Kruipversnelling

Kruipversnelling, often translated as creep acceleration or creep speed, refers to a phenomenon observed in certain mechanical systems, particularly those involving gears or friction drives. It describes an unintended and often gradual increase in speed or rotational velocity that occurs under specific operating conditions, even when the input drive is held constant. This acceleration is not due to a sudden mechanical failure or a deliberate change in input power but rather an emergent behavior of the system's components.

The underlying cause of kruipversnelling can be complex and is often related to micro-slippage between contacting surfaces. In gear systems, for instance, slight imperfections, wear, or lubrication issues can lead to a minute, recurring slip and subsequent re-engagement. Over time, these tiny slips can accumulate, resulting in a net increase in the output speed. Similarly, in friction drives, variations in friction coefficients due to temperature, load, or surface contamination can induce this creeping acceleration.

While the term might suggest a rapid change, kruipversnelling is typically a slow, incremental process. It can be problematic in applications requiring precise speed control, as it can lead to deviations from desired operating parameters. Identifying and mitigating kruipversnelling often involves detailed analysis of the system's dynamics, material properties, and operating environment, followed by adjustments to design, materials, or maintenance procedures.