Yeah! (D X 8), where, D= Diameter!
1.6 ton The answer would be 40T, 1.6T is the WLL or SWL of an 8T nominal breaking strength rope.
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TO CALCULATE THE SWL OF LIFTING WIRE ROPE THE FORMULAE CAN BE USED- 8*D2 WHERE 'D' IS THE DIAMETER OF WIRE ROPE IN 'mm' THIS WILL GIVE THE APPROX SWL (SAFE WORKING LOAD CAPACITY)
1.6 ton The answer would be 40T, 1.6T is the WLL or SWL of an 8T nominal breaking strength rope.
1.4-ton
Flexible steel wire rope (FSWR) To calculate the SWL in kilograms of FSWR square the rope diameter (D) in millimetres (mm) and multiply by 8. Formula: SWL (kg) = D2(mm) x 8 For example: Rope dia (D) = 12 mm SWL(kg) =D2 (mm)x8 = D (mm) x D (mm) x 8 = 12 x 12 x 8 = 1152 kg SWL (t) = 1.15 tonnes The above equation can be reversed to calculate the diameter (D) in millimetres of FSWR needed to lift a given load. To do this, divide the load (L) in kilograms by 8 and find the square root of the result. Formula: D(mm) = √L(kg) 8 For example: Load = 1152 kg D (mm) = √1152 ÷ 8 = √144 = 12 (mm) Therefore a FSWR sling of at least 12 mm in diameter is required to lift a 1152 kg load for a straight lift.
The SWL stands for - Safe Working Load
SWL means Safe Working Load
The initials SWL mean Safe Working Load
Cranes typically are designed with a FoS (Factor of Safety) of 5x the MBL (Minimum Breaking Load). So if the weakest part of the structure failed (e.g. in tension, compression or shear) at e.g. 100kN (10 metric tons), then the swl would be 10t / 5 = 2 tons
SWL = Ultimate (Breaking) Strength/Design (Safety) Factor Usually the safety factor used in lifting equipment is 5:1. Example: If you are using a 0.5" Improved Plow Wire Rope the ultimate strength is 11.5 tons. SWL = 11.5/5 = 2.3 tons The safety factor should go higher if there is possibility of injury or death. Example: Elevators use a 20:1 safety factor.
Sean Walter Lopez
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Ask a mechanical engineer. People's lives often depend on the answer and some random guy on the internet that isn't bonded, licensed, or hasn't even graduated high school could provide you with an answer indistinguishable from a real equation.