Professional design and customized hinge.
Laptop hinge Test:
1. 20000~25000 cycles open / close from almost 0 to 180 degrees in angle
2. The LCD pacd at 10, 45,135 degrees,
3. Torque Value during test: +-15%
4. The hinge toque needs to be measured every 5k cycles.
5. pairs of H&H, L&L, H&L, L&H, and M&M need verify for hinge test. open=2s, hold open=3s, and so on.