文档介绍：2005. 05. 09.
Kumho Tire R&D Center
轮胎的一般介绍 （轿车，箱式轿车用）
I. TIRE 一般理解
II. PCR TIRE 构造理解
III. 新车用TIRE 开发
EXTRA LOAD (XL)
Reinforced (metric)
Speed symbol
Load Index
Rim diameter code
Construction code
Nominal Aspec ratio
Nominal section width
Passenger car tires
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规格标记
195 / 70 R 15 C 8 PR
Ply rating
Commercial tire
Rim diameter code
Construction code
Nominal Aspec ratio
Nominal section width
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规格标记
31 X R 15 LT C
Load Range
Light Truck Tire
Rim diameter code
Construction code
Section width in inches
Overall Diameter in inches
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LI & SS
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Sidewall Marking
●Marking 项目 : Brand, 规格, 使用条件, 构造, Tube 形式, DOT code,
认证事项, 用途, Safety warning etc.
构造
(PLIES)
TREAD : STEEL 2 + POLYESTER 1 + NYLON 1
SIDEWALL : POLYESTER 1 PLY
Steel Belt 2张
Belt 补强 Ply 1张
Carcass 1张
使用条件
(负荷/气压)
MAX. LOAD 1477 LBS (670kg) AT
44 PSI (300 KPA) MAX. PRESS.
负荷能力 及
취부 气压
例) 205/65R15 94V TIRE
DOT code
DOT YOXX XXXX 0100
( YO=制造工厂)
( 0100 : 制造周期 / 2000年 1周)
用10~12位
标记
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Sidewall Marking
Uniform Tire Quality Grading Standards
- Treadwear: Typical Range 60 to 620, 20 Point Increments
The Higher the grade, The longer the tread life
- Traction: Straight wet braking performance
Grade A to C assigned, A signifying the best traction
- Temperature: Ability to withstand heat under test conditions
Assigned AA,A to C, AA the most resistance to heat
DOT H2 MU Y A N 2204
04年22周
Pattern
TYPE区分
235/40R18
PLANT
Department of Transportation
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参考) 취부 气压 与 LOAD INDEX
使用气压 以及负荷标记 按照 FMVSS-109
: Cold inflation pressure may be increased above those applicable to
the tire loads up to the maximum marked on the tire with no increase in load.
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참조) TIRE SERVICE CONDITIONS ; LOAD vs PRESSURE
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Aspect Ratio
(扁平率)
70 Series
60 Series
50 Series
40 Series
SH
SW
X 100 = 00 Series
SH
SW
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规定及认证
3. 关于国内外认证
. (the Tir