This part of GB/T 6931 defines the terms, definitions and symbols of V-belts and V-belt pulleys, ribbed belts and ribbed pulleys. This section applies to V-belt and V-belt drive applications. Note: Refer to Appendix C for the terminology of the main types of friction belts. 2 General terms, definitions and symbols for V-belts and V-belt pulleys
GB/T 6931.2-2020 history
2020GB/T 6931.2-2020 Belt drives—Vocabulary—Part 2:V-belts and V-ribbed belt drives
2008GB/T 6931.2-2008 Belt drives vocabulary. Part 2: V-belts and V-ribbed belt drives vocabulary
1986GB/T 6931.2-1986 Drives using V-belts and grooved pulleys--Terminology