Geometrical Dimensioning and Tolerancing for Design, Manufacturing and Inspection: A Handbook for Geometrical Product Specification using ISO and ASME Standards, Second Edition
By Georg Henzold

ISO Text Equivalents

A new ISO Standard (ISO 14 995-1) on text equivalents is in preparation. The standard will probably give the following text equivalents (to be used in text, not in drawings):

Line profile

PFL

Straightness

STR

Roundness

RON

Surface profile

PFS

Flatness

FLT

Cylindricity

CYL

Angularity

ANG

Parallelism

PAR

Perpendicularity

PER

Position

POS

Coaxiality

CAX

Symmetry

SYM

Circular run-out

CRO

Total run-out

TRO

Copyright Georg Henzold 2006 under license agreement with Books24x7
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