Narrow V-belt
Characteristics
Narrow V-belt offer high transverse stiffness and a transmission power 50-100% higher than classical V-belt. The transmission limiting velocity reaches 40 m/s and the transmission efficiency over 95%.
Type, cross-section dimension and length of the belt
Type | Cross-section dimension | Inner circle circumference | Edge-cutting
type |
Nodal circle circumference | |||
Cloth-wrapped Type/ Edge-cut Type | Cross-section | bxh(mm) | b | Shielding cloth type | |||
SPZ/XP(Z) | 10×8 | 40 | 750~1800(mm) | 30”~71” | 630-3251
25″~128″ |
LP=Lj+37 | |
SPA/XPA | 13×10 | 40 | 1000-5080 | 39″~200″ | LP=Lj+45 | ||
SPB/XPB | 17×13 | 40 | 1000-15000 | 39” ~590″ | LP=Lj+62 | ||
SPC/XPC | 22×18 | 40 | 1400-16000 | 39”~630″ | LP=Lj+75 | ||
3V/9N/3VX | 9.5×8 | 40 | 750-800 | 30”~71” | LP=Lj+46 | ||
5V/15N/5VX | 16×13.5 | 40 | 1000-1500 | 39”~590″ | LP=Lj+60 | ||
8V/25N | 25.4×23 | 40 | 2540-16000 | 100.、590″ | LP=Lj+106 |
Main technical parameters
Type of belt ””cross-section
Item |
SPZ | SPA | SPB | SPC | 9N(3V) | 15N(5V) | 25N(8V) |
Elongation resistance over total ross-section per piece(kn) | ≥ 2.45 | ≥ 2.94 | ≥5.39 | ≥ 9.807 | ≥2.45 | ≥ 5.39 | ≥12.75 |
Anti-pullout strength of threads and ropes(kn/m) | ≥12 | ≥ 12 | ≥22 | ≥ 22 | ≥ 12 | ≥22 | ≥22 |
Elongation under fixed load(%) | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 |
Emerged height of the belt above pulley(mm) | 士 0.8 | 士 1.3 —0.6 | 士 11.4
—0.7 |
士 1.5 —1.0 | 士 2.5 | 士 3 | 士 4.5 |
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