What Does HL Stand For?

HL stands for Hinge Line

HL, or Hinge Line, refers to a specific linear feature or axis around which a mechanism, such as a door or a folding element, rotates or pivots. In engineering and design contexts, the Hinge Line is critical for determining the functional movement and alignment of components, ensuring efficiency and stability in mechanical operations. It plays a pivotal role in applications ranging from architectural design to machinery, where precise movement and positioning are essential.

Other Meanings for HL