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2L, 3L, 4L, 5L
PIONWAY
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Product Description
1 Low-stretch tension member, specifically rubber
compound for ageing resistance
2 High flexibility and low flex fatigue
3 Wear resistant longer lasting
4 Minimal belt stretch
5 Smooth running without loud noise.
Table 1
Main indicators
2L | 3L/Z | 4L/A | 5L/B | |
Upper width (mm) | 6.35 | 9.5 | 12.7 | 16.5 |
Belt height (mm) | 3.2 | 5.5 | 8 | 9.5 |
Pitch width (mm) | 5 | 8.5 | 11 | 14 |
Outer length (mm) | La=Li+20 | La=Li+35 | La=Li+50 | La=Li+60 |
Pitch length (mm) | Lw=La-5 | Lw=La-10 | Lw=La-17 | Lw=La-17 |
Inside Length (mm) | Li=Lw-15 | Li=Lw-25 | Li=Lw-33 | Li=Lw-43 |
Angle | 40° | 40° | 40° | 40° |
Weight (kgs) | 0.04 | 0.07 | 0.11 | 0.18 |
3LK | 4LK | 5LK | |
Upper width (mm) | 9.5 | 12.7 | 16.5 |
Belt height (mm) | 5.5 | 8 | 9.5 |
Pitch width (mm) | 8.5 | 11 | 14 |
Outer length (mm) | La=Li+35 | La=Li+50 | La=Li+60 |
Pitch length (mm) | Lw=La-10 | Lw=La-17 | Lw=La-17 |
Inside Length (mm) | Li=Lw-25 | Li=Lw-33 | Li=Lw-43 |
Angle | 40° | 40° | 40° |
Weight (kgs) | 0.07 | 0.11 | 0.18 |
Table 2
Construction | Functions | Materials | Features |
❶ Cover fabric | Protects the inner parts of the belt | Cotton fabric, Polyester, | 1.Treated with highly oil and heat resistant 2.Engineered synthetic rubber 3.Specifically compounded for superior wear resistance 4.Durable and dependable |
❷ Tension member | Primary material for transferring power | Polyester, Aramid | 1.Specially manufactured with twisted，heat and chemically set 2.Good Dimensional stability |
❸ Top compression rubber | Maintains belt shape (upper) | NR, CR | Excellent bonding to the outside fabric and tensile cords |
❹ Adhesive rubber | Supports and protects tension member adhesion | NR, CR | Excellent bonding to the outside fabric and tensile cords |
❺ Bottom compression rubber | Maintains belt shape (lower) | NR, CR | 1.Highly engineered synthetic rubber compound |
NR : Natural Rubber / CR : Chloroprene Rubber
