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Available: neoprene (CR) and hydrogenated butadiene (HNBR)
Technical parameters of automotive timing belt

Car timing belt

model Pitch length Tooth height Band thickness model Pitch length Tooth height Band thickness
R (MR) 9.525 3.54 5.69 ZR 9.525 3.20 5.40>
Y (MY) 8 3.11 5.21 ZAS 9.525 2.32 4.62
ZBS 9.525 2.80 5.10 ZB 9.525 2.29 4.50
YU 8 3.109 5.20 RHD 9.525 3.50 5.70
RU 9.525 3.56 5.70 RHX 9.525 2.617 4.80
ZA 9.525 1.91 4.10 RPP 9.525 2.25 4.50
FS8M 8 3.05 5.30 SL 9.525 3.40 5.50
ZD 9.525 3.50 5.50     


Existing mold table for automotive synchronous belt (data in the table is adjusted monthly)

model

Number of teeth

R (MR)
70 78 89 92 94 96 97 101 102 103 104 105 106 107 108 109 110 111 113 117 123 124 125 127 129 130 133 134 136 148 149 153 157 158 177
Y (MY)
99 100 101 103 106 107 111 112 117 113 121 123 124 127 128 129 131 137 142 143 144 145 146 159 169 177 178 191 211
ZBS
55 65 69 76 83 87 91 92 101 112 117 119 120 122 123 134 136 137 141 143 149 163
YU
65 76 83 99 100 101 103 104 106 107 109 110 111 112 113 117 121 123 133 135 140 142 145 146 147 153 154 156 159 164 165 168 177 187 193 193 195 207 210 211 226 228 251 257 259 265 265 281
RU
59 70 76 79 83 85 89 91 92 93 95 97 98 101 103 104 105 106 107 108 109 110 111 112 113 116 117 118 122 123 124 125 126 127 130 133 136 145 149 151 152 153 154 158 163 176
ZA
54 55 63 69 76 83 84 87 88 89 90 91 92 94 95 98 102 103 104 106 108 109 111 115 116 117 120 121 122 123 124 126 127 133 139 142
S8M
65 66 70 73 75 79 80 82 85 89 90 91 95 100 103 105 106 109 110 112 118 120 122 123 125 129 130 132 137 138 140 141 142 144 145 146 148 149 150 151 152 156 160 162 163 164 165 168 169 170 171 173 175 179 180 191 192 200 206 209 210 212 216 220 225 239 250 250 253
The company also produces synchronous belt products such as R (MR) Y (MY) RU YU ZA ZB ZC ZD ZAS RHD SHX SRP.

    • Raw materials for automobile timing belt: Japan imported high-quality synthetic neoprene (or hydrogenated nitrile rubber) as the main raw material, mixed with a variety of auxiliary materials; the skeleton material is high-quality glass fiber rope imported from Japan; nylon 66 High-stretch fabrics are protected and made in strict accordance with technical specifications. With neat appearance, full tooth shape, long service life, low noise and so on.

    • Automotive timing belt characteristics
    Neoprene timing belt:
    Good heat resistance-can be used for a long time in the working environment of 120 ℃ and below;
    Good aging resistance-especially excellent ozone resistance;
    Good chemical stability: In addition to strong oxidizing acids, it is resistant to general chemicals;
    Good fire and water resistance;
    Hydrogenated nitrile rubber belt:
    Excellent oil resistance-with very low oil resistance and higher oil resistance;
    Good durability—Dynamic performance is better than neoprene timing belt, and it is the preferred transmission belt for mid-to-high-end cars;
    Excellent abrasion resistance-less wear than the neoprene timing belt, reducing noise and effectively extending the life of the timing belt;

    • Application of hydrogenated nitrile rubber in automotive timing belt:
    Due to the increasingly high requirements for energy saving, environmental protection, comfort, and safety of modern automobiles, the entire engine room has a complex and compact structure, and the temperature during operation is high. The rubber parts therein should have high temperature resistance. With the improvement of engine lubrication technology, new additives are used in the lubricating oil, so higher requirements are placed on the oil resistance of rubber parts in the engine. On the other hand, the longer the maintenance period, the higher the requirements for the durability of rubber parts. Modern automobiles require rubber parts to be capable of operating at -40 ° C to + 150 ° C under certain oil-resistant conditions. Transmission belts are important rubber parts for automobiles, including timing belts for OHC engines, which are timing belts, automotive V-belts and poly-wedges for auxiliary transmission Belts, and recently developed variable speed belts for continuously variable transmissions (CTVs). Since the publication of the first HNBR patent in 1975, HNBR has gradually developed into the standard elastomer material of choice for today's automotive timing belt production in the world.
     

    • Specific requirements for timing belts of modern automobiles:
    The durability is increased by more than 1.5 times; the bandwidth is reduced by 20%; Timing belt is a composite body composed of rubber, fiber tensile body (glass fiber or aramid) and nylon tooth cloth. HNBR's timing belts have much better fatigue life and water resistance than timing belts made of neoprene and chlorosulfonated polyethylene.


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Phone: 4006-574-123 / 0574-27834692 Fax: 0574-27834691
Address: No. 29, Lane 39, Zhongxing Road, Yinzhou District, Ningbo E-Mail: sales@belt-pulley.com
Zhejiang ICP No. 09102982 Gage Company Network Department provides technical support
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