钢帘线发展趋势
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Retreadibility 可翻性
USA Market
Medium and Heavy Truck Tires
美国市场中型及重型卡车胎翻修率
%Retreads
70
59.0
60
54.1
50
40
30
20
10
0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
40
50
பைடு நூலகம்35
40
30
25
30
20
20
15
10
10
5
0
0
Avg. miles received
Avg. price*
* Average price adjusted for inflation - Base Yr 82-84=100
USA Market
Why Radials ? 为何用子午胎？
Lower tire cost 轮胎成本更低
2+2X0.25
2+2X0.25 HT
2+7X0.22+1
2+7X0.26 HT
• Nx1 type cords allowing rubber penetration gained popularity in recent years over m+n types 近年来渗胶良好的 NX1型帘线较M+N型更为普及
Why Radials ? 为何用子午胎？ Fuel Economy 燃油经济性
• Radial tires and especially steel reinforced radials have lower Rolling Resistance leading to better fuel economy.Lower aspect ratio helps further. 子午胎尤其是钢帘线增强的子午胎因其滚动阻力较小而具有较佳的燃油经济性。小的高宽比对此 有进一步的贡献。
Past ( 1980-1990 )
Recent ( 1995-2001 )
PCR
BELT
3X7X0.15
2X0.30 HT
5X0.25
5X0.23 HT O.C.(sp.)
5X0.23 O.C.
3X0.30 HT O.C.(sp.)
0.15+4X0.25
3X0.28/0.30 HT Betru ®
• HT types became almost an industry standard. 高强度几乎成为行业标准
Bekaert Developments 贝卡尔特新品开发
Belt Constructions- Passenger Tires 乘用胎带束层
nx1 Type Betru Cords: NX1 型贝特鲁帘线
• Radial Truck and bus tires get ,in the average, more than one retreads in USA. As a result ,
55-60% of all tires are retreaded ones. 在美国，子午卡车胎及公共汽车胎平均翻修一次以
Steel Cord Construction Trends and the Developments in Bekaert
钢帘线结构市场趋势及贝卡尔特的新产品开发
Contents 内容
• Why Steel Cord Reinforced Radial Tires ? 为何选用钢帘线增强子午胎？
Service Life/Unit tire cost (km/cent) 公里/美分
230 150.000
n/a n/a 230 150.000
6.5
Radial Tire 子午 11 R 22.5
300 250.000
100 200.000
400 450.000
11.0
Why Radials? 为何用子午胎？
Bias Tire 斜胶 10.00-20
Tire Price (USD) 售价 1.Life Service (km) 里程 Recapping cost(USD) 翻修成本 2.Life Service (km) 里程 Total Tire Cost (USD) 总成本 Total Service (km) 总里程
• It improves rubber penetration without excessive increase of diameter and cord elongation at low loads(LLE). 较传统帘线它改善了渗胶性能而并未很大程度地增大帘线 直径及低载荷延伸
• Steel Cord Construction Trends and Bekaert Developments 钢帘线结构市场趋势及贝卡尔特的新品开发
- Belts of Passenger Tires 乘用胎带束层 - Belts of Light / Small truck Tires 轻型/小型卡车胎带束层 - Belts of Medium/Heavy Truck Tires 中型/重型卡车胎带束层
- Carcasses of Truck Tires 卡车胎胎体
Why Radials ? 为何用子午胎？
Endurance 耐久性
• Radial tires run much cooler under all conditions (high speeds , high loads) and show higher durability compared to bias tires. 子午胎在所有的条件下（高速，重载）服役温度更低，因而较斜胶胎具有更好的耐久性
Avg price (inflation adjusted)
Why Radials ? 为何用子午胎？
Value for the Money 花钱值不值
Increasing average mileage vs. decreasing price 子午胎平均里程不断上升而价格不断下降
70
50
60
45
上。因而在所有正在使用的轮胎中大约有55-60%被翻修一次。
Steel Cord Construction Trends
钢帘线结构趋势
Belts of Passenger Tires 乘用胎带束层
From Tires in N.America/Europe Markets 北美 / 欧洲市场
S.Cord Constructions
USA Market
Medium and Heavy Truck Tires
美国市场中型及重型卡车胎翻修率
%Retreads
70
59.0
60
54.1
50
40
30
20
10
0 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
40
50
பைடு நூலகம்35
40
30
25
30
20
20
15
10
10
5
0
0
Avg. miles received
Avg. price*
* Average price adjusted for inflation - Base Yr 82-84=100
USA Market
Why Radials ? 为何用子午胎？
Lower tire cost 轮胎成本更低
2+2X0.25
2+2X0.25 HT
2+7X0.22+1
2+7X0.26 HT
• Nx1 type cords allowing rubber penetration gained popularity in recent years over m+n types 近年来渗胶良好的 NX1型帘线较M+N型更为普及
Why Radials ? 为何用子午胎？ Fuel Economy 燃油经济性
• Radial tires and especially steel reinforced radials have lower Rolling Resistance leading to better fuel economy.Lower aspect ratio helps further. 子午胎尤其是钢帘线增强的子午胎因其滚动阻力较小而具有较佳的燃油经济性。小的高宽比对此 有进一步的贡献。
Past ( 1980-1990 )
Recent ( 1995-2001 )
PCR
BELT
3X7X0.15
2X0.30 HT
5X0.25
5X0.23 HT O.C.(sp.)
5X0.23 O.C.
3X0.30 HT O.C.(sp.)
0.15+4X0.25
3X0.28/0.30 HT Betru ®
• HT types became almost an industry standard. 高强度几乎成为行业标准
Bekaert Developments 贝卡尔特新品开发
Belt Constructions- Passenger Tires 乘用胎带束层
nx1 Type Betru Cords: NX1 型贝特鲁帘线
• Radial Truck and bus tires get ,in the average, more than one retreads in USA. As a result ,
55-60% of all tires are retreaded ones. 在美国，子午卡车胎及公共汽车胎平均翻修一次以
Steel Cord Construction Trends and the Developments in Bekaert
钢帘线结构市场趋势及贝卡尔特的新产品开发
Contents 内容
• Why Steel Cord Reinforced Radial Tires ? 为何选用钢帘线增强子午胎？
Service Life/Unit tire cost (km/cent) 公里/美分
230 150.000
n/a n/a 230 150.000
6.5
Radial Tire 子午 11 R 22.5
300 250.000
100 200.000
400 450.000
11.0
Why Radials? 为何用子午胎？
Bias Tire 斜胶 10.00-20
Tire Price (USD) 售价 1.Life Service (km) 里程 Recapping cost(USD) 翻修成本 2.Life Service (km) 里程 Total Tire Cost (USD) 总成本 Total Service (km) 总里程
• It improves rubber penetration without excessive increase of diameter and cord elongation at low loads(LLE). 较传统帘线它改善了渗胶性能而并未很大程度地增大帘线 直径及低载荷延伸
• Steel Cord Construction Trends and Bekaert Developments 钢帘线结构市场趋势及贝卡尔特的新品开发
- Belts of Passenger Tires 乘用胎带束层 - Belts of Light / Small truck Tires 轻型/小型卡车胎带束层 - Belts of Medium/Heavy Truck Tires 中型/重型卡车胎带束层
- Carcasses of Truck Tires 卡车胎胎体
Why Radials ? 为何用子午胎？
Endurance 耐久性
• Radial tires run much cooler under all conditions (high speeds , high loads) and show higher durability compared to bias tires. 子午胎在所有的条件下（高速，重载）服役温度更低，因而较斜胶胎具有更好的耐久性
Avg price (inflation adjusted)
Why Radials ? 为何用子午胎？
Value for the Money 花钱值不值
Increasing average mileage vs. decreasing price 子午胎平均里程不断上升而价格不断下降
70
50
60
45
上。因而在所有正在使用的轮胎中大约有55-60%被翻修一次。
Steel Cord Construction Trends
钢帘线结构趋势
Belts of Passenger Tires 乘用胎带束层
From Tires in N.America/Europe Markets 北美 / 欧洲市场
S.Cord Constructions