ISO 9981:2020 pdf download Belt drives — Pulleys and V-ribbed belts for the automotive industry — PK profile: Dimensions
1 Scope
This document specifies the principal dimensional characteristics of V-ribbed pulley groove profiles,together with the corresponding endless V-ribbed belts of PK profile which are used predominantly for automotive accessory drive applications.
This document does not apply to the complete array of V-ribbed belts and pulleys of PH, PJ, PK, PL and PM profile for industrial and other non-automotive applications which are covered by ISO 9982. PK belt profile dimensions and tolerances are the same in both International Standards.
6.2 and 6.3 of this document do not apply to elastic belts.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this document.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
4 Symbols
For the purpose of this document, the symbols given in Table 1 apply.ISO 9981:2020 pdf download