Load Cycle Types

Load Cycles Types consider the change in amount of load, and if the load direction changes. Most manufacturers classify load cycles into the following 3 types, and use different load factors for each load type.

 

Load Cycle Type Description Load Scenario
1. Uniform Permanent Duty Continuous load, always in same direction A
2. Cyclic Duty Changing load, sometimes no load, always in same direction B & C
3. Cyclic Duty Reversing Changing load, sometimes no load, changing direction D & E

 

Load Scenarios

Type Description
A Continuous load, always in same direction
B Changing load, always in same direction
C Changing load, sometimes no load, always in same direction
D Changing load, changing direction
E Changing load, sometimes no load, changing direction

 

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