Tyre - Vocabulary
1 Scope
This document specifies the vocabulary related to tyre for industrial purpose, and covers terms and definitions related to tyre classification, components of tyre, tread pattern, rim, tyre dimension, tyre performance and its test, tyre marking, appearance defects of tyre, and type service, as well as tyre retread and repair.
This document is applicable to passenger car tyre, light truck tyre, truck tyre, earth-mover tyre, agricultural tyre, industrial tyre, motorcycle tyre, electric bicycle tyre, cycle tyre and aircraft tyre.
2 Normative references
No normative reference is listed in this document.
3 General terms
3.1
tyre
ring-shaped elastic product that is mounted on a vehicle wheel or machine wheel
3.2
new tyre
tyre that has been neither used nor subjected to a retreading operation
3.3
grown tyre
tyre that has undergone expansion due to use in service
3.4
pneumatic tyre
tyre that needs the compressed gas or liquid in the inner cavity and is capable of keeping the pressure
Note: It is divided into tube tyre and tubeless tyre.
3.5
solid tyre
tyre that has the materials of different performances filled in the carcass and is not equipped with inner cavity
3.6
tubeless tyre
pneumatic tyre that does not need to be fitted with an inner tube
3.7
tube tyre
pneumatic tyre that needs to be fitted with an inner tube in the inner cavity of the cover
Note: It usually includes the cover, inner tube and cushion belt.
3.8
cover
outer shell of a tyre, capable of bearing various acting forces
4 Tyre classification
4.1 Classification by function
4.1.1
normal tyre
tyre designed for normal use
4.1.2
special use tyre
tyre designed to be used primarily off-road, to be used in a mixture of ordinary road and off-road, or to be used under other special conditions
Note: The marking of this type of tyres includes MPT (multi-purpose truck), ML (mining and logging), ET (extra tread), POR (professional off-road), MT (mud-terrain), RT (rugged-terrain), AT (all-terrain), etc.
4.1.3
traction tyre
tyre designed to be used primarily on a vehicle's drive wheels, which maximizes the transfer of the vehicle's power
Foreword i
1 Scope
2 Normative references
3 General terms
4 Tyre classification
5 Components of tyres
6 Thread pattern of tyres
7 Rim
8 Tyre dimension
9 Tyre performance and its test
10 Tyre marking
11 Appearance defects of tyres
12 Tyre service
13 Retread and repair of tyres
Annex A (Informative) Nominal diameter of tyres
Annex B (Informative) Corresponding relation between speed symbol and speed capability
Annex C (Informative) Corresponding relationship between load index and load capacity
Index
Tyre - Vocabulary
1 Scope
This document specifies the vocabulary related to tyre for industrial purpose, and covers terms and definitions related to tyre classification, components of tyre, tread pattern, rim, tyre dimension, tyre performance and its test, tyre marking, appearance defects of tyre, and type service, as well as tyre retread and repair.
This document is applicable to passenger car tyre, light truck tyre, truck tyre, earth-mover tyre, agricultural tyre, industrial tyre, motorcycle tyre, electric bicycle tyre, cycle tyre and aircraft tyre.
2 Normative references
No normative reference is listed in this document.
3 General terms
3.1
tyre
ring-shaped elastic product that is mounted on a vehicle wheel or machine wheel
3.2
new tyre
tyre that has been neither used nor subjected to a retreading operation
3.3
grown tyre
tyre that has undergone expansion due to use in service
3.4
pneumatic tyre
tyre that needs the compressed gas or liquid in the inner cavity and is capable of keeping the pressure
Note: It is divided into tube tyre and tubeless tyre.
3.5
solid tyre
tyre that has the materials of different performances filled in the carcass and is not equipped with inner cavity
3.6
tubeless tyre
pneumatic tyre that does not need to be fitted with an inner tube
3.7
tube tyre
pneumatic tyre that needs to be fitted with an inner tube in the inner cavity of the cover
Note: It usually includes the cover, inner tube and cushion belt.
3.8
cover
outer shell of a tyre, capable of bearing various acting forces
4 Tyre classification
4.1 Classification by function
4.1.1
normal tyre
tyre designed for normal use
4.1.2
special use tyre
tyre designed to be used primarily off-road, to be used in a mixture of ordinary road and off-road, or to be used under other special conditions
Note: The marking of this type of tyres includes MPT (multi-purpose truck), ML (mining and logging), ET (extra tread), POR (professional off-road), MT (mud-terrain), RT (rugged-terrain), AT (all-terrain), etc.
4.1.3
traction tyre
tyre designed to be used primarily on a vehicle's drive wheels, which maximizes the transfer of the vehicle's power
Contents of GB/T 6326-2023
Foreword i
1 Scope
2 Normative references
3 General terms
4 Tyre classification
5 Components of tyres
6 Thread pattern of tyres
7 Rim
8 Tyre dimension
9 Tyre performance and its test
10 Tyre marking
11 Appearance defects of tyres
12 Tyre service
13 Retread and repair of tyres
Annex A (Informative) Nominal diameter of tyres
Annex B (Informative) Corresponding relation between speed symbol and speed capability
Annex C (Informative) Corresponding relationship between load index and load capacity
Index
