| Customization: | Available |
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| Material: | Alloy |
| Structure: | Roller Chain |
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Overloaded curved plate drive chain is a special transmission chain designed specifically for high-load and high-impact working conditions. Its core feature lies in the combination structure of arc-shaped curved chain plates and thickened pins, which improves the carrying capacity by optimizing the mechanical distribution. Typical structures include:
• Curved plate design: The chain plates are bent in an "S" or "C" shape to disperse stress concentration and increase the transverse impact resistance by 30% to 50%.
• Strengthened joints: The pin diameter is increased by 20% to 40% compared to the standard chain, and combined with hardened bushings (HRC 58-62) to reduce the wear rate.
• Multi-row parallel arrangement: Commonly, double-row, three-row or even four-row chain plates are arranged in parallel. The tensile strength of a single chain can reach 2000 to 5000 kN.
| SFR | Pitch | Roller diameter | Width between inner plates |
Pin diameter |
Pin length | Plate depth | Plate thickness |
Ultimate tensile strength | Average tensile strength | Weight per meter |
| SFR Chain No. | P | m(d)a(1)x | m(b)in(1) | m(d)a(2)x | L max | m(h)a(2)x | T max | Q min | Q0 | q |
| mm | mm | mm | mm | mm | mm | mm | kN/lbf | kN | kg/m | |
| 2010 | 63.50 | 31.75 | 38.10 | 15.90 | 89.0 | 47.80 | 7.9 | 250.00/56818 | 275.0 | 13.53 |
| 2512 | 77.90 | 41.28 | 39.60 | 19.05 | 100.0 | 57.00 | 9.7 | 340.00/77272 | 367.2 | 18.40 |
| 3214 | 103.200 | 44.45 | 48.00 | 22.00 | 123.50 | 55.00 | 13.0 | 476.0/108180 | 514.0 | 23.60 |
| 3315 | 103.450 | 45.24 | 49.30 | 23.85 | 130.00 | 63.50 | 14.2 | 550.0/125000 | 594.0 | 27.71 |
| 3618 | 114.300 | 57.15 | 52.30 | 27.97 | 138.00 | 79.20 | 14.2 | 760.0/172727 | 820.8 | 41.20 |
| 4020 | 127.000 | 63.50 | 69.90 | 31.78 | 165.7 | 88.90 | 15.7 | 987.0/224300 | 1069.2 | 48.60 |
| RO1205 | 127.000 | 63.50 | 65.00 | 31.75 | 147.6 | 82.50 | 14.2 | 872.0/198177 | 955.0 | 42.93 |
| 2184 | 152.400 | 76.20 | 35.00 | 22.20 | 96.0 | 51.00 | 9.5 | 330.0/75000 | 378.0 | 18.17 |
| 4824 | 152.400 | 76.20 | 74.60 | 38.10 | 186.0 | 100.00 | 20.0 | 1600.0/363632 | 1700.0 | 69.80 |
| 6060 | 152.400 | 88.90 | 101.00 | 47.63 | 228.7 | 114.30 | 22.0 | 1700.0/386359 | 1955.0 | 97.59 |
| 5628 | 177.800 | 88.90 | 82.60 | 44.45 | 210.0 | 133.00 | 22.0 | 1890.0/429540 | 2173.0 | 99.50 |
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