
Specifikacija geometrijskih veličin izdelka - Oprema za merjenje oblike; naprave za
merjenje oblike z rotacijsko osjo - Zasnova in meroslovne značilnosti (ISO
5463:2024)
Geometrical product specifications (GPS) - Form measuring equipment; Rotary axis form
measuring instruments - Design and metrological characteristics (ISO 5463:2024)
Geometrische Produktspezifikationen (GPS) - Formmessgeräte; Formmessgeräte mit
Drehachse - Konstruktion und messtechnische Eigenschaften (ISO 5463:2024)
Spécification géométrique des produits (GPS) - Équipements de mesure de forme ;
Instruments de mesure de forme à plateau tournant - Caractéristiques de conception et
caractéristiques métrologiques (ISO 5463:2024)
Ta slovenski standard je istoveten z: EN ISO 5463:2024
ICS:
17.040.30 Merila Measuring instruments
17.040.40 Specifikacija geometrijskih Geometrical Product
veličin izdelka (GPS) Specification (GPS)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 5463
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2024
EUROPÄISCHE NORM
ICS 17.040.30; 17.040.40
English Version
Geometrical product specifications (GPS) - Rotary axis
form-measuring instruments - Design and metrological
characteristics (ISO 5463:2024)
Spécification géométrique des produits (GPS) - Geometrische Produktspezifikationen (GPS) -
Instruments de mesure de forme à axe rotatif - Formmessgeräte mit Drehachse - Konstruktion und
Caractéristiques de conception et caractéristiques messtechnische Eigenschaften (ISO 5463:2024)
métrologiques (ISO 5463:2024)
This European Standard was approved by CEN on 7 September 2024.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 5463:2024 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
This document (EN ISO 5463:2024) has been prepared by Technical Committee ISO/TC 213
"Dimensional and geometrical product specifications and verification" in collaboration with Technical
Committee CEN/TC 290 “Dimensional and geometrical product specification and verification” the
secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by March 2025, and conflicting national standards shall
be withdrawn at the latest by March 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards
body/national committee. A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
Endorsement notice
The text of ISO 5463:2024 has been approved by CEN as EN ISO 5463:2024 without any modification.

International
Standard
ISO 5463
First edition
Geometrical product specifications
2024-09
(GPS) — Rotary axis form-
measuring instruments — Design
and metrological characteristics
Spécification géométrique des produits (GPS) — Instruments de
mesure de forme à axe rotatif — Caractéristiques de conception
et caractéristiques métrologiques
Reference number
ISO 5463:2024(en) © ISO 2024
ISO 5463:2024(en)
© ISO 2024
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii
ISO 5463:2024(en)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
3.1 General terms .2
3.2 Terms relating to probe system .3
4 Design characteristics . 3
4.1 General .3
4.2 Types of rotary axis form-measuring instruments .4
4.2.1 General .4
4.2.2 Rotating workpiece instrument .4
4.2.3 Stationary workpiece instrument.6
4.3 Design characteristics of probe .8
4.3.1 Contact probe .8
4.3.2 Other types of probe .9
5 Metrological characteristics . 9
5.1 General .9
5.2 Rating operating condition . .9
5.2.1 Environmental conditions .9
5.2.2 Operating conditions .10
5.3 Correction of form deviations on material measure .10
5.4 Probe characteristics . .10
5.4.1 Reference point .10
5.4.2 Probe error .10
6 Determination of conformity to specification .12
6.1 General . 12
6.2 Measurement uncertainty . . 12
6.3 Decision rule . 13
Annex A (normative) Design and metrological characteristics for rotating workpiece
instruments . 14
Annex B (informative) Artefacts for metrological characteristics .38
Annex C (informative) Dynamic response of the probe .42
Annex D (informative) Incidental machine characteristics “Cresting” .45
Annex E (informative) Other types of probes .46
Annex F (informative) Relationship to the GPS matrix model .48
Bibliography .49

iii
ISO 5463:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 213, Dimensional and geometrical product
specifications and verification, in collaboration with the European Committee for Standardization (CEN)
Technical Committee CEN/TC 290, Dimensional and geometrical product specification and verification, in
accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.

iv
ISO 5463:2024(en)
Introduction
This document is a geometrical product specification standard and is to be regarded as a general GPS
standard (see ISO 14638). It influences chain link F of the chains of standards on form, orientation, location
and run-out.
The ISO GPS matrix model given in ISO 14638 gives an overview of the ISO GPS system, of which this document
is a part. The fundamental rules of ISO GPS given in ISO 8015 apply to this document and the default decision
rules given in ISO 14253-1 apply to specifications made in accordance with this document, unless otherwise
indicated. For more detailed information of the relation of this document to other standards and the GPS
matrix model, see Annex F.
See ISO/TR 14253-6 for additional information on the selection of alternative decision rules.
There are different types and variants of rotary axis form-measuring instrument. The metrological
characteristics described in this document apply to all types and variants.

v
International Standard ISO 5463:2024(en)
Geometrical product specifications (GPS) — Rotary axis
form-measuring instruments — Design and metrological
characteristics
1 Scope
This document specifies the most important design and metrological characteristics of rotary axis form-
measuring instruments.
It is not applicable to coordinate measurement systems as defined by the ISO 10360 series, whether the
systems are fitted with a rotary axis or not, except by special agreement.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 1101, Geometrical product specifications (GPS) — Geometrical tolerancing — Tolerances of form,
orientation, location and run-out
ISO 14253-5, Geometrical product specifications (GPS) — Inspection by measurement of workpieces and
measuring equipment — Part 5: Uncertainty in verification testing of indicating measuring instruments
ISO/TR 14253-6, Geometrical product specifications (GPS) — Inspection by measurement of workpieces and
measuring equipment — Part 6: Generalized decision rules for the acceptance and rejection of instruments and
workpieces
ISO 14978:2018, Geometrical product specifications (GPS) — General concepts and requirements for GPS
measuring equipment
ISO/IEC Guide 98-3, Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in
measurement (GUM: 1995)
ISO/IEC Guide 99:2007, International vocabulary of metrology — Basic and general concepts and associated
terms (VIM)
3 Terms and definitions
For the purposes of this document, the terms and definitions given in ISO 1101, ISO 14978 and
ISO/IEC Guide 99 and the following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/

ISO 5463:2024(en)
3.1 General terms
3.1.1
rotary axis form-measuring instrument
measuring instrument having a rotary axis and quantifying local form deviations from extracted integral
surfaces in a cylindrical coordinate system
3.1.2
centring
adjusting, in a plane perpendicular to the axis of rotation, the position of the centre point of the workpiece to
be coincident to the axis of rotation of the instrument
Note 1 to entry: See Figure 1.
a) Cylinder centring
b) Sphere centring
Key
1 axis of rotation 5 centre point after centring
2 revolute workpiece before centring 6 revolute workpiece after centring
3 centre point before centring 7 orthogonal axis to the axis of rotation
4 centring displacement
Figure 1 — Centring
ISO 5463:2024(en)
3.1.3
levelling
adjusting the centre line of the workpiece to be parallel to the axis of rotation or adjusting the normal vector
to a plane feature of the workpiece to be parallel to the axis of rotation
Note 1 to entry: See Figure 2.
Note 2 to entry: Levelling is often combined with, or followed by, centring in order to bring the axis of the workpiece to
be coaxial with the rotary axis of the instrument.
Key
1 axis of rotation 4 angular displacement
2 centre line of revolute workpiece before levelling 5 centre line of revolute workpiece after levelling
3 revolute workpiece before levelling 6 revolute workpiece after levelling
Figure 2 — Levelling
3.2 Terms relating to probe system
3.2.1
stylus
mechanical device consisting of a tip and an arm
4 Design characteristics
4.1 General
This measuring instrument is primarily constructed to acquire form deviations in cylindrical coordinates
through the direct measurement of radial (and axial) deviations. The design characteristics of a rotary axis
form-measuring instrument are described generically in Annex A, and depend on its type.
The cylindrical coordinate system is configured with the longitudinal axis nominally coincident with the
rotary axis and with a nominally perpendicular transverse axis.
NOTE 1 See Figure 3.
NOTE 2 Displacements measured along the longitudinal axis are designated as H and are measured from a point
specified by the manufacturer.

ISO 5463:2024(en)
NOTE 3 Radius, designated as R, is measured from the rotary axis and its basic direction is the transverse axis.
NOTE 4 Rotation angle, designated as θ, is measured from a line with orientation specified by the manufacturer in
the transverse plane.
NOTE 5 Direction along the rotary axis is called “axial direction” for rotary characteristics.
NOTE 6 Outward direction around the rotary axis is called “radial direction” for rotary characteristics.
NOTE 7 Rotating direction around the rotary axis is called “angular direction” for rotary characteristics.
Key
1 origin (centre position of rotary bearing) 6 rotation angle (angular distance of transverse axis from
reference axis)
2 angular motion 7 probing point
3 axis line of rotation (longitudinal axis) 8 longitudinal distance (distance of the probing point
from the transverse plane)
4 transverse axis or radial direction 9 radial distance (of the probing point from the rotary
axis)
5 angular reference axis in the transverse plane (θ=0)
Figure 3 — Measuring coordinate system
4.2 Types of rotary axis form-measuring instruments
4.2.1 General
There are a number of different types of rotary axis form-measuring instruments, with variants of each of
these types.
4.2.2 Rotating workpiece instrument
Design characteristics of this type of instrument shall be in accordance with Annex A.
Rotating workpiece instruments include the following variants:
a) Vertical axis rotating workpiece instrument on which the workpiece is fixed on a worktable, see
Figure 4.
b) Horizontal axis rotating workpiece instrument, which is a variant of type a), where the longitudinal axis
lies in a horizontal plane, see Figure 5.
c) Vertical axis rotating workpiece between centres, which is a variant of type a), where the workpiece is
rotated between centres instead of on a worktable.

ISO 5463:2024(en)
d) Horizontal axis rotating workpiece between centres, which is a variant of type b), where the workpiece
is rotated between centres instead of on a worktable.
Key
1 origin of measuring coordinate system 9 probing point radius R from rotary axis
2 angular motion 10 column
3 axis line of rotation 11 base
4 transverse axis 12 rotary spindle
5 probing point 13 longitudinal axis motion
6 workpiece 14 transverse axis motion
7 probe 15 worktable
8 probing point height H from the top plane of the
worktable
Figure 4 — Vertical axis rotating workpiece instrument
Key
1 origin of measuring coordinate system 9 probing point radius R from rotary axis
2 angular motion 10 column
3 axis line of rotation or longitudinal axis 11 base
4 transverse axis direction 12 rotary spindle
5 probing point 13 longitudinal motion

ISO 5463:2024(en)
6 workpiece 14 transverse motion
7 probe 15 fixture for workpiece on worktable
8 probing point height H from worktable top plane
Figure 5 — Horizontal axis rotating workpiece instrument
4.2.3 Stationary workpiece instrument
The stationary workpiece type instruments include the following variants:
a) Vertical axis stationary workpiece instrument on which the stylus turns around the workpiece, which is
fixed on a worktable, see Figure 6.
b) Horizontal axis stationary workpiece instrument, which is a variant of type a) in which the longitudinal
axis lies in a horizontal plane, see Figure 7.
c) Horizontal axis stationary workpiece between both centres instrument, which is a variant of b), where
the workpiece is held between centres instead of in a workpiece fixture.
d) Hole insertion with stationary workpiece instrument, a variant of a type where the instrument works
inside a fixed cylindrical hole on a workpiece, see Figure 8.
Key
1 origin of measuring coordinate system 9 probing point distance R from rotary axis
2 angular motion 10 column
3 axis line of rotation 11 base
4 transverse axis 12 rotary spindle
5 probing point 13 longitudinal axis motion
6 workpiece 14 transverse axis motion
7 probe 15 worktable
8 probing point height H from the origin at the
transverse axis
Figure 6 — Vertical axis stationary workpiece instrument

ISO 5463:2024(en)
Key
1 origin of measuring coordinate system 8 probing point height H from the origin at the
transverse axis
2 angular motion 9 probing point distance from rotary axis
3 axis line of rotation or transverse axis 10 base
4 longitudinal axis 11 column
5 probing point 12 rotary spindle
6 workpiece 13 transverse axis motion
7 probe 14 adjusting radius
Figure 7 — Horizontal axis stationary workpiece instrument

ISO 5463:2024(en)
Key
1 origin of measurement coordinate 8 probing point height H from the origin at the
transverse axis
2 angular motion 9 radius R of workpiece at the position of the probe
contacting point
3 axis line of rotation axis 10 base
4 transverse axis
5 probing point 11 rotary spindle
6 workpiece 12 longitudinal motion
7 probe 13 axis of the lever type probe
Figure 8 — Hole insertion with stationary workpiece instrument
4.3 Design characteristics of probe
4.3.1 Contact probe
A contact probe consists of a fixed part (“main body including transducer”) (see ISO/IEC Guide 99:2007, 3.7)
and a movable part (“stylus”) which is also called the “measuring element”.
A contact probe needs a measuring force to maintain contact with the surface throughout the measurement.
Excessive force could cause bending in the measurement loop and also damage the contacting point or the
surface being measured. The measuring force should therefore be kept as small as possible.
The stylus tip should be manufactured from hard, wear-resistant material. It shall be well finished and free
of flats or other irregularities which could affect the accuracy of the instrument.
The geometrical properties of the contact element shall be sufficient for the use of the measuring instrument.
The default geometry of a stylus tip is a sphere (see Figure 9).

ISO 5463:2024(en)
Key
1 diameter of cylindrical workpiece 2 tip radius of sphere stylus in any direction
Figure 9 — Sphere stylus tip geometry
4.3.2 Other types of probe
There are many different types of probe, which may have limitations on the types of materials that can be
measured. For rotary axis form-measuring instruments equipped with other probes, the manufacturer can
state each of the specifications (see Annex E).
5 Metrological characteristics
5.1 General
The metrological characteristics, other concepts and principles that are common across types and variants
are described below. Because the verification of the metrological characteristics may vary dependent on
instrument type and variant, testing and verification are described in Annex A relating to the instrument
type and variant. The testing and verification shall be carried out as specified in Annex A. The material
measures for these tests are described in Annex B.
A rotary axis form-measuring instrument can be used to measure many types of geometrical features.
The instrument may, therefore, have many different metrological characteristics. The supplier of a rotary
axis form-measuring instrument shall specify the maximum permissible error (MPE) of each metrological
characteristic. These MPEs apply when the instrument is used in accordance with the rated operating
conditions stated by manufacturer or supplier and the manufacturer’s recommendations.
NOTE The manufacturer or supplier does not need to specify MPE values for metrological characteristics that are
not included in the instrument functions or in the required measurements on the target workpiece.
The probe error is presented in 5.4, separately from Annex A, due to its potential contributor to all other
metrological characteristics of a rotary axis form-measuring instrument.
The length unit of metrological characteristics is micrometres, by default.
5.2 Rating operating condition
5.2.1 Environmental conditions
Limits for permissible environmental conditions that influence the measurements (e.g. temperature
conditions, humidity, vibration and ambient lighting at the site of installation) shall be specified by:
— the manufacturer, in the case of acceptance tests;
— the user, in the case of reverification tests.
In both cases, the user is free to choose the environmental conditions within the specified limits given in the
instrument data sheet under which testing to this document will be performed.

ISO 5463:2024(en)
The user is responsible for providing the environmental conditions as stated by the manufacturer in the data
sheet. If the environment is not within the rated operating conditions, then conformity or nonconformity
decision cannot be made unless the rated operating condition are met.
5.2.2 Operating conditions
The instrument shall be operated using the procedures given in the manufacturer’s operating manual when
conducting the tests given in Annex A.
5.3 Correction of form deviations on material measure
As discussed in Annex B, many of the measurement standards needed for verifying conformity to
specification should have small form deviations. The form deviations contribute to the measurement
uncertainty of the test values. To reduce the contribution of the form deviations on the material measure to
the test uncertainty, this document allows correction of the form deviations.
NOTE The following methods are typically used for correction of the form deviation of the measurement
standards:
a) compensation of the calibrated profile method;
b) reversal error separation method (see ISO 230-7 and references [21],[22],[25] and [27]);
c) multi-step error separation method; (see references [23],[24],[25],[27],[28] and [32]).
5.4 Probe characteristics
5.4.1 Reference point
Where applicable, the probe used for form measurements shall be provided with user-accessible means
for setting the probe to zero or to the reference point. The metrological characteristics described in this
document apply when the probe is properly set in accordance with the manufacturer’s recommendations,
and the reference point is considered fixed when verifying the metrological characteristics.
5.4.2 Probe error
5.4.2.1 General
The probe error (E ) is the error of indication when the probe is in contact with a material measure, for
p
any angular motion of the material measure or of the stylus depending on the type of the rotary axis form-
measuring instrument. The probe error is calculated as the signed deviation of the probe indication from
the calibrated reference value of a material measure.
The MPE of probe error shall be specified in at least one measuring range stated by the manufacturer or
supplier.
NOTE 1 The probe error can include the sensitivity error, the linearity error, the instrumental drift, the resolution
or digital step, the repeatability, the measurement noise, the hysteresis error and the dynamic response (see Annex C).
NOTE 2 The probe error is a contributor to all metrological characteristics of the instrument.
The sensitivity shall be adjusted following the manufacturer’s recommendations prior to the probe error test.
5.4.2.2 Test method
5.4.2.2.1 Test points and range
The verification test of probe errors shall be carried out with five or more test points. The test points shall
be well distributed, as evenly as practicable, throughout the measuring range of the probe (see Figure 10).
The test points shall cover at least the central 75 % of the measuring range of the probe.

ISO 5463:2024(en)
The reference point of the probe shall be at the centre (zero point) of its measuring range. This reference
point shall be located on the reference plane of the standard and be one of the test points.
Key
1 actual displacement 5 measuring range of probe
2 probe error curve 6 test point
3 probe error 7 reference point
4 test range
Figure 10 — Analysis of probe error
5.4.2.2.2 Test direction and location
The user is free to choose the probing direction (horizontal or vertical) for the probe error verification test,
if not stated otherwise by the manufacturer.
5.4.2.3 Measurement standard and testing procedure
When testing conformity to specifications, sufficient testing shall be used to establish confidence in the
results and the tester may choose suitable instruments or measurement standards from those described in
Annex B. The instrument or measurement standard used shall cover the range to be tested.
If each target step of displacement has a different probing position, the probing positions should be set along
an accurate (rotary, longitudinal or transverse) traversing motion. Probe error shall be calculated from
the measured length difference of each displacement. Typical procedures of each instrument and material
measures are also shown in Annex B.
5.4.2.4 MPE function
5.4.2.4.1 General
Maximum permissible probe error, E , is a two-sided MPE function as shown in ISO 14978:2018, 7.2.
P,MPE
ISO 5463:2024(en)
5.4.2.4.2 Proportional value MPE functions
Upper limit MPE:
E = + (a + |L× b|)
P,MPE
Lower limit MPE:
E = - (a + |L× b|)
P,MPE
5.4.2.4.3 Constant value MPE functions
Upper limit MPE:
E = + a
P,MPE
Lower limit MPE:
E = - a
P,MPE
5.4.2.4.4 Proportional value MPE functions with probe range
Upper limit MPE:
E = + (a + |L× b|) / (probe range)
P,MPE
Lower limit MPE:
E = - (a + |L× b|) / (probe range)
P,MPE
where
a are positive constants stated by the manufacturer;
b is a dimensionless positive constant stated by the manufacturer;
L is the actual displacement in micrometres (L = 0 at the reference point)
The MPE of the probe error can also be indicated as a percentage of the measuring span stated by the
manufacturer when the MPE is intended to indicate using constant value. The MPE of the probe error can
also be indicated as a percentage with proportional measuring span.
6 Determination of conformity to specification
6.1 General
All errors of indication associated with the metrological characteristics shall conform to the specified
MPE values.
6.2 Measurement uncertainty
Evaluation of measurement uncertainty shall be performed in accordance with ISO/IEC Guide 98-3. When
determining conformity with specification, the measurement uncertainty associated with a test value (the
test value uncertainty) shall be evaluated in accordance with ISO 14253-5. Additional guidance is available
in ISO 14978:2018, Annex D.
ISO 5463:2024(en)
6.3 Decision rule
When demonstrating conformity or non-conformity to specifications, the decision rule accompanying the
specifications shall be followed. If no decision rule is stated in the specifications, and no special agreement is
made between supplier and customer, then the default decision rule shall be simple acceptance and rejection,
with the measurement capability index, C , being one or larger, in accordance with ISO/TR 14253-6.
m
NOTE Information on the selection of an alternative decision rule can be found in ISO/TR 14253-6.

ISO 5463:2024(en)
Annex A
(normative)
Design and metrological characteristics for rotating workpiece
instruments
A.1 Design characteristics
The design of this type of rotary axis form-measuring instrument shall follow the general guidelines in
ISO 14978. The design shall be such that the metrological characteristics conform to the requirements of
this document.
Table A.1 gives a list of design characteristics for this type of rotary axis form-measuring instrument.
Relevant design characteristics should be specified when communicating requirements.
Table A.1 — List of design characteristics
Design characteristics
Component Description Unit
Height mm
Width mm
Overall dimensions
Depth mm
Mass (weight) kg
AC line voltage V
Mains connection AC line frequency Hz
Apparent power input VA
Maximum test diameter mm
Measuring range Maximum measuring length on longitudinal axis mm
Maximum measuring length on transverse axis mm
Rotational speed (ω ) Hz or r/min
cyc
Traversing speed Traversing speed on longitudinal axis mm/s
Traversing speed on transverse axis mm/s
Size or diameter mm
Loading table Load capacity N (or kg)
Centring range mm
Levelling range degree
Probe type (contact or non-contact) -
Probe Maximum measuring range of probe mm or μm
Stylus tip radius on a contact probe, or a half of effective
mm or μm
spot size on a non-contact probe
NOTE 1 Table A.1 shows the most important design characteristics for a rotating workpiece form-measuring
instrument. It is possible that some of these characteristics are not applicable to some variants.
NOTE 2 In addition to the characteristics shown in Table A.1, other design characteristics can be specified by the
manufacturer, depending on the application.

ISO 5463:2024(en)
A.2 Metrological characteristics
A.2.1 General
The following metrological characteristics are complementary to the probe error :
— radial error (see A.2.2);
— axial error (see A.2.3);
— longitudinal straightness error (see A.2.4);
— parallelism error (see A.2.5);
— transverse straightness error (see A.2.6);
— squareness error (see A.2.7).
Many of the metrological characteristics described in this Annex can be measured with a smaller
measurement uncertainty if error separation techniques are used to minimize uncertainty contributions
from the measurement standard.
Once the metrological characteristics have been determined, computer aided accuracy techniques may also
be used to software correct the instrument to meet the manufacturer’s specification.
In a few cases, such error separation techniques are part of the instrument's normal operation, for instance
when radial error separation techniques are used to measure high precision components.
A.2.2 Radial error
A.2.2.1 General
The radial error (E ) is the peak-to-valley roundness deviation, RONt (see ISO 12181-1) that would be
R
obtained from a longwave-pass filtered roundness profile of a perfectly round and perfectly centred section
of a measurement standard in a direction perpendicular to the axis of rotation.
The radial error shall not exceed the maximum permissible radial error.
NOTE 1 Radial error can consist of “pure radial error”, which is typically described as “radial motion error”, and
proportionally dependent error, called “tilt error” (see Figure A.1). Radial motion error cannot be separately evaluated
from tilt error.
NOTE 2 Radial error can include the effect of “closure error” (see reference [31]).
NOTE 3 Radial error can also be influenced by probe error and the remaining errors in centring as uncertainty effect.
NOTE 4 Radial error is a contributor to the measurement uncertainty of roundness or cylindricity observed on a
workpiece.
NOTE 5 Tilt error also affects axial error and can be assessed by verification of either radial or axial errors.
NOTE 6 “Closure error” can also be caused by instrument drift (see ISO/IEC Guide 99:2007, 4.21) or influences from
the environment or measurement process.

ISO 5463:2024(en)
Key
1 origin of measuring coordinates 8 nominal height of probing point from origin
2 angular motion 9 distance of the probing point from rotary axis
3 axis line of rotation 10 centre of probing roundness profile
4 transverse axis 11 worktable or transverse reference plane
5 centre position of tilt error 12 rotary spindle
6 hemisphere or sphere measurement standard 13 actual probing height from tilt error centre
7 probe 14 tilt error at height
Figure A.1 — Principle of reference point of tilt error
A.2.2.2 Test method
A.2.2.2.1 General
Radial error shall be tested by measuring the roundness profile around a roundness standard, for example a
precision sphere or hemisphere (see Figure A.2).

ISO 5463:2024(en)
Key
1 origin of measuring coordinates 8 measurement standard (sphere or hemisphere)
2 angular motion 9 distance of the probing point from rotary axis
3 axis line of rotation 10 height H of probing point from origin
4 reference axis on the transverse plane when testing at 11 origin of measuring coordinates and the centre of
H (paralleled to transverse axis) roundness standard when testing at H
1 2
5 measured position of rotary axis on transverse plane 12 spacer when testing at H
6 angular distance from reference axis 13 height H of probing point from origin
7 Probe 14 reference axis on the transverse plane when testing at
H
Figure A.2 — Test method for radial error
A.2.2.2.2 Test points and conditions
The verification test of radial error shall be carried out with a measuring process that has a sufficiently
small measurement uncertainty.
Probe configuration, orientation, direction, rotation speed and
...