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2. Lifting equipment - Wikipedia

   en.wikipedia.org/wiki/Lifting_equipment

   Lifting equipment can be assigned a Working Load Limit (WLL) in the interests of avoiding failure; Working Load Limit is calculated by dividing the Minimum Breaking Load of the equipment by a safety factor. [5] WLL as a concept is not restricted to lifting, being also relevant for mooring ropes. [6]

3. Working load limit - Wikipedia

   en.wikipedia.org/wiki/Minimum_breaking_strength

   An example of this would be a chain that has a MBL of 2000 lbf (8.89 kN) would have a SWL or WLL of 400 lbf (1.78 kN) if a safety factor of 5 (5:1, 5 to 1, or 1/5) is used. The current American standard for lifting and handling devices is Reference (1), which provides minimum structural and mechanical design and electrical component selection ...

4. Design load - Wikipedia

   en.wikipedia.org/wiki/Design_load

   A crane's rated load is its Safe Working Load (SWL) and the design load (DL) is, (p 90) [1] = The dynamic lift factor for offshore cranes in the range 10 kN < SWL ≤ 2500 kN is not less than =.(p 84) [1] Thus for a crane with a SWL of 2000 kN (~200 tonne) its design load is not less than, = = The minimum breaking load (MBL) for the combined capacity of reeves of a steel wire hoisting rope ...

5. Safe Load Indicator - Wikipedia

   en.wikipedia.org/wiki/Safe_Load_Indicator

   A Safe Load Indicator (SLI) or an Automatic Safe Load Indicator (ASLI) is a device which is installed on mobile or portal cranes to alert the operator if the lift is exceeding the safe operating range of the machinery. [1] In some cases, the device will physically lock the machinery in circumstances it determines to be unsafe.

6. Crane (machine) - Wikipedia

   en.wikipedia.org/wiki/Crane_(machine)

   is the working load, is the acceleration of gravity, is the maximum lifted mass, which is also called the crane working load limit (WLL) or safe working load (SWL), and is the mass of lifting appliances or parts of the crane that move with the lifted mass.

7. Rigging (material handling) - Wikipedia

   en.wikipedia.org/wiki/Rigging_(material_handling)

   Link (chain) – Basic component of a chain; Pry bar – Type of lever tool; Rope – Length of braided strands; Shackle – Metal assembly which functions as a removable connecting link; Sheave – Grooved wheel used to support a moving belt, wire or rope; Sheer legs; Sling (rigging) – Rope, webbing, wire or chain used to support a load for ...

8. Chain - Wikipedia

   en.wikipedia.org/wiki/Chain

   A common metal short-link chain Roller chains. A chain is a serial assembly of connected pieces, called links, typically made of metal, with an overall character similar to that of a rope in that it is flexible and curved in compression but linear, rigid, and load-bearing in tension. A chain may consist of two or more links.

9. High-tensile chain - Wikipedia

   en.wikipedia.org/wiki/High-tensile_chain

   When chains are used to restrain loads on a vehicle a load binder is used to tighten the chain. Standards development organizations such as the American Society of Mechanical Engineers provide Standards for the additional information on these chains. ASME B29.24 deals specifically with roller chains intended for hoisting duty.