The key performance indicators that define the core functionality of a lifting tool are its lifting capacity and operational level. Lifting capacity refers to the maximum weight that can be safely lifted under specified conditions, also known as the rated load. For devices like permanent magnet chucks, the total weight includes both the object being lifted and the chuck itself. Operational level, on the other hand, is a broader measure that reflects the overall working conditions and is crucial for selecting and designing the right lifting equipment. It is determined by factors such as the number of work cycles and the load intensity the tool is expected to handle over its service life.
For lifting tools used in repetitive and structured tasks—such as electric hoists in port operations, chain hoists in warehouses, or hopper elevators in blast furnaces—the work cycle becomes a critical parameter. The duty cycle represents the time required to complete one full operation, which depends on the speed of the system and the distance involved. In many cases, productivity is also an essential metric, often measured by the amount of material lifted per hour. Today, efficiency is the top priority, followed closely by aesthetics and build quality, as users seek reliable and user-friendly solutions in their daily operations.
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