Shock Loading

Definition - What does Shock Loading mean?

Shock Loading, also known as hammering effect, refers to the sudden and drastic increase of load in a system. The most common occurrence is when a load is dropped onto the ball transfer units from a height or when ball units travel over an uneven surface causing uneven distribution of load. In these instances although the load itself may be within the load bearing capabilities of the ball units, the forces that are generated can momentarily increase the load beyond the ratings.

Petropedia explains Shock Loading

There are variety of stresses that can be added unexpectedly into any rigging system. If these stresses are within the elastic limits of the wire rope, the system is still usable. On the other hand if the stresses exceed the elastic limit, the system may not immediately fail, but the wire rope will be overstressed and must be replaced so as to prevent accidents. All wire ropes are designed and manufactured to a specific minimum breaking strength. This breaking strength is the load at which a tensile failure occurs in a test sample. The elastic limit of the material is usually between 55% to 65% of the breaking strength.

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