Three Roller Chock
- Dawson Group Ltd. - China Manufacturer, Supplier, Factory, Exporter
The definition and the material chock
Chock :guide cable clamp fairlead. In order to change the direction of the cable and reduce friction between the hull and cable. Fairleader roller and belt roller divided into two categories, no roller chock according to its opening types can be divided into vertical and oblique type two; roller chock with one to three drum, sometimes with more than three. Chock made of cast iron or cast steel, usually installed on the deck of a ship deck and bulwark top.
unit: mm
| Diameter of Wheel | Max Diameter of Tightwire | Circumference of Rope | L | B | H | h | r | A | A1 | A2 | A3 | A4 | d | Screw NO. | Weight(kg) | |||
| Cast iron | Cast steel | Cast iron | Cast steel | Cast iron | Cast steel | |||||||||||||
| 150 | 20.6 | 225 | 1520 | 280 | 250 | 235 | 55 | 40 | 45 | 420 | 1430 | 480 | 190 | 33 | 8 | 288 | 266 | |
| 170 | 30.5 | 250 | 1660 | 310 | 273 | 260 | 58 | 45 | 45 | 460 | 1570 | 550 | 220 | 33 | 8 | 361 | 352 | |
| 185 | 33.5 | 275 | 1880 | 340 | 285 | 270 | 60 | 45 | 50 | 500 | 1700 | 420 | 240 | 1250 | 33 | 12 | 454 | 435 |
| 200 | 37.5 | 300 | 1930 | 360 | 295 | 280 | 65 | 50 | 50 | 530 | 1830 | 530 | 260 | 1330 | 33 | 12 | 568 | 522 |
| 230 | 43.5 | 325 | 2170 | 400 | 320 | 305 | 65 | 50 | 50 | 590 | 2070 | 560 | 300 | 1480 | 33 | 12 | 804 | 760 |
| 250 | 48.5 | 350 | 2340 | 420 | 340 | 325 | 70 | 55 | 55 | 640 | 2230 | 640 | 310 | 1640 | 39 | 12 | 1049 | 1051 |
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