Lastumfang

Lastumfang is a term used in engineering to describe the range of loads that a machine, structure, or system is designed to handle safely. It defines the load envelope within which operation is permitted under specified conditions, without exceeding material limits or compromising stability. The concept is especially relevant for load-bearing equipment such as cranes, lifting devices, mechanical arms, and other systems where weight distribution and orientation influence performance.

A Lastumfang typically comprises static and dynamic limits, load distribution on attachment points, and the effect of load position and direction on stresses and stability. It is determined through structural analysis, safety factors, and tests, and is often presented as charts or tables showing the maximum permissible payload for different configurations, radii, heights, or angles. Key considerations include the center of gravity, acceleration and deceleration forces, vibrations, impact loads, and environmental conditions.

Applications and scope vary by discipline. In cranes, the Lastumfang defines the safe operating envelope, specifying how much can be lifted at various outreach distances. In robotics and automated systems, it defines the feasible payload range that maintains controllability and safety. In aerospace and other high-performance fields, it relates to payload limits relative to overall system performance and stability.

Standards and safety: Lastumfang is subject to applicable engineering standards and manufacturer specifications, often referenced in DIN, ISO, or other regulatory frameworks. Clear documentation of the Lastumfang supports risk assessment, maintenance planning, and safe operation.