What is the function of the crane's load moment indicator?

The load moment indicator is a crucial safety feature on cranes designed to ensure safe operation by monitoring the load's weight and the boom angle. By continuously assessing these factors, the load moment indicator calculates the moment or force exerted by the load relative to the crane's capabilities. This is essential because exceeding the crane's rated load moment can lead to tipping or structural failure, posing a severe safety risk. As such, the indicator provides real-time feedback, alerting operators if they are nearing or exceeding safe operational limits. This helps to prevent overload conditions and ensures that the crane operates within its designed parameters, promoting both safety and efficiency on the job site.